only do e2e test on workflow_dispatch (#76)

* use runner tempdir

* fix tests etc

* feedback

* ran npm install before generating dist

.github/CODEOWNERS

@@ -0,0 +1,4 @@
+# Repository CODEOWNERS
+
+* @actions/actions-runtime
+* @ncalteen

.github/workflows/check-dist.yml

@@ -17,7 +17,6 @@ on:
 
 permissions:
   contents: read
-  packages: read
 
 jobs:
   check-dist:

.github/workflows/ci-e2e.yml

@@ -0,0 +1,60 @@
+name: E2E Test
+
+on:
+  workflow_dispatch:
+
+permissions: {}
+
+jobs:
+  e2e-test:
+    name: E2E Integration Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Send message to consumer to publish
+        id: send-message
+        run: |
+          echo "SHA: ${{ github.sha }}"
+          curl -s -L \
+            -X POST \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${{ secrets.PAT }}" \
+            -H "X-GitHub-Api-Version: 2022-11-28" \
+            https://api.github.com/repos/immutable-actions/test-publish-internal-ts-action/dispatches \
+            -d '{"event_type":"e2e-test","client_payload":{"unit":false,"integration":true,"sha":"${{ github.sha }}"}}'
+      - name: Wait for successful publish
+        id: wait-for-successful-publish
+        run: |
+          START_TIME="$SECONDS"
+          TIMESTAMP="$(date -u +"%Y-%m-%dT%H:%M:%SZ")"
+          while (( SECONDS - START_TIME < 60 )); do
+            echo "Polling for workflow created after $TIMESTAMP"
+            RESULT=$(curl -s -L -H "Accept: application/vnd.github+json" \
+                -H "Authorization: Bearer ${{ secrets.PAT }}" \
+                -H "X-GitHub-Api-Version: 2022-11-28" \
+                "https://api.github.com/repos/immutable-actions/test-publish-internal-ts-action/actions/runs?created=>$TIMESTAMP" \
+                | jq '.workflow_runs[] | select(.name=="Publish Actions Package" and (.display_title | contains("${{ github.sha }}"))) | .status, .conclusion')
+
+            # split the RESULT into an array
+            mapfile -t RESULT <<< "$RESULT"
+            STATUS=$(echo "${RESULT[0]}" | sed -e 's/^"//' -e 's/"$//')
+            CONCLUSION=$(echo "${RESULT[1]}" | sed -e 's/^"//' -e 's/"$//')
+            if [ -z "$STATUS" ]; then
+              echo "No workflow found yet"
+            else
+              echo "Workflow status: $STATUS"
+              echo "Workflow conclusion: $CONCLUSION"
+              if [ "$STATUS" = "completed" ]; then
+                if [ "$CONCLUSION" = "success" ]; then
+                  echo "workflow succeeded"
+                  exit 0
+                elif [ "$CONCLUSION" = "failure" ]; then
+                  echo "workflow failed"
+                  exit 1
+                fi
+              fi
+            fi
+
+            sleep 1
+          done
+          exit 2

.github/workflows/ci.yml

@@ -9,7 +9,6 @@ on:
 
 permissions:
   contents: read
-  packages: read
 
 jobs:
   test-typescript:
@@ -43,4 +42,4 @@ jobs:
       - name: Test
         id: npm-ci-test
         run: npm run ci-test
-
+        

.github/workflows/codeql-analysis.yml

@@ -12,16 +12,17 @@ on:
   # schedule:
   #   - cron: '31 7 * * 3'
 
-permissions:
-    actions: read
-    contents: read
-    security-events: write
-
 jobs:
   analyze:
     name: Analyze
     runs-on: ubuntu-latest
 
+    permissions:
+      actions: read
+      checks: write
+      contents: read
+      security-events: write
+
     strategy:
       fail-fast: false
       matrix:

.github/workflows/linter.yml

@@ -11,7 +11,6 @@ on:
 permissions:
   contents: read
   statuses: write
-  packages: read
 
 jobs:
   lint:
@@ -22,9 +21,6 @@ jobs:
       - name: Checkout
         id: checkout
         uses: actions/checkout@v4
-        # this is necessary based on https://github.com/super-linter/super-linter?tab=readme-ov-file#get-started
-        with:
-          fetch-depth: 0
 
       - name: Setup Node.js
         id: setup-node
@@ -39,10 +35,10 @@ jobs:
 
       - name: Lint Code Base
         id: super-linter
-        uses: super-linter/super-linter/slim@v6
+        uses: super-linter/super-linter/slim@v5
         env:
           DEFAULT_BRANCH: main
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          VALIDATE_TYPESCRIPT_STANDARD: false
+          TYPESCRIPT_DEFAULT_STYLE: prettier
           VALIDATE_JSCPD: false
           FILTER_REGEX_EXCLUDE: .*/licenses\.txt$

.github/workflows/release-new-action-version.yml

@@ -1,23 +0,0 @@
-name: Release new action version
-on:
-  release:
-    types: [released]
-
-env:
-  TAG_NAME: ${{ github.event.release.tag_name }}
-permissions:
-  contents: write
-
-jobs:
-  update_tag:
-    name: Update the major tag to include the ${{ github.event.release.tag_name }} changes
-    environment:
-      name: releaseNewActionVersion
-    runs-on: ubuntu-latest
-    steps:
-    - name: Update the ${{ env.TAG_NAME }} tag
-      id: update-major-tag
-      uses: actions/publish-action@v0.3.0
-      with:
-        source-tag: ${{ env.TAG_NAME }}
-        slack-webhook: ${{ secrets.SLACK_WEBHOOK }}

.github/workflows/release.yml

@@ -1,18 +1,16 @@
-# Package and publish the action when a new release is published
-# Since this is the publishing action itself, we can use the current checkout as the action
-name: 'Publish Immutable Action Version'
-on:
+name: 'release'
+on: # rebuild any PRs and main branch changes
   release:
-    types: [published]
+    types: [created]
 permissions:
-  contents: read
   id-token: write
+  contents: write
   packages: write
 jobs:
-  package-and-publish:
+  package-and-publish: 
     runs-on: ubuntu-latest
     steps:
-      - name: Check out repository
+      - name: Checking out!
         uses: actions/checkout@v4
-      - name: Publish Immutable Action Version
+      - name: Publish action package
         uses: ./

.gitignore

@@ -1,8 +1,6 @@
 # Dependency directory
 node_modules
 
-.npmrc
-
 # Rest pulled from https://github.com/github/gitignore/blob/master/Node.gitignore
 # Logs
 logs

.node-version

@@ -1 +1 @@
-24.4.0
+20.6.0

CODEOWNERS

@@ -1,3 +0,0 @@
-# Repository CODEOWNERS
-
-* @actions/actions-sudo

README.md

@@ -1,57 +1,28 @@
-# Publish Immutable Action
+# Publish Action Package
 
-> [!IMPORTANT]
-> This action is **not ready for public use**. It is part of an upcoming public roadmap item (see [GitHub Actions: Immutable actions publishing](https://github.com/github/roadmap/issues/592)).
-> Attempts to use this action to upload an OCI artifact will not work until this feature has been fully released to the public. Please do not attempt to use it until that time.
+_This action_ packages _your action_ as OCI artifacts and publishes it to the [GitHub Container registry](ghcr.io).
 
-This action packages _your action_ as an [OCI container](https://opencontainers.org/) and publishes it to the [GitHub Container registry](https://ghcr.io).
-This allows your action to be consumed as an _immutable_ package if a [SemVer](https://semver.org/) is specified in the consumer's workflow file.
+This allows your action to be consumed as an _immutable_ package even if a [SemVer](https://semver.org/) is specified in the consumer's workflow file.
 
-Your workflow can be triggered by any [event](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows) which has a `GITHUB_REF` that points to a Git tag.
-Some examples of these events are:
-
-- [`release`](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#release) (uses tag associated with release)
-- [`push`](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#push) (only applies to pushed tags)
-- [`workflow_dispatch`](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#workflow_dispatch) (only applies if subject of dispatch is a tag)
-
-The associated tag must follow [semantic versioning](https://semver.org/) - this tag value will be used to create a package version.
-
-Consumers of your action will then be able to specify that version to consume your action from the package, e.g.
-
-- `- uses: your-name/your-action@v1.2.3`
-- `- uses: your-name/your-action@v1`
-
-Such packages will come with stronger security guarantees for consumers than existing git-based action resolution, such as:
-
-- Provenance attestations generated using the [`@actions/attest`](https://github.com/actions/toolkit/tree/main/packages/attest) package
-- Tag immutability - it will not be possible to overwrite tags once published, ensuring versions of an action can't change once in use
-- Namespace immutability - it will not be possible to delete and recreate the package with different content; this would undermine tag immutability
+Your action workflow must be triggered on `release` as in the following example. The release's title must follow [semantic versioning](https://semver.org/).
+Then consumers of your action will then be able to specify the version, e.g., `- uses: your-name/your-action@v1.2.3` or even `- uses: your-name/your-action@v1`.
 
 ## Usage
 
-An actions workflow file like the following should be placed in your action repository:
-
 <!-- start usage -->
 ```yaml
-name: "Publish Immutable Action Version"
-
 on:
   release:
-    types: [published]
 
-jobs:
-  publish:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      id-token: write
-      packages: write
-    steps:
-    - name: Check out repo
-      uses: actions/checkout@v4
-    - name: Publish
-      id: publish
-      uses: actions/publish-immutable-action@0.0.3
+- uses: immutable-actions/publish-action-package@v1
+  with:
+    # Relative path of the working directory of the repository to be tar archived
+    # and uploaded as OCI Artifact layer. You can mention multiple files/folders
+    # by mentioning relative paths as space separated values.
+    #
+    # This defaults to the entire action repository contents if not explicitly defined.
+    # Default: '.'
+    path: 'src/ action.yml dist/'
 ```
 <!-- end usage -->
 

__tests__/api-client.test.ts

@@ -3,9 +3,6 @@ import {
   getContainerRegistryURL
 } from '../src/api-client'
 
-const url = 'https://registry.example.com'
-const test_token = 'test_token'
-
 let fetchMock: jest.SpyInstance
 
 beforeEach(() => {
@@ -19,45 +16,22 @@ afterEach(() => {
 describe('getRepositoryMetadata', () => {
   it('returns repository metadata when the fetch response is ok', async () => {
     fetchMock.mockResolvedValueOnce(
-      new Response(
-        JSON.stringify({
-          id: '123',
-          owner: { id: '456' },
-          visibility: 'public'
-        })
-      )
-    )
-    const result = await getRepositoryMetadata(url, 'repository', test_token)
-    expect(result).toEqual({
-      repoId: '123',
-      ownerId: '456',
-      visibility: 'public'
-    })
-
-    expect(fetchMock).toHaveBeenCalledWith(
-      'https://registry.example.com/repos/repository',
-      {
-        method: 'GET',
-        headers: {
-          Authorization: `Bearer ${test_token}`,
-          Accept: 'application/vnd.github.v3+json'
-        }
-      }
+      new Response(JSON.stringify({ id: '123', owner: { id: '456' } }))
     )
+    const result = await getRepositoryMetadata('repository', 'token')
+    expect(result).toEqual({ repoId: '123', ownerId: '456' })
   })
 
   it('throws an error when the fetch errors', async () => {
     fetchMock.mockRejectedValueOnce(new Error('API is down'))
-    await expect(
-      getRepositoryMetadata(url, 'repository', 'token')
-    ).rejects.toThrow('API is down')
+    await expect(getRepositoryMetadata('repository', 'token')).rejects.toThrow(
+      'API is down'
+    )
   })
 
   it('throws an error when the response status is not ok', async () => {
     fetchMock.mockResolvedValueOnce(new Response(null, { status: 500 }))
-    await expect(
-      getRepositoryMetadata(url, 'repository', 'token')
-    ).rejects.toThrow(
+    await expect(getRepositoryMetadata('repository', 'token')).rejects.toThrow(
       'Failed to fetch repository metadata due to bad status code: 500'
     )
   })
@@ -66,9 +40,7 @@ describe('getRepositoryMetadata', () => {
     fetchMock.mockResolvedValueOnce(
       new Response(JSON.stringify({ wrong: 'format' }))
     )
-    await expect(
-      getRepositoryMetadata(url, 'repository', 'token')
-    ).rejects.toThrow(
+    await expect(getRepositoryMetadata('repository', 'token')).rejects.toThrow(
       'Failed to fetch repository metadata: unexpected response format'
     )
   })
@@ -79,32 +51,18 @@ describe('getContainerRegistryURL', () => {
     fetchMock.mockResolvedValueOnce(
       new Response(JSON.stringify({ url: 'https://registry.example.com' }))
     )
-    const result = await getContainerRegistryURL(url, test_token)
-
+    const result = await getContainerRegistryURL()
     expect(result).toEqual(new URL('https://registry.example.com'))
-
-    expect(fetchMock).toHaveBeenCalledWith(
-      'https://registry.example.com/packages/container-registry-url',
-      {
-        method: 'GET',
-        headers: {
-          Authorization: `Bearer ${test_token}`,
-          Accept: 'application/vnd.github.v3+json'
-        }
-      }
-    )
   })
 
   it('throws an error when the fetch errors', async () => {
     fetchMock.mockRejectedValueOnce(new Error('API is down'))
-    await expect(getContainerRegistryURL(url, test_token)).rejects.toThrow(
-      'API is down'
-    )
+    await expect(getContainerRegistryURL()).rejects.toThrow('API is down')
   })
 
   it('throws an error when the response status is not ok', async () => {
     fetchMock.mockResolvedValueOnce(new Response(null, { status: 500 }))
-    await expect(getContainerRegistryURL(url, test_token)).rejects.toThrow(
+    await expect(getContainerRegistryURL()).rejects.toThrow(
       'Failed to fetch container registry url due to bad status code: 500'
     )
   })
@@ -113,7 +71,7 @@ describe('getContainerRegistryURL', () => {
     fetchMock.mockResolvedValueOnce(
       new Response(JSON.stringify({ wrong: 'format' }))
     )
-    await expect(getContainerRegistryURL(url, test_token)).rejects.toThrow(
+    await expect(getContainerRegistryURL()).rejects.toThrow(
       'Failed to fetch repository metadata: unexpected response format'
     )
   })

__tests__/config.test.ts

@@ -1,331 +0,0 @@
-import * as core from '@actions/core'
-import * as github from '@actions/github'
-import * as cfg from '../src/config'
-import * as apiClient from '../src/api-client'
-
-let getContainerRegistryURLMock: jest.SpyInstance
-let getRepositoryMetadataMock: jest.SpyInstance
-let getInputMock: jest.SpyInstance
-
-const ghcrUrl = new URL('https://ghcr.io')
-
-describe('config.resolvePublishActionOptions', () => {
-  beforeEach(() => {
-    getContainerRegistryURLMock = jest
-      .spyOn(apiClient, 'getContainerRegistryURL')
-      .mockImplementation()
-
-    getRepositoryMetadataMock = jest
-      .spyOn(apiClient, 'getRepositoryMetadata')
-      .mockImplementation()
-
-    getInputMock = jest.spyOn(core, 'getInput').mockImplementation()
-
-    configureEventContext()
-  })
-
-  afterEach(() => {
-    jest.clearAllMocks()
-    clearEventContext()
-  })
-
-  it('throws an error when the token is not provided', async () => {
-    getInputMock.mockReturnValueOnce(undefined)
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find GITHUB_TOKEN.'
-    )
-  })
-
-  it('throws an error when the event is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    github.context.eventName = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find event name.'
-    )
-  })
-
-  it('throws an error when the ref is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    github.context.ref = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find GITHUB_REF.'
-    )
-  })
-
-  it('throws an error when the workspaceDir is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    process.env.GITHUB_WORKSPACE = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find GITHUB_WORKSPACE.'
-    )
-  })
-
-  it('throws an error when the repository is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    github.context.payload.repository = undefined
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find Repository.'
-    )
-  })
-
-  it('throws an error when the apiBaseUrl is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    github.context.apiUrl = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find GITHUB_API_URL.'
-    )
-  })
-
-  it('throws an error when the runnerTempDir is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    process.env.RUNNER_TEMP = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find RUNNER_TEMP.'
-    )
-  })
-
-  it('throws an error when the sha is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    github.context.sha = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find GITHUB_SHA.'
-    )
-  })
-
-  it('throws an error when the githubServerUrl is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    github.context.serverUrl = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find GITHUB_SERVER_URL.'
-    )
-  })
-
-  it('throws an error when the repositoryId is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    process.env.GITHUB_REPOSITORY_ID = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find GITHUB_REPOSITORY_ID.'
-    )
-  })
-
-  it('throws an error when the repositoryOwnerId is not provided', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    process.env.GITHUB_REPOSITORY_OWNER_ID = ''
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find GITHUB_REPOSITORY_OWNER_ID.'
-    )
-  })
-
-  it('throws an error when getting the container registry URL fails', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    getContainerRegistryURLMock.mockRejectedValue(
-      new Error('Failed to get container registry URL')
-    )
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Failed to get container registry URL'
-    )
-  })
-
-  it('throws an error when getting the repository metadata fails', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    getContainerRegistryURLMock.mockResolvedValue(ghcrUrl)
-    getRepositoryMetadataMock.mockRejectedValue(
-      new Error('Failed to get repository metadata')
-    )
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Failed to get repository metadata'
-    )
-  })
-
-  it('throws an error when returned repository visibility is empty', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    getContainerRegistryURLMock.mockResolvedValue(ghcrUrl)
-    getRepositoryMetadataMock.mockResolvedValue({
-      visibility: ''
-    })
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Could not find repository visibility.'
-    )
-  })
-
-  it('throws an error when returned repository id does not match env var', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    getContainerRegistryURLMock.mockResolvedValue(ghcrUrl)
-    getRepositoryMetadataMock.mockResolvedValue({
-      visibility: 'public',
-      ownerId: '12345',
-      repoId: '54321'
-    })
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Repository ID mismatch.'
-    )
-  })
-
-  it('throws an error when returned repository owner id does not match env var', async () => {
-    getInputMock.mockReturnValueOnce('token')
-    getContainerRegistryURLMock.mockResolvedValue(ghcrUrl)
-    getRepositoryMetadataMock.mockResolvedValue({
-      visibility: 'public',
-      ownerId: '123124',
-      repoId: 'repositoryId'
-    })
-
-    await expect(cfg.resolvePublishActionOptions()).rejects.toThrow(
-      'Repository Owner ID mismatch.'
-    )
-  })
-
-  it('returns options when all values are present', async () => {
-    getInputMock.mockImplementation((name: string) => {
-      expect(name).toBe('github-token')
-      return 'token'
-    })
-    getContainerRegistryURLMock.mockResolvedValue(ghcrUrl)
-
-    getRepositoryMetadataMock.mockResolvedValue({
-      visibility: 'public',
-      repoId: 'repositoryId',
-      ownerId: 'repositoryOwnerId'
-    })
-
-    const options = await cfg.resolvePublishActionOptions()
-
-    expect(options).toEqual({
-      nameWithOwner: 'nameWithOwner',
-      ref: 'ref',
-      workspaceDir: 'workspaceDir',
-      event: 'release',
-      apiBaseUrl: 'apiBaseUrl',
-      runnerTempDir: 'runnerTempDir',
-      sha: 'sha',
-      repositoryVisibility: 'public',
-      repositoryId: 'repositoryId',
-      repositoryOwnerId: 'repositoryOwnerId',
-      isEnterprise: false,
-      containerRegistryUrl: ghcrUrl,
-      token: 'token'
-    })
-  })
-
-  it('sets enterprise to true when the server URL is not github.com or ghe.com', async () => {
-    getInputMock.mockImplementation((name: string) => {
-      expect(name).toBe('github-token')
-      return 'token'
-    })
-    getContainerRegistryURLMock.mockResolvedValue(ghcrUrl)
-
-    getRepositoryMetadataMock.mockResolvedValue({
-      visibility: 'public',
-      repoId: 'repositoryId',
-      ownerId: 'repositoryOwnerId'
-    })
-
-    github.context.serverUrl = 'https://github-enterprise.com'
-
-    const options = await cfg.resolvePublishActionOptions()
-
-    expect(options).toEqual({
-      nameWithOwner: 'nameWithOwner',
-      ref: 'ref',
-      workspaceDir: 'workspaceDir',
-      event: 'release',
-      apiBaseUrl: 'apiBaseUrl',
-      runnerTempDir: 'runnerTempDir',
-      sha: 'sha',
-      repositoryId: 'repositoryId',
-      repositoryOwnerId: 'repositoryOwnerId',
-      isEnterprise: true,
-      containerRegistryUrl: ghcrUrl,
-      token: 'token',
-      repositoryVisibility: 'public'
-    })
-  })
-})
-
-describe('config.serializeOptions', () => {
-  it('serializes the options, ignoring internal keys', () => {
-    const options: cfg.PublishActionOptions = {
-      nameWithOwner: 'nameWithOwner',
-      ref: 'ref',
-      workspaceDir: 'workspaceDir',
-      event: 'release',
-      apiBaseUrl: 'apiBaseUrl',
-      runnerTempDir: 'runnerTempDir',
-      sha: 'sha',
-      repositoryId: 'repositoryId',
-      repositoryOwnerId: 'repositoryOwnerId',
-      isEnterprise: false,
-      containerRegistryUrl: ghcrUrl,
-      token: 'token',
-      repositoryVisibility: 'public'
-    }
-
-    const serialized = cfg.serializeOptions(options)
-
-    // Parse the JSON
-    const parsed = JSON.parse(serialized)
-
-    expect(parsed.nameWithOwner).toBe('nameWithOwner')
-    expect(parsed.ref).toBe('ref')
-    expect(parsed.workspaceDir).toBe('workspaceDir')
-    expect(parsed.event).toBe('release')
-    expect(parsed.apiBaseUrl).toBe('apiBaseUrl')
-    expect(parsed.sha).toBe('sha')
-    expect(parsed.isEnterprise).toBe(false)
-    expect(parsed.containerRegistryUrl).toBe(ghcrUrl.toString())
-    expect(parsed.token).toBeUndefined()
-    expect(parsed.repositoryId).toBeUndefined()
-    expect(parsed.repositoryOwnerId).toBeUndefined()
-    expect(parsed.runnerTempDir).toBeUndefined()
-  })
-})
-
-function configureEventContext(): void {
-  github.context.ref = 'ref'
-  github.context.eventName = 'release'
-  github.context.apiUrl = 'apiBaseUrl'
-  github.context.sha = 'sha'
-  github.context.serverUrl = 'https://github.com/'
-  github.context.payload = {
-    repository: {
-      full_name: 'nameWithOwner',
-      name: 'name',
-      owner: {
-        login: 'owner'
-      }
-    }
-  }
-
-  process.env.RUNNER_TEMP = 'runnerTempDir'
-  process.env.GITHUB_WORKSPACE = 'workspaceDir'
-  process.env.GITHUB_REPOSITORY_ID = 'repositoryId'
-  process.env.GITHUB_REPOSITORY_OWNER_ID = 'repositoryOwnerId'
-}
-
-function clearEventContext(): void {
-  github.context.ref = ''
-  github.context.eventName = ''
-  github.context.apiUrl = ''
-  github.context.sha = ''
-  github.context.serverUrl = ''
-  github.context.payload = {}
-  process.env.RUNNER_TEMP = ''
-  process.env.GITHUB_WORKSPACE = ''
-  process.env.GITHUB_REPOSITORY_ID = ''
-  process.env.GITHUB_REPOSITORY_OWNER_ID = ''
-}

__tests__/fs-helper.test.ts

@@ -4,19 +4,19 @@ import * as os from 'os'
 import { execSync } from 'child_process'
 
 const fileContent = 'This is the content of the file'
-const tmpFileDir = '/tmp'
 
 describe('stageActionFiles', () => {
   let sourceDir: string
   let stagingDir: string
 
   beforeEach(() => {
-    sourceDir = fsHelper.createTempDir(tmpFileDir, 'source')
+    process.env.RUNNER_TEMP = '/tmp'
+    sourceDir = fsHelper.createTempDir('source')
     fs.mkdirSync(`${sourceDir}/src`)
     fs.writeFileSync(`${sourceDir}/src/main.js`, fileContent)
     fs.writeFileSync(`${sourceDir}/src/other.js`, fileContent)
 
-    stagingDir = fsHelper.createTempDir(tmpFileDir, 'staging')
+    stagingDir = fsHelper.createTempDir('staging')
   })
 
   afterEach(() => {
@@ -24,7 +24,13 @@ describe('stageActionFiles', () => {
     fs.rmSync(stagingDir, { recursive: true })
   })
 
-  it('copies all files (excluding the .git folder) to the staging directory', () => {
+  it('returns an error if no action.yml file is present', () => {
+    expect(() => fsHelper.stageActionFiles(sourceDir, stagingDir)).toThrow(
+      /^No action.yml or action.yaml file found in source repository/
+    )
+  })
+
+  it('copies all non-hidden files to the staging directory', () => {
     fs.writeFileSync(`${sourceDir}/action.yml`, fileContent)
 
     fs.mkdirSync(`${sourceDir}/.git`)
@@ -38,11 +44,26 @@ describe('stageActionFiles', () => {
     expect(fs.existsSync(`${stagingDir}/src/main.js`)).toBe(true)
     expect(fs.existsSync(`${stagingDir}/src/other.js`)).toBe(true)
 
-    // Hidden files are copied
-    expect(fs.existsSync(`${stagingDir}/.github`)).toBe(true)
-
-    // .git folder is not copied
+    // Hidden files should not be copied
     expect(fs.existsSync(`${stagingDir}/.git`)).toBe(false)
+    expect(fs.existsSync(`${stagingDir}/.github`)).toBe(false)
+  })
+
+  it('copies all non-hidden files to the staging directory, even if action.yml is in a subdirectory', () => {
+    fs.mkdirSync(`${sourceDir}/my-sub-action`, { recursive: true })
+    fs.writeFileSync(`${sourceDir}/my-sub-action/action.yml`, fileContent)
+
+    fsHelper.stageActionFiles(sourceDir, stagingDir)
+    expect(fs.existsSync(`${stagingDir}/src/main.js`)).toBe(true)
+    expect(fs.existsSync(`${stagingDir}/src/other.js`)).toBe(true)
+    expect(fs.existsSync(`${stagingDir}/my-sub-action/action.yml`)).toBe(true)
+  })
+
+  it('accepts action.yaml as a valid action file as well as action.yml', () => {
+    fs.writeFileSync(`${sourceDir}/action.yaml`, fileContent)
+
+    fsHelper.stageActionFiles(sourceDir, stagingDir)
+    expect(fs.existsSync(`${stagingDir}/action.yaml`)).toBe(true)
   })
 })
 
@@ -51,13 +72,14 @@ describe('createArchives', () => {
   let archiveDir: string
 
   beforeAll(() => {
-    stageDir = fsHelper.createTempDir(tmpFileDir, 'staging')
+    process.env.RUNNER_TEMP = '/tmp'
+    stageDir = fsHelper.createTempDir('staging')
     fs.writeFileSync(`${stageDir}/hello.txt`, fileContent)
     fs.writeFileSync(`${stageDir}/world.txt`, fileContent)
   })
 
   beforeEach(() => {
-    archiveDir = fsHelper.createTempDir(tmpFileDir, 'archive')
+    archiveDir = fsHelper.createTempDir('archive')
   })
 
   afterEach(() => {
@@ -134,17 +156,19 @@ describe('createTempDir', () => {
   })
 
   it('creates a temporary directory', () => {
-    const tmpDir = fsHelper.createTempDir(tmpFileDir, 'subdir')
+    process.env.RUNNER_TEMP = '/tmp'
+    const tmpDir = fsHelper.createTempDir('subdir')
 
     expect(fs.existsSync(tmpDir)).toEqual(true)
     expect(fs.statSync(tmpDir).isDirectory()).toEqual(true)
   })
 
   it('creates a unique temporary directory', () => {
-    const dir1 = fsHelper.createTempDir(tmpFileDir, 'dir1')
+    process.env.RUNNER_TEMP = '/tmp'
+    const dir1 = fsHelper.createTempDir('dir1')
     dirs.push(dir1)
 
-    const dir2 = fsHelper.createTempDir(tmpFileDir, 'dir2')
+    const dir2 = fsHelper.createTempDir('dir2')
     dirs.push(dir2)
 
     expect(dir1).not.toEqual(dir2)
@@ -155,7 +179,8 @@ describe('isDirectory', () => {
   let dir: string
 
   beforeEach(() => {
-    dir = fsHelper.createTempDir(tmpFileDir, 'subdir')
+    process.env.RUNNER_TEMP = '/tmp'
+    dir = fsHelper.createTempDir('subdir')
   })
 
   afterEach(() => {
@@ -177,7 +202,8 @@ describe('readFileContents', () => {
   let dir: string
 
   beforeEach(() => {
-    dir = fsHelper.createTempDir(tmpFileDir, 'subdir')
+    process.env.RUNNER_TEMP = '/tmp'
+    dir = fsHelper.createTempDir('subdir')
   })
 
   afterEach(() => {
@@ -191,103 +217,3 @@ describe('readFileContents', () => {
     expect(fsHelper.readFileContents(tempFile).toString()).toEqual(fileContent)
   })
 })
-
-describe('ensureCorrectShaCheckedOut', () => {
-  let dir: string
-  let commit1: string
-  let commit2: string
-  const tag1 = 'tag1'
-  const tag2 = 'tag2'
-
-  beforeEach(() => {
-    dir = fsHelper.createTempDir(tmpFileDir, 'subdir')
-
-    // Set up a git repository
-    execSync('git init', { cwd: dir })
-
-    // Set user and email in this git repo (not globally)
-    execSync('git config user.email monalisa@github.com', { cwd: dir })
-    execSync('git config user.name Mona', { cwd: dir })
-
-    // Add a file to the repo
-    fs.writeFileSync(`${dir}/file1.txt`, fileContent)
-    execSync('git add .', { cwd: dir })
-
-    // Add two commits
-    execSync('git commit --allow-empty -m "test"', { cwd: dir })
-    execSync('git commit --allow-empty -m "test"', { cwd: dir })
-
-    // Grab the two commits
-    commit1 = execSync('git rev-parse HEAD~1', { cwd: dir }).toString().trim()
-    commit2 = execSync('git rev-parse HEAD', { cwd: dir }).toString().trim()
-
-    // Create a tag for each commit
-    execSync(`git tag ${tag1} ${commit1}`, { cwd: dir })
-    execSync(`git tag ${tag2} ${commit2}`, { cwd: dir })
-  })
-
-  afterEach(() => {
-    fs.rmSync(dir, { recursive: true })
-  })
-
-  it('does not throw an error if the correct SHA is checked out', async () => {
-    await expect(
-      fsHelper.ensureTagAndRefCheckedOut(`refs/tags/${tag2}`, commit2, dir)
-    ).resolves.toBeUndefined()
-  })
-
-  it('throws an error if the correct SHA is not checked out', async () => {
-    await expect(
-      fsHelper.ensureTagAndRefCheckedOut(`refs/tags/${tag1}`, commit1, dir)
-    ).rejects.toThrow(
-      'The expected commit associated with the tag refs/tags/tag1 is not checked out.'
-    )
-  })
-
-  it('throws if there is an issue getting sha for tag', async () => {
-    await expect(async () =>
-      fsHelper.ensureTagAndRefCheckedOut(
-        `refs/tags/some-unknown-tag`,
-        commit2,
-        dir
-      )
-    ).rejects.toThrow('Error retrieving commit associated with tag')
-  })
-
-  it('throws an error if the sha of the tag does not match expected sha', async () => {
-    await expect(async () =>
-      fsHelper.ensureTagAndRefCheckedOut(`refs/tags/${tag1}`, commit2, dir)
-    ).rejects.toThrow(
-      'The commit associated with the tag refs/tags/tag1 does not match the SHA of the commit provided by the actions context.'
-    )
-  })
-
-  it('throws if the provided ref is not a tag ref', async () => {
-    await expect(async () =>
-      fsHelper.ensureTagAndRefCheckedOut(`refs/heads/main`, commit2, dir)
-    ).rejects.toThrow('Tag ref provided is not in expected format.')
-  })
-
-  it('throws if there are untracked files in the working directory', async () => {
-    // Add an untracked file
-    fs.writeFileSync(`${dir}/untracked-file.txt`, fileContent)
-
-    await expect(async () =>
-      fsHelper.ensureTagAndRefCheckedOut(`refs/tags/${tag2}`, commit2, dir)
-    ).rejects.toThrow(
-      'The working directory has uncommitted changes. Uploading modified code from the checked out repository is not supported by this action.'
-    )
-  })
-
-  it('throws if there are uncommitted changes in the working directory', async () => {
-    // Add an untracked file
-    fs.writeFileSync(`${dir}/file1.txt`, fileContent + fileContent)
-    execSync('git add .', { cwd: dir })
-
-    await expect(async () =>
-      fsHelper.ensureTagAndRefCheckedOut(`refs/tags/${tag2}`, commit2, dir)
-    ).rejects.toThrow(
-      'The working directory has uncommitted changes. Uploading modified code from the checked out repository is not supported by this action.'
-    )
-  })
-})

__tests__/main.test.ts

@@ -7,50 +7,33 @@
  */
 
 import * as core from '@actions/core'
-import * as attest from '@actions/attest'
 import * as main from '../src/main'
-import * as cfg from '../src/config'
+import * as github from '@actions/github'
+
 import * as fsHelper from '../src/fs-helper'
 import * as ghcr from '../src/ghcr-client'
-import * as ociContainer from '../src/oci-container'
-
-const ghcrUrl = new URL('https://ghcr.io')
-const predicateType = 'https://slsa.dev/provenance/v1'
-const bundleMediaType = 'application/vnd.dev.sigstore.bundle.v0.3+json'
+import * as api from '../src/api-client'
 
 // Mock the GitHub Actions core library
 let setFailedMock: jest.SpyInstance
 let setOutputMock: jest.SpyInstance
 
-// Mock the FS Helper
+// Mock the filesystem helper
 let createTempDirMock: jest.SpyInstance
 let createArchivesMock: jest.SpyInstance
 let stageActionFilesMock: jest.SpyInstance
-let ensureCorrectShaCheckedOutMock: jest.SpyInstance
-let readFileContentsMock: jest.SpyInstance
 
-// Mock OCI container lib
-let calculateManifestDigestMock: jest.SpyInstance
+// Mock the GHCR Client
+let publishOCIArtifactMock: jest.SpyInstance
 
-// Mock GHCR client
-let client: ghcr.Client
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
-let createGHCRClient: jest.SpyInstance
-let uploadOCIImageManifestMock: jest.SpyInstance
-let uploadOCIIndexManifestMock: jest.SpyInstance
-
-// Mock the config resolution
-let resolvePublishActionOptionsMock: jest.SpyInstance
-
-// Mock generating attestation
-let generateAttestationMock: jest.SpyInstance
+// Mock the API Client
+let getContainerRegistryURLMock: jest.SpyInstance
+let getRepositoryMetadataMock: jest.SpyInstance
 
 describe('run', () => {
   beforeEach(() => {
     jest.clearAllMocks()
 
-    client = new ghcr.Client('token', ghcrUrl)
-
     // Core mocks
     setFailedMock = jest.spyOn(core, 'setFailed').mockImplementation()
     setOutputMock = jest.spyOn(core, 'setOutput').mockImplementation()
@@ -65,105 +48,123 @@ describe('run', () => {
     stageActionFilesMock = jest
       .spyOn(fsHelper, 'stageActionFiles')
       .mockImplementation()
-    ensureCorrectShaCheckedOutMock = jest
-      .spyOn(fsHelper, 'ensureTagAndRefCheckedOut')
-      .mockImplementation()
-    readFileContentsMock = jest
-      .spyOn(fsHelper, 'readFileContents')
-      .mockImplementation()
-
-    // OCI Container mocks
-    calculateManifestDigestMock = jest
-      .spyOn(ociContainer, 'sha256Digest')
-      .mockImplementation()
 
     // GHCR Client mocks
-    createGHCRClient = jest
-      .spyOn(ghcr, 'Client')
-      .mockImplementation(() => client)
-
-    uploadOCIImageManifestMock = jest
-      .spyOn(client, 'uploadOCIImageManifest')
-      .mockImplementation()
-    uploadOCIIndexManifestMock = jest
-      .spyOn(client, 'uploadOCIIndexManifest')
+    publishOCIArtifactMock = jest
+      .spyOn(ghcr, 'publishOCIArtifact')
       .mockImplementation()
 
-    // Config mocks
-    resolvePublishActionOptionsMock = jest
-      .spyOn(cfg, 'resolvePublishActionOptions')
+    // API Client mocks
+    getContainerRegistryURLMock = jest
+      .spyOn(api, 'getContainerRegistryURL')
       .mockImplementation()
 
-    // Attestation mocks
-    generateAttestationMock = jest
-      .spyOn(attest, 'attestProvenance')
+    getRepositoryMetadataMock = jest
+      .spyOn(api, 'getRepositoryMetadata')
       .mockImplementation()
   })
 
-  it('fails if the action ref is not a tag', async () => {
-    const options = baseOptions()
-    options.ref = 'refs/heads/main' // This is a branch, not a tag
-    resolvePublishActionOptionsMock.mockReturnValueOnce(options)
+  it('fails if no repository found', async () => {
+    // Mock the environment
+    process.env.GITHUB_REPOSITORY = ''
 
+    // Run the action
     await main.run()
 
-    expect(setFailedMock).toHaveBeenCalledWith(
-      'The ref refs/heads/main is not a valid tag reference.'
-    )
+    // Check the results
+    expect(setFailedMock).toHaveBeenCalledWith('Could not find Repository.')
   })
 
-  it('fails if the value of the tag ref is not a valid semver', async () => {
-    const tags = ['test', 'v1.0', 'chicken', '111111']
+  it('fails if no token found', async () => {
+    // Mock the environment
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    process.env.TOKEN = ''
 
-    for (const tag of tags) {
-      const options = baseOptions()
-      options.ref = `refs/tags/${tag}`
-      resolvePublishActionOptionsMock.mockReturnValueOnce(options)
+    // Run the action
+    await main.run()
 
+    // Check the results
+    expect(setFailedMock).toHaveBeenCalledWith('Could not find GITHUB_TOKEN.')
+  })
+
+  it('fails if no source commit found', async () => {
+    // Mock the environment
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    process.env.TOKEN = 'test'
+    process.env.GITHUB_SHA = ''
+
+    // Run the action
+    await main.run()
+
+    // Check the results
+    expect(setFailedMock).toHaveBeenCalledWith('Could not find source commit.')
+  })
+
+  it('fails if trigger is not release or tag push', async () => {
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+
+    // TODO: If we want we can add all of these: https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows
+    const invalidEvents = ['workflow_dispatch, pull_request, schedule']
+    for (const event of invalidEvents) {
+      github.context.eventName = event
       await main.run()
       expect(setFailedMock).toHaveBeenCalledWith(
-        `${tag} is not a valid semantic version tag, and so cannot be uploaded to the action package.`
+        'This action can only be triggered by release events or tag push events.'
       )
     }
   })
 
-  it('fails if ensuring the correct SHA is checked out errors', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
+  it('fails if the trigger is a push, but not a tag push', async () => {
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+    github.context.eventName = 'push'
+    github.context.ref = 'refs/heads/main' // This is a branch, not a tag
 
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {
-      throw new Error('Something went wrong')
-    })
-
-    // Run the action
     await main.run()
 
-    // Check the results
-    expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
+    expect(setFailedMock).toHaveBeenCalledWith(
+      'This action can only be triggered by release events or tag push events.'
+    )
   })
 
-  it('fails if creating staging temp directory fails', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
+  it('fails if the value of the tag input is not a valid semver', async () => {
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+    github.context.eventName = 'release'
 
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-    createTempDirMock.mockImplementation(() => {
-      throw new Error('Something went wrong')
-    })
+    const tags = ['test', 'v1.0', 'chicken', '111111']
 
-    // Run the action
-    await main.run()
+    for (const tag of tags) {
+      github.context.payload = {
+        release: {
+          id: '123',
+          tag_name: tag
+        }
+      }
 
-    // Check the results
-    expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
+      await main.run()
+      expect(setFailedMock).toHaveBeenCalledWith(
+        `${tag} is not a valid semantic version, and so cannot be uploaded as an Immutable Action.`
+      )
+    }
   })
 
   it('fails if staging files fails', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation(() => {
-      return 'tmpDir/staging'
-    })
+    // Mock the environment
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    github.context.eventName = 'release'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+    github.context.payload = {
+      release: {
+        id: '123',
+        tag_name: 'v1.2.3'
+      }
+    }
 
     stageActionFilesMock.mockImplementation(() => {
       throw new Error('Something went wrong')
@@ -176,20 +177,23 @@ describe('run', () => {
     expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
   })
 
-  it('fails if creating archives temp directory fails', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation((_, path: string) => {
-      if (path === 'staging') {
-        return 'staging'
+  it('fails if creating temp directory fails', async () => {
+    // Mock the environment
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    github.context.eventName = 'release'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+    github.context.payload = {
+      release: {
+        id: '123',
+        tag_name: 'v1.2.3'
       }
+    }
+
+    createTempDirMock.mockImplementation(() => {
       throw new Error('Something went wrong')
     })
 
-    stageActionFilesMock.mockImplementation(() => {})
-
     // Run the action
     await main.run()
 
@@ -198,15 +202,17 @@ describe('run', () => {
   })
 
   it('fails if creating archives fails', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation(() => {
-      return 'stagingOrArchivesDir'
-    })
-
-    stageActionFilesMock.mockImplementation(() => {})
+    // Mock the environment
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    github.context.eventName = 'release'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+    github.context.payload = {
+      release: {
+        id: '123',
+        tag_name: 'v1.2.3'
+      }
+    }
 
     createArchivesMock.mockImplementation(() => {
       throw new Error('Something went wrong')
@@ -219,20 +225,17 @@ describe('run', () => {
     expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
   })
 
-  it('fails if creating attestation fails', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation(() => {
-      return 'stagingOrArchivesDir'
-    })
-
-    stageActionFilesMock.mockImplementation(() => {})
-
-    calculateManifestDigestMock.mockImplementation(() => {
-      return 'sha256:my-test-digest'
-    })
+  it('fails if getting container registry URL fails', async () => {
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    github.context.eventName = 'release'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+    github.context.payload = {
+      release: {
+        id: '123',
+        tag_name: 'v1.2.3'
+      }
+    }
 
     createArchivesMock.mockImplementation(() => {
       return {
@@ -249,443 +252,128 @@ describe('run', () => {
       }
     })
 
-    uploadOCIImageManifestMock.mockImplementation(() => {
+    getRepositoryMetadataMock.mockImplementation(() => {
+      return { repoId: 'test', ownerId: 'test' }
+    })
+
+    getContainerRegistryURLMock.mockImplementation(() => {
+      throw new Error('Something went wrong')
+    })
+
+    // Run the action
+    await main.run()
+
+    // Check the results
+    expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
+  })
+
+  it('fails if publishing OCI artifact fails', async () => {
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    github.context.eventName = 'release'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+    github.context.payload = {
+      release: {
+        id: '123',
+        tag_name: 'v1.2.3'
+      }
+    }
+
+    createArchivesMock.mockImplementation(() => {
+      return {
+        zipFile: {
+          path: 'test',
+          size: 5,
+          sha256: '123'
+        },
+        tarFile: {
+          path: 'test2',
+          size: 52,
+          sha256: '1234'
+        }
+      }
+    })
+
+    getRepositoryMetadataMock.mockImplementation(() => {
+      return { repoId: 'test', ownerId: 'test' }
+    })
+
+    getContainerRegistryURLMock.mockImplementation(() => {
+      return new URL('https://ghcr.io')
+    })
+
+    publishOCIArtifactMock.mockImplementation(() => {
+      throw new Error('Something went wrong')
+    })
+
+    // Run the action
+    await main.run()
+
+    // Check the results
+    expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
+  })
+
+  it('uploads the artifact, returns package metadata from GHCR, and cleans up tmp dirs', async () => {
+    process.env.GITHUB_REPOSITORY = 'test-org/test-repo'
+    github.context.eventName = 'release'
+    process.env.GITHUB_SHA = 'test-sha'
+    process.env.TOKEN = 'token'
+    github.context.payload = {
+      release: {
+        id: '123',
+        tag_name: 'v1.2.3'
+      }
+    }
+
+    createTempDirMock.mockImplementation(() => '/tmp/test/subdir')
+
+    createArchivesMock.mockImplementation(() => {
+      return {
+        zipFile: {
+          path: 'test',
+          size: 5,
+          sha256: '123'
+        },
+        tarFile: {
+          path: 'test2',
+          size: 52,
+          sha256: '1234'
+        }
+      }
+    })
+
+    getRepositoryMetadataMock.mockImplementation(() => {
+      return { repoId: 'test', ownerId: 'test' }
+    })
+
+    getContainerRegistryURLMock.mockImplementation(() => {
+      return new URL('https://ghcr.io')
+    })
+
+    publishOCIArtifactMock.mockImplementation(() => {
       return {
         packageURL: 'https://ghcr.io/v2/test-org/test-repo:1.2.3',
-        publishedDigest: 'sha256:my-test-digest'
+        manifestDigest: 'sha256:my-test-digest'
       }
     })
 
-    generateAttestationMock.mockImplementation(async () => {
-      throw new Error('Something went wrong')
-    })
-
     // Run the action
     await main.run()
 
     // Check the results
-    expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
-  })
-
-  it('fails if uploading attestation to GHCR fails', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation(() => {
-      return 'stagingOrArchivesDir'
-    })
-
-    stageActionFilesMock.mockImplementation(() => {})
-
-    createArchivesMock.mockImplementation(() => {
-      return {
-        zipFile: {
-          path: 'test',
-          size: 5,
-          sha256: '123'
-        },
-        tarFile: {
-          path: 'test2',
-          size: 52,
-          sha256: '1234'
-        }
-      }
-    })
-
-    calculateManifestDigestMock.mockImplementation(() => {
-      return 'sha256:my-test-digest'
-    })
-
-    generateAttestationMock.mockImplementation(async options => {
-      expect(options).toHaveProperty('skipWrite', true)
-
-      return {
-        attestationID: 'test-attestation-id',
-        certificate: 'test',
-        bundle: {
-          mediaType: bundleMediaType,
-          verificationMaterial: {
-            publicKey: {
-              hint: 'test-hint'
-            }
-          },
-          dsseEnvelope: {
-            payload: btoa(`{"predicateType": "${predicateType}"}`)
-          }
-        }
-      }
-    })
-
-    uploadOCIImageManifestMock.mockImplementation(() => {
-      throw new Error('Something went wrong')
-    })
-
-    // Run the action
-    await main.run()
-
-    // Check the results
-    expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
-  })
-
-  it('fails if uploading referrer index manifest to GHCR fails', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation(() => {
-      return 'stagingOrArchivesDir'
-    })
-
-    stageActionFilesMock.mockImplementation(() => {})
-
-    createArchivesMock.mockImplementation(() => {
-      return {
-        zipFile: {
-          path: 'test',
-          size: 5,
-          sha256: '123'
-        },
-        tarFile: {
-          path: 'test2',
-          size: 52,
-          sha256: '1234'
-        }
-      }
-    })
-
-    calculateManifestDigestMock.mockImplementation(() => {
-      return 'sha256:my-test-digest'
-    })
-
-    generateAttestationMock.mockImplementation(async options => {
-      expect(options).toHaveProperty('skipWrite', true)
-
-      return {
-        attestationID: 'test-attestation-id',
-        certificate: 'test',
-        bundle: {
-          mediaType: bundleMediaType,
-          verificationMaterial: {
-            publicKey: {
-              hint: 'test-hint'
-            }
-          },
-          dsseEnvelope: {
-            payload: btoa(`{"predicateType": "${predicateType}"}`)
-          }
-        }
-      }
-    })
-
-    uploadOCIImageManifestMock.mockImplementation(() => {
-      return 'attestation-digest'
-    })
-
-    uploadOCIIndexManifestMock.mockImplementation(() => {
-      throw new Error('Something went wrong')
-    })
-
-    // Run the action
-    await main.run()
-
-    // Check the results
-    expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
-  })
-
-  it('fails if publishing action package version fails', async () => {
-    resolvePublishActionOptionsMock.mockReturnValue(baseOptions())
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation(() => {
-      return 'stagingOrArchivesDir'
-    })
-
-    stageActionFilesMock.mockImplementation(() => {})
-
-    createArchivesMock.mockImplementation(() => {
-      return {
-        zipFile: {
-          path: 'test',
-          size: 5,
-          sha256: '123'
-        },
-        tarFile: {
-          path: 'test2',
-          size: 52,
-          sha256: '1234'
-        }
-      }
-    })
-
-    readFileContentsMock.mockImplementation(() => {
-      return Buffer.from('test')
-    })
-
-    calculateManifestDigestMock.mockImplementation(() => {
-      return 'sha256:my-test-digest'
-    })
-
-    generateAttestationMock.mockImplementation(async options => {
-      expect(options).toHaveProperty('skipWrite', true)
-
-      return {
-        attestationID: 'test-attestation-id',
-        certificate: 'test',
-        bundle: {
-          mediaType: bundleMediaType,
-          verificationMaterial: {
-            publicKey: {
-              hint: 'test-hint'
-            }
-          },
-          dsseEnvelope: {
-            payload: btoa(`{"predicateType": "${predicateType}"}`)
-          }
-        }
-      }
-    })
-
-    uploadOCIImageManifestMock.mockImplementation(
-      (repo, manifest, blobs, tag) => {
-        if (tag === undefined) {
-          return 'attestation-digest'
-        } else {
-          throw new Error('Something went wrong')
-        }
-      }
-    )
-
-    uploadOCIIndexManifestMock.mockImplementation(() => {
-      return 'referrer-index-digest'
-    })
-
-    // Run the action
-    await main.run()
-
-    // Check the results
-    expect(setFailedMock).toHaveBeenCalledWith('Something went wrong')
-  })
-
-  it('uploads the artifact, returns package metadata from GHCR, and skips writing attestation in enterprise', async () => {
-    const options = baseOptions()
-    options.isEnterprise = true
-    resolvePublishActionOptionsMock.mockReturnValue(options)
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation(() => {
-      return 'stagingOrArchivesDir'
-    })
-
-    stageActionFilesMock.mockImplementation(() => {})
-
-    createArchivesMock.mockImplementation(() => {
-      return {
-        zipFile: {
-          path: 'zip',
-          size: 5,
-          sha256: '123'
-        },
-        tarFile: {
-          path: 'tar',
-          size: 52,
-          sha256: '1234'
-        }
-      }
-    })
-
-    readFileContentsMock.mockImplementation(filepath => {
-      return Buffer.from(`${filepath}`)
-    })
-
-    calculateManifestDigestMock.mockImplementation(() => {
-      return 'sha256:my-test-digest'
-    })
-
-    uploadOCIImageManifestMock.mockImplementation(
-      (repository, manifest, blobs, tag) => {
-        expect(repository).toBe(options.nameWithOwner)
-        expect(tag).toBe('1.2.3')
-        expect(blobs.size).toBe(3)
-        expect(blobs.has(ociContainer.emptyConfigSha)).toBeTruthy()
-        expect(blobs.has('123')).toBeTruthy()
-        expect(blobs.has('1234')).toBeTruthy()
-        expect(manifest.mediaType).toBe(ociContainer.imageManifestMediaType)
-        expect(manifest.layers.length).toBe(2)
-        expect(manifest.annotations['com.github.package.type']).toBe(
-          ociContainer.actionPackageAnnotationValue
-        )
-
-        return 'sha256:my-test-digest'
-      }
-    )
-
-    // Run the action
-    await main.run()
-
-    // Check the results
-    expect(uploadOCIImageManifestMock).toHaveBeenCalledTimes(1)
-
-    // Check outputs
-    expect(setOutputMock).toHaveBeenCalledTimes(1)
-
-    expect(setOutputMock).toHaveBeenCalledWith(
-      'package-manifest-sha',
-      'sha256:my-test-digest'
-    )
-  })
-
-  it('uploads the artifact, returns package metadata from GHCR, and creates an attestation in non-enterprise', async () => {
-    const options = baseOptions()
-    resolvePublishActionOptionsMock.mockReturnValue(options)
-
-    ensureCorrectShaCheckedOutMock.mockImplementation(() => {})
-
-    createTempDirMock.mockImplementation(() => {
-      return 'stagingOrArchivesDir'
-    })
-
-    stageActionFilesMock.mockImplementation(() => {})
-
-    createArchivesMock.mockImplementation(() => {
-      return {
-        zipFile: {
-          path: 'test',
-          size: 5,
-          sha256: '123'
-        },
-        tarFile: {
-          path: 'test2',
-          size: 52,
-          sha256: '1234'
-        }
-      }
-    })
-
-    readFileContentsMock.mockImplementation(() => {
-      return Buffer.from('test')
-    })
-
-    calculateManifestDigestMock.mockImplementation(() => {
-      return 'sha256:my-test-digest'
-    })
-
-    generateAttestationMock.mockImplementation(async opts => {
-      expect(opts).toHaveProperty('skipWrite', true)
-
-      return {
-        attestationID: 'test-attestation-id',
-        certificate: 'test',
-        bundle: {
-          mediaType: bundleMediaType,
-          verificationMaterial: {
-            publicKey: {
-              hint: 'test-hint'
-            }
-          },
-          dsseEnvelope: {
-            payload: btoa(`{"predicateType": "${predicateType}"}`)
-          }
-        }
-      }
-    })
-
-    uploadOCIIndexManifestMock.mockImplementation(
-      async (repository, manifest, tag) => {
-        expect(repository).toBe(options.nameWithOwner)
-        expect(tag).toBe('sha256-my-test-digest')
-        expect(manifest.mediaType).toBe(ociContainer.imageIndexMediaType)
-        expect(manifest.annotations['com.github.package.type']).toBe(
-          ociContainer.actionPackageReferrerTagAnnotationValue
-        )
-        expect(manifest.manifests.length).toBe(1)
-        expect(manifest.manifests[0].mediaType).toBe(
-          ociContainer.imageManifestMediaType
-        )
-        expect(manifest.manifests[0].artifactType).toBe(bundleMediaType)
-        expect(
-          manifest.manifests[0].annotations['dev.sigstore.bundle.predicateType']
-        ).toBe(predicateType)
-        expect(
-          manifest.manifests[0].annotations['com.github.package.type']
-        ).toBe(ociContainer.actionPackageAttestationAnnotationValue)
-
-        return 'sha256:referrer-index-digest'
-      }
-    )
-
-    uploadOCIImageManifestMock.mockImplementation(
-      (repository, manifest, blobs, tag) => {
-        let expectedBlobKeys: string[] = []
-        let expectedAnnotationValue = ''
-        let expectedTagValue: string | undefined = undefined
-        let returnValue = ''
-        let expectedPredicateTypeValue: string | undefined = undefined
-
-        let expectedSubjectMediaType: string | undefined = undefined
-
-        if (tag === undefined) {
-          expectedAnnotationValue =
-            ociContainer.actionPackageAttestationAnnotationValue
-          const sigStoreLayer = manifest.layers.find(
-            (layer: ociContainer.Descriptor) =>
-              layer.mediaType === bundleMediaType
-          )
-          expectedPredicateTypeValue = predicateType
-
-          expectedBlobKeys = [sigStoreLayer.digest, ociContainer.emptyConfigSha]
-
-          expectedSubjectMediaType = ociContainer.imageManifestMediaType
-
-          returnValue = 'sha256:attestation-digest'
-        } else {
-          expectedAnnotationValue = ociContainer.actionPackageAnnotationValue
-          expectedTagValue = '1.2.3'
-          expectedBlobKeys = ['123', '1234', ociContainer.emptyConfigSha]
-          returnValue = 'sha256:my-test-digest'
-        }
-
-        expect(repository).toBe(options.nameWithOwner)
-        expect(manifest.mediaType).toBe(ociContainer.imageManifestMediaType)
-        expect(manifest.annotations['com.github.package.type']).toBe(
-          expectedAnnotationValue
-        )
-        expect(manifest.annotations['dev.sigstore.bundle.predicateType']).toBe(
-          expectedPredicateTypeValue
-        )
-        expect(tag).toBe(expectedTagValue)
-        expect(manifest.subject?.mediaType).toBe(expectedSubjectMediaType)
-
-        expect(manifest.layers.length).toBe(expectedBlobKeys.length - 1) // Minus config layer
-        expect(blobs.size).toBe(expectedBlobKeys.length)
-        for (const expectedBlobKey of expectedBlobKeys) {
-          expect(blobs.has(expectedBlobKey)).toBeTruthy()
-        }
-
-        return returnValue
-      }
-    )
-
-    // Run the action
-    await main.run()
-
-    // Check the results
-    expect(uploadOCIImageManifestMock).toHaveBeenCalledTimes(2)
-    expect(uploadOCIIndexManifestMock).toHaveBeenCalledTimes(1)
+    expect(publishOCIArtifactMock).toHaveBeenCalledTimes(1)
 
     // Check outputs
     expect(setOutputMock).toHaveBeenCalledTimes(3)
 
     expect(setOutputMock).toHaveBeenCalledWith(
-      'attestation-manifest-sha',
-      'sha256:attestation-digest'
+      'package-url',
+      'https://ghcr.io/v2/test-org/test-repo:1.2.3'
     )
 
     expect(setOutputMock).toHaveBeenCalledWith(
-      'referrer-index-manifest-sha',
-      'sha256:referrer-index-digest'
+      'package-manifest',
+      expect.any(String)
     )
 
     expect(setOutputMock).toHaveBeenCalledWith(
@@ -694,21 +382,3 @@ describe('run', () => {
     )
   })
 })
-
-function baseOptions(): cfg.PublishActionOptions {
-  return {
-    nameWithOwner: 'nameWithOwner',
-    workspaceDir: 'workspaceDir',
-    event: 'release',
-    apiBaseUrl: 'apiBaseUrl',
-    runnerTempDir: 'runnerTempDir',
-    sha: 'sha',
-    repositoryId: 'repositoryId',
-    repositoryOwnerId: 'repositoryOwnerId',
-    isEnterprise: false,
-    containerRegistryUrl: ghcrUrl,
-    token: 'token',
-    ref: 'refs/tags/v1.2.3',
-    repositoryVisibility: 'public'
-  }
-}

__tests__/oci-container.test.ts

@@ -1,55 +1,53 @@
-import {
-  createActionPackageManifest,
-  sha256Digest,
-  sizeInBytes,
-  OCIImageManifest,
-  createSigstoreAttestationManifest,
-  OCIIndexManifest,
-  createReferrerTagManifest
-} from '../src/oci-container'
+import { createActionPackageManifest } from '../src/oci-container'
 import { FileMetadata } from '../src/fs-helper'
 
-const createdTimestamp = '2021-01-01T00:00:00.000Z'
-
-describe('sha256Digest', () => {
-  it('calculates the SHA256 digest of the provided manifest', () => {
-    const { manifest } = testActionPackageManifest()
-    const digest = sha256Digest(manifest)
-    const expectedDigest =
-      'sha256:1af9bf993bf068a51fbb54822471ab7507b07c553bcac09a7c91328740d8ed69'
-
-    expect(digest).toEqual(expectedDigest)
-  })
-})
-
-describe('size', () => {
-  it('returns the total size of the provided manifest', () => {
-    const { manifest } = testActionPackageManifest()
-    const size = sizeInBytes(manifest)
-    expect(size).toBe(991)
-  })
-})
-
 describe('createActionPackageManifest', () => {
   it('creates a manifest containing the provided information', () => {
-    const { manifest, zipFile, tarFile } = testActionPackageManifest()
+    const date = new Date()
+    const repo = 'test-org/test-repo'
+    const sanitizedRepo = 'test-org-test-repo'
+    const version = '1.2.3'
+    const repoId = '123'
+    const ownerId = '456'
+    const sourceCommit = 'abc'
+    const tarFile: FileMetadata = {
+      path: '/test/test/test.tar.gz',
+      sha256: 'tarSha',
+      size: 123
+    }
+    const zipFile: FileMetadata = {
+      path: '/test/test/test.zip',
+      sha256: 'zipSha',
+      size: 456
+    }
 
     const expectedJSON = `{
             "schemaVersion": 2,
             "mediaType": "application/vnd.oci.image.manifest.v1+json",
             "artifactType": "application/vnd.github.actions.package.v1+json",
             "config": {
-                "mediaType":"application/vnd.oci.empty.v1+json",
-                "size":2,
-                "digest":"sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a"
+                "mediaType": "application/vnd.github.actions.package.config.v1+json",
+                "size": 0,
+                "digest": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "annotations": {
+                    "org.opencontainers.image.title":"config.json"
+                }
             },
             "layers":[
+                {
+                    "mediaType":"application/vnd.github.actions.package.config.v1+json",
+                    "size":0,
+                    "digest":"sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                    "annotations":{
+                        "org.opencontainers.image.title":"config.json"
+                    }
+                },
                 {
                     "mediaType":"application/vnd.github.actions.package.layer.v1.tar+gzip",
                     "size":${tarFile.size},
                     "digest":"${tarFile.sha256}",
                     "annotations":{
-                        "org.opencontainers.image.title":"test-org-test-repo_1.2.3.tar.gz"
+                        "org.opencontainers.image.title":"${sanitizedRepo}_${version}.tar.gz"
                     }
                 },
                 {
@@ -57,12 +55,12 @@ describe('createActionPackageManifest', () => {
                     "size":${zipFile.size},
                     "digest":"${zipFile.sha256}",
                     "annotations":{
-                        "org.opencontainers.image.title":"test-org-test-repo_1.2.3.zip"
+                        "org.opencontainers.image.title":"${sanitizedRepo}_${version}.zip"
                     }
                 }
             ],
             "annotations":{
-                "org.opencontainers.image.created":"${createdTimestamp}",
+                "org.opencontainers.image.created":"${date.toISOString()}",
                 "action.tar.gz.digest":"${tarFile.sha256}",
                 "action.zip.digest":"${zipFile.sha256}",
                 "com.github.package.type":"actions_oci_pkg",
@@ -73,168 +71,26 @@ describe('createActionPackageManifest', () => {
             }
         }`
 
+    const manifest = createActionPackageManifest(
+      {
+        path: 'test.tar.gz',
+        size: tarFile.size,
+        sha256: tarFile.sha256
+      },
+      {
+        path: 'test.zip',
+        size: zipFile.size,
+        sha256: zipFile.sha256
+      },
+      repo,
+      repoId,
+      ownerId,
+      sourceCommit,
+      version,
+      date
+    )
+
     const manifestJSON = JSON.stringify(manifest)
     expect(manifestJSON).toEqual(expectedJSON.replace(/\s/g, ''))
   })
-
-  it('uses the current time if no created date is provided', () => {
-    const { manifest } = testActionPackageManifest(false)
-    expect(
-      manifest.annotations['org.opencontainers.image.created']
-    ).toBeDefined()
-  })
 })
-
-describe('createSigstoreAttestationManifest', () => {
-  it('creates a manifest containing the provided information', () => {
-    const manifest = testAttestationManifest()
-
-    const expectedJSON = `{
-  "schemaVersion": 2,
-  "mediaType": "application/vnd.oci.image.manifest.v1+json",
-  "artifactType": "application/vnd.dev.sigstore.bundle.v0.3+json",
-  "config": {
-    "mediaType": "application/vnd.oci.empty.v1+json",
-    "size": 2,
-    "digest": "sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a"
-  },
-  "layers": [
-    {
-      "mediaType": "application/vnd.dev.sigstore.bundle.v0.3+json",
-      "size": 10,
-      "digest": "bundleDigest"
-    }
-  ],
-  "subject": {
-    "mediaType": "application/vnd.oci.image.manifest.v1+json",
-    "size": 100,
-    "digest": "subjectDigest"
-  },
-  "annotations": {
-    "dev.sigstore.bundle.content": "dsse-envelope",
-    "dev.sigstore.bundle.predicateType": "https://slsa.dev/provenance/v1",
-    "com.github.package.type": "actions_oci_pkg_attestation",
-    "org.opencontainers.image.created": "2021-01-01T00:00:00.000Z"
-  }
-}
-`
-
-    const manifestJSON = JSON.stringify(manifest)
-
-    expect(manifestJSON).toEqual(expectedJSON.replace(/\s/g, ''))
-  })
-
-  it('uses the current time if no created date is provided', () => {
-    const manifest = testAttestationManifest(false)
-    expect(
-      manifest.annotations['org.opencontainers.image.created']
-    ).toBeDefined()
-  })
-})
-
-describe('createReferrerIndexManifest', () => {
-  it('creates a manifest containing the provided information', () => {
-    const manifest = testReferrerIndexManifest()
-
-    const expectedJSON = `
-{
-  "schemaVersion": 2,
-  "mediaType": "application/vnd.oci.image.index.v1+json",
-  "manifests": [
-    {
-      "mediaType": "application/vnd.oci.image.manifest.v1+json",
-      "artifactType": "application/vnd.dev.sigstore.bundle.v0.3+json",
-      "size": 100,
-      "digest": "attDigest",
-      "annotations": {
-        "com.github.package.type": "actions_oci_pkg_attestation",
-        "org.opencontainers.image.created": "2021-01-01T00:00:00.000Z",
-        "dev.sigstore.bundle.content": "dsse-envelope",
-        "dev.sigstore.bundle.predicateType": "https://slsa.dev/provenance/v1"
-      }
-    }
-  ],
-  "annotations": {
-    "com.github.package.type": "actions_oci_pkg_referrer_index",
-    "org.opencontainers.image.created": "2021-01-01T00:00:00.000Z"
-  }
-}
-            `
-
-    const manifestJSON = JSON.stringify(manifest)
-
-    expect(manifestJSON).toEqual(expectedJSON.replace(/\s/g, ''))
-  })
-
-  it('uses the current time if no created date is provided', () => {
-    const manifest = testReferrerIndexManifest(false)
-    expect(
-      manifest.annotations['org.opencontainers.image.created']
-    ).toBeDefined()
-  })
-})
-
-function testActionPackageManifest(setCreated = true): {
-  manifest: OCIImageManifest
-  tarFile: FileMetadata
-  zipFile: FileMetadata
-} {
-  const date = new Date('2021-01-01T00:00:00Z')
-  const repo = 'test-org/test-repo'
-  const version = '1.2.3'
-  const repoId = '123'
-  const ownerId = '456'
-  const sourceCommit = 'abc'
-  const tarFile: FileMetadata = {
-    path: '/test/test/test.tar.gz',
-    sha256: 'tarSha',
-    size: 123
-  }
-  const zipFile: FileMetadata = {
-    path: '/test/test/test.zip',
-    sha256: 'zipSha',
-    size: 456
-  }
-
-  const manifest = createActionPackageManifest(
-    tarFile,
-    zipFile,
-    repo,
-    repoId,
-    ownerId,
-    sourceCommit,
-    version,
-    setCreated ? date : undefined
-  )
-
-  return {
-    manifest,
-    tarFile,
-    zipFile
-  }
-}
-
-function testAttestationManifest(setCreated = true): OCIImageManifest {
-  const date = new Date(createdTimestamp)
-  return createSigstoreAttestationManifest(
-    10,
-    'bundleDigest',
-    'application/vnd.dev.sigstore.bundle.v0.3+json',
-    'https://slsa.dev/provenance/v1',
-    100,
-    'subjectDigest',
-    setCreated ? date : undefined
-  )
-}
-
-function testReferrerIndexManifest(setCreated = true): OCIIndexManifest {
-  const date = new Date(createdTimestamp)
-  return createReferrerTagManifest(
-    'attDigest',
-    100,
-    'application/vnd.dev.sigstore.bundle.v0.3+json',
-    'https://slsa.dev/provenance/v1',
-    date,
-    setCreated ? date : undefined
-  )
-}

action.yml

@@ -6,19 +6,41 @@ branding:
   icon: 'heart'
   color: 'red'
 
-inputs:
-  github-token:
-    description: 'The GitHub actions token used to authenticate with GitHub APIs'
-    default: ${{ github.token }}
-
 outputs:
+  package-url:
+    description: 'The name of package published to GHCR along with semver. For example, https://ghcr.io/actions/package-action:1.0.1'
+    value: ${{steps.publish.outputs.package-url}}
+  package-manifest:
+    description: 'The package manifest of the published package in JSON format'
+    value: ${{steps.publish.outputs.package-manifest}}
   package-manifest-sha:
     description: 'A sha256 hash of the package manifest'
-  attestation-manifest-sha:
-    description: 'The sha256 of the provenance attestation uploaded to GHCR. This is not present if the package is not attested, e.g. in enterprise environments.'
-  referrer-index-manifest-sha:
-    description: 'The sha256 of the referrer index uploaded to GHCR. This is not present if the package is not attested, e.g. in enterprise environments.'
+    value: ${{steps.publish.outputs.package-manifest-sha}}
 
 runs:
-  using: node24
-  main: dist/index.js
+  using: 'composite'
+  steps:
+    - name: Publish Action Package
+      run: 'node ${{github.action_path}}/dist/index.js'
+      shell: bash
+      id: publish
+      env:
+        TOKEN: ${{ github.token }}
+        GITHUB_REPOSITORY: ${{ github.repository }}
+        GITHUB_REF: ${{ github.ref }}
+        GITHUB_SHA: ${{ github.sha }}
+    - name: Output variables
+      shell: bash
+      run: |
+        echo "package manifest": ${{steps.publish.outputs.package-manifest}}
+        echo "package manifest sha": ${{steps.publish.outputs.package-manifest-sha}}
+        echo "package url": ${{steps.publish.outputs.package-url}}
+        echo "subject name": ${{github.repository}}_${{github.ref}}
+    - name: Generate Provenance Attestation
+      uses: github-early-access/generate-build-provenance@main
+      id: build-provenance
+      if: endsWith(github.server_url, 'github.com') || endsWith(github.server_url, 'ghe.com')
+      with:
+        subject-name: ${{github.repository}}_${{github.ref}}
+        subject-digest: ${{steps.publish.outputs.package-manifest-sha}}
+        push-to-registry: false

badges/coverage.svg

@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="116" height="20" role="img" aria-label="Coverage: 97.06%"><title>Coverage: 97.06%</title><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="116" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="63" height="20" fill="#555"/><rect x="63" width="53" height="20" fill="#4c1"/><rect width="116" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><text aria-hidden="true" x="325" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="530">Coverage</text><text x="325" y="140" transform="scale(.1)" fill="#fff" textLength="530">Coverage</text><text aria-hidden="true" x="885" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="430">97.06%</text><text x="885" y="140" transform="scale(.1)" fill="#fff" textLength="430">97.06%</text></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="116" height="20" role="img" aria-label="Coverage: 93.96%"><title>Coverage: 93.96%</title><linearGradient id="s" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="r"><rect width="116" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="63" height="20" fill="#555"/><rect x="63" width="53" height="20" fill="#4c1"/><rect width="116" height="20" fill="url(#s)"/></g><g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110"><text aria-hidden="true" x="325" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="530">Coverage</text><text x="325" y="140" transform="scale(.1)" fill="#fff" textLength="530">Coverage</text><text aria-hidden="true" x="885" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="430">93.96%</text><text x="885" y="140" transform="scale(.1)" fill="#fff" textLength="430">93.96%</text></g></svg>

dist/api-client.js

@@ -0,0 +1,27 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getContainerRegistryURL = exports.getRepositoryMetadata = void 0;
+async function getRepositoryMetadata(repository, token) {
+    const response = await fetch(`${process.env.GITHUB_API_URL}/repos/${repository}`);
+    if (!response.ok) {
+        throw new Error(`Failed to fetch repository metadata: ${response.statusText}`);
+    }
+    const data = await response.json();
+    // Check that the response contains the expected data
+    if (!data.id || !data.owner.id) {
+        throw new Error(`Failed to fetch repository metadata: ${JSON.stringify(data)}`);
+    }
+    return { repoId: data.id, ownerId: data.owner.id };
+}
+exports.getRepositoryMetadata = getRepositoryMetadata;
+async function getContainerRegistryURL() {
+    const response = await fetch(`${process.env.GITHUB_API_URL}/packages/container-registry-url`);
+    if (!response.ok) {
+        throw new Error(`Failed to fetch status page: ${response.statusText}`);
+    }
+    const data = await response.json();
+    const registryURL = new URL(data.url);
+    return registryURL;
+}
+exports.getContainerRegistryURL = getContainerRegistryURL;
+//# sourceMappingURL=api-client.js.map

dist/api-client.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"api-client.js","sourceRoot":"","sources":["../src/api-client.ts"],"names":[],"mappings":";;;AAGO,KAAK,UAAU,qBAAqB,CAAC,UAAkB,EAAE,KAAa;IACzE,MAAM,QAAQ,GAAG,MAAM,KAAK,CAC1B,GAAG,OAAO,CAAC,GAAG,CAAC,cAAc,UAAU,UAAU,EAAE,CACpD,CAAA;IAED,IAAI,CAAC,QAAQ,CAAC,EAAE,EAAE,CAAC;QACjB,MAAM,IAAI,KAAK,CAAC,wCAAwC,QAAQ,CAAC,UAAU,EAAE,CAAC,CAAA;IAChF,CAAC;IAED,MAAM,IAAI,GAAG,MAAM,QAAQ,CAAC,IAAI,EAAE,CAAA;IAElC,qDAAqD;IACrD,IAAI,CAAC,IAAI,CAAC,EAAE,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE,EAAE,CAAC;QAC/B,MAAM,IAAI,KAAK,CAAC,wCAAwC,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,EAAE,CAAC,CAAA;IACjF,CAAC;IAED,OAAO,EAAE,MAAM,EAAE,IAAI,CAAC,EAAE,EAAE,OAAO,EAAE,IAAI,CAAC,KAAK,CAAC,EAAE,EAAE,CAAA;AACpD,CAAC;AAjBH,sDAiBG;AAEM,KAAK,UAAU,uBAAuB;IAC3C,MAAM,QAAQ,GAAG,MAAM,KAAK,CAC1B,GAAG,OAAO,CAAC,GAAG,CAAC,cAAc,kCAAkC,CAChE,CAAA;IACD,IAAI,CAAC,QAAQ,CAAC,EAAE,EAAE,CAAC;QACjB,MAAM,IAAI,KAAK,CAAC,gCAAgC,QAAQ,CAAC,UAAU,EAAE,CAAC,CAAA;IACxE,CAAC;IACD,MAAM,IAAI,GAAG,MAAM,QAAQ,CAAC,IAAI,EAAE,CAAA;IAClC,MAAM,WAAW,GAAQ,IAAI,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,CAAA;IAC1C,OAAO,WAAW,CAAA;AACpB,CAAC;AAVD,0DAUC"}

dist/fs-helper.js

@@ -0,0 +1,146 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.stageActionFiles = exports.readFileContents = exports.isDirectory = exports.createArchives = exports.removeDir = exports.createTempDir = void 0;
+const fs = __importStar(require("fs"));
+const fs_extra_1 = __importDefault(require("fs-extra"));
+const path = __importStar(require("path"));
+const tar = __importStar(require("tar"));
+const archiver = __importStar(require("archiver"));
+const crypto = __importStar(require("crypto"));
+const os = __importStar(require("os"));
+function createTempDir() {
+    const randomDirName = crypto.randomBytes(4).toString('hex');
+    const tempDir = path.join(os.tmpdir(), randomDirName);
+    if (!fs.existsSync(tempDir)) {
+        fs.mkdirSync(tempDir);
+    }
+    return tempDir;
+}
+exports.createTempDir = createTempDir;
+function removeDir(dir) {
+    if (fs.existsSync(dir)) {
+        fs.rmSync(dir, { recursive: true });
+    }
+}
+exports.removeDir = removeDir;
+// Creates both a tar.gz and zip archive of the given directory and returns the paths to both archives (stored in the provided target directory)
+// as well as the size/sha256 hash of each file.
+async function createArchives(distPath, archiveTargetPath = createTempDir()) {
+    const zipPath = path.join(archiveTargetPath, `archive.zip`);
+    const tarPath = path.join(archiveTargetPath, `archive.tar.gz`);
+    const createZipPromise = new Promise((resolve, reject) => {
+        const output = fs.createWriteStream(zipPath);
+        const archive = archiver.create('zip');
+        output.on('error', (err) => {
+            reject(err);
+        });
+        archive.on('error', (err) => {
+            reject(err);
+        });
+        output.on('close', () => {
+            resolve(fileMetadata(zipPath));
+        });
+        archive.pipe(output);
+        archive.directory(distPath, false); // TODO: make sure this doesn't include dirs that start with ., same with below
+        archive.finalize();
+    });
+    const createTarPromise = new Promise((resolve, reject) => {
+        tar
+            .c({
+            file: tarPath,
+            C: distPath, // Change to the source directory for relative paths (TODO)
+            gzip: true
+        }, ['.'])
+            // eslint-disable-next-line github/no-then
+            .catch(err => {
+            reject(err);
+        })
+            // eslint-disable-next-line github/no-then
+            .then(() => {
+            resolve(fileMetadata(tarPath));
+        });
+    });
+    const [zipFile, tarFile] = await Promise.all([
+        createZipPromise,
+        createTarPromise
+    ]);
+    return { zipFile, tarFile };
+}
+exports.createArchives = createArchives;
+function isDirectory(dirPath) {
+    return fs.existsSync(dirPath) && fs.lstatSync(dirPath).isDirectory();
+}
+exports.isDirectory = isDirectory;
+function readFileContents(filePath) {
+    return fs.readFileSync(filePath);
+}
+exports.readFileContents = readFileContents;
+// Copy actions files from sourceDir to targetDir, excluding files and folders not relevant to the action
+// Errors if the repo appears to not contain any action files, such as an action.yml file
+function stageActionFiles(actionDir, targetDir) {
+    var actionYmlFound = false;
+    fs_extra_1.default.copySync(actionDir, targetDir, {
+        filter: (src, dest) => {
+            const basename = path.basename(src);
+            if (basename === 'action.yml' || basename === 'action.yaml') {
+                actionYmlFound = true;
+            }
+            // Filter out hidden folers like .git and .github
+            return !basename.startsWith('.');
+        }
+    });
+    if (!actionYmlFound) {
+        throw new Error(`No action.yml or action.yaml file found in source repository`);
+    }
+}
+exports.stageActionFiles = stageActionFiles;
+// Converts a file path to a filemetadata object by querying the fs for relevant metadata.
+async function fileMetadata(filePath) {
+    const stats = fs.statSync(filePath);
+    const size = stats.size;
+    const hash = crypto.createHash('sha256');
+    const fileStream = fs.createReadStream(filePath);
+    return new Promise((resolve, reject) => {
+        fileStream.on('data', data => {
+            hash.update(data);
+        });
+        fileStream.on('end', () => {
+            const sha256 = hash.digest('hex');
+            resolve({
+                path: filePath,
+                size,
+                sha256: `sha256:${sha256}`
+            });
+        });
+        fileStream.on('error', err => {
+            reject(err);
+        });
+    });
+}
+//# sourceMappingURL=fs-helper.js.map

dist/fs-helper.js.map

@@ -0,0 +1 @@
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dist/ghcr-client.js

@@ -0,0 +1,154 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.publishOCIArtifact = void 0;
+const core = __importStar(require("@actions/core"));
+const axios_1 = __importDefault(require("axios"));
+const fsHelper = __importStar(require("./fs-helper"));
+const axios_debug_log_1 = __importDefault(require("axios-debug-log"));
+// Publish the OCI artifact and return the URL where it can be downloaded
+async function publishOCIArtifact(token, registry, repository, semver, zipFile, tarFile, manifest, debugRequests = false) {
+    if (debugRequests) {
+        configureRequestDebugLogging();
+    }
+    const b64Token = Buffer.from(token).toString('base64');
+    const checkBlobEndpoint = new URL(`v2/${repository}/blobs/`, registry).toString();
+    const uploadBlobEndpoint = new URL(`v2/${repository}/blobs/uploads/`, registry).toString();
+    const manifestEndpoint = new URL(`v2/${repository}/manifests/${semver}`, registry).toString();
+    core.info(`Creating GHCR package for release with semver:${semver} with path:"${zipFile.path}" and "${tarFile.path}".`);
+    const layerUploads = manifest.layers.map(async (layer) => {
+        switch (layer.mediaType) {
+            case 'application/vnd.github.actions.package.layer.v1.tar+gzip':
+                return uploadLayer(layer, tarFile, registry, checkBlobEndpoint, uploadBlobEndpoint, b64Token);
+            case 'application/vnd.github.actions.package.layer.v1.zip':
+                return uploadLayer(layer, zipFile, registry, checkBlobEndpoint, uploadBlobEndpoint, b64Token);
+            case 'application/vnd.github.actions.package.config.v1+json':
+                return uploadLayer(layer, { path: '', size: 0, sha256: layer.digest }, registry, checkBlobEndpoint, uploadBlobEndpoint, b64Token);
+            default:
+                throw new Error(`Unknown media type ${layer.mediaType}`);
+        }
+    });
+    await Promise.all(layerUploads);
+    const digest = await uploadManifest(JSON.stringify(manifest), manifestEndpoint, b64Token);
+    return { packageURL: new URL(`${repository}:${semver}`, registry), manifestDigest: digest };
+}
+exports.publishOCIArtifact = publishOCIArtifact;
+async function uploadLayer(layer, file, registryURL, checkBlobEndpoint, uploadBlobEndpoint, b64Token) {
+    const checkExistsResponse = await axios_1.default.head(checkBlobEndpoint + layer.digest, {
+        headers: {
+            Authorization: `Bearer ${b64Token}`
+        },
+        validateStatus: () => {
+            return true; // Allow non 2xx responses
+        }
+    });
+    if (checkExistsResponse.status === 200 ||
+        checkExistsResponse.status === 202) {
+        core.info(`Layer ${layer.digest} already exists. Skipping upload.`);
+        return;
+    }
+    if (checkExistsResponse.status !== 404) {
+        throw new Error(`Unexpected response from blob check for layer ${layer.digest}: ${checkExistsResponse.status} ${checkExistsResponse.statusText}`);
+    }
+    core.info(`Uploading layer ${layer.digest}.`);
+    const initiateUploadResponse = await axios_1.default.post(uploadBlobEndpoint, layer, {
+        headers: {
+            Authorization: `Bearer ${b64Token}`
+        },
+        validateStatus: () => {
+            return true; // Allow non 2xx responses
+        }
+    });
+    if (initiateUploadResponse.status !== 202) {
+        core.error(`Unexpected response from upload post ${uploadBlobEndpoint}: ${initiateUploadResponse.status}`);
+        throw new Error(`Unexpected response from POST upload ${initiateUploadResponse.status}`);
+    }
+    const locationResponseHeader = initiateUploadResponse.headers['location'];
+    if (locationResponseHeader === undefined) {
+        throw new Error(`No location header in response from upload post ${uploadBlobEndpoint} for layer ${layer.digest}`);
+    }
+    const pathname = `${locationResponseHeader}?digest=${layer.digest}`;
+    const uploadBlobUrl = new URL(pathname, registryURL).toString();
+    // TODO: must we handle the empty config layer? Maybe we can just skip calling this at all
+    let data;
+    if (file.size === 0) {
+        data = Buffer.alloc(0);
+    }
+    else {
+        data = fsHelper.readFileContents(file.path);
+    }
+    const putResponse = await axios_1.default.put(uploadBlobUrl, data, {
+        headers: {
+            Authorization: `Bearer ${b64Token}`,
+            'Content-Type': 'application/octet-stream',
+            'Accept-Encoding': 'gzip', // TODO: What about for the config layer?
+            'Content-Length': layer.size.toString()
+        },
+        validateStatus: () => {
+            return true; // Allow non 2xx responses
+        }
+    });
+    if (putResponse.status !== 201) {
+        throw new Error(`Unexpected response from PUT upload ${putResponse.status} for layer ${layer.digest}`);
+    }
+}
+// Uploads the manifest and returns the digest returned by GHCR
+async function uploadManifest(manifestJSON, manifestEndpoint, b64Token) {
+    core.info(`Uploading manifest to ${manifestEndpoint}.`);
+    const putResponse = await axios_1.default.put(manifestEndpoint, manifestJSON, {
+        headers: {
+            Authorization: `Bearer ${b64Token}`,
+            'Content-Type': 'application/vnd.oci.image.manifest.v1+json'
+        },
+        validateStatus: () => {
+            return true; // Allow non 2xx responses
+        }
+    });
+    if (putResponse.status !== 201) {
+        throw new Error(`Unexpected response from PUT manifest ${putResponse.status}`);
+    }
+    const digestResponseHeader = putResponse.headers['Docker-Content-Digest'];
+    if (digestResponseHeader === undefined) {
+        throw new Error(`No digest header in response from PUT manifest ${manifestEndpoint}`);
+    }
+    return digestResponseHeader;
+}
+function configureRequestDebugLogging() {
+    (0, axios_debug_log_1.default)({
+        request: (debug, config) => {
+            core.debug(`Request with ${config}`);
+        },
+        response: (debug, response) => {
+            core.debug(`Response with ${response}`);
+        },
+        error: (debug, error) => {
+            core.debug(`Error with ${error}`);
+        }
+    });
+}
+//# sourceMappingURL=ghcr-client.js.map

dist/ghcr-client.js.map

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dist/index.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;AAAA;;GAEG;AACH,iCAA4B;AAC5B,wDAA+B;AAE/B,MAAM,IAAI,GAAG,IAAA,kBAAQ,EAAC,OAAO,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,IAAI,IAAI,GAAG,CAAA;AACxD,mEAAmE;AACnE,IAAA,UAAG,EAAC,IAAI,CAAC,CAAA"}

dist/main.js

@@ -0,0 +1,115 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.run = void 0;
+const core = __importStar(require("@actions/core"));
+const github = __importStar(require("@actions/github"));
+const fsHelper = __importStar(require("./fs-helper"));
+const ociContainer = __importStar(require("./oci-container"));
+const ghcr = __importStar(require("./ghcr-client"));
+const api = __importStar(require("./api-client"));
+const semver_1 = __importDefault(require("semver"));
+/**
+ * The main function for the action.
+ * @returns {Promise<void>} Resolves when the action is complete.
+ */
+async function run(pathInput) {
+    const tmpDirs = [];
+    try {
+        const repository = process.env.GITHUB_REPOSITORY || '';
+        if (repository === '') {
+            core.setFailed(`Could not find Repository.`);
+            return;
+        }
+        const token = process.env.TOKEN || '';
+        const sourceCommit = process.env.GITHUB_SHA || '';
+        if (token === '') {
+            core.setFailed(`Could not find source commit.`);
+            return;
+        }
+        if (sourceCommit === '') {
+            core.setFailed(`Could not find source commit.`);
+            return;
+        }
+        const semanticVersion = parseSourceSemanticVersion();
+        // Create a temporary directory to stage files for packaging in archives
+        const stagedActionFilesDir = fsHelper.createTempDir();
+        tmpDirs.push(stagedActionFilesDir);
+        fsHelper.stageActionFiles(".", stagedActionFilesDir);
+        // Create a temporary directory to store the archives
+        const archiveDir = fsHelper.createTempDir();
+        tmpDirs.push(archiveDir);
+        const archives = await fsHelper.createArchives(stagedActionFilesDir, archiveDir);
+        const { repoId, ownerId } = await api.getRepositoryMetadata(repository, token);
+        const manifest = ociContainer.createActionPackageManifest(archives.tarFile, archives.zipFile, repository, repoId, ownerId, sourceCommit, semanticVersion.raw, new Date());
+        const containerRegistryURL = await api.getContainerRegistryURL();
+        console.log(`Container registry URL: ${containerRegistryURL}`);
+        const { packageURL, manifestDigest } = await ghcr.publishOCIArtifact(token, containerRegistryURL, repository, semanticVersion.raw, archives.zipFile, archives.tarFile, manifest, true);
+        core.setOutput('package-url', packageURL.toString());
+        core.setOutput('package-manifest', JSON.stringify(manifest));
+        core.setOutput('package-manifest-sha', `sha256:${manifestDigest}`);
+    }
+    catch (error) {
+        // Fail the workflow run if an error occurs
+        if (error instanceof Error)
+            core.setFailed(error.message);
+    }
+    finally {
+        // Clean up any temporary directories that exist
+        for (const tmpDir of tmpDirs) {
+            if (tmpDir !== '') {
+                fsHelper.removeDir(tmpDir);
+            }
+        }
+    }
+}
+exports.run = run;
+// This action can be triggered by release events or tag push events.
+// In each case, the source event should produce a Semantic Version compliant tag representing the code to be packaged.
+function parseSourceSemanticVersion() {
+    const event = github.context.eventName;
+    var semverTag = '';
+    // Grab the raw tag
+    if (event === 'release')
+        semverTag = github.context.payload.release.tag_name;
+    else if (event === 'push' && github.context.ref.startsWith('refs/tags/')) {
+        semverTag = github.context.ref.replace(/^refs\/tags\//, '');
+    }
+    else {
+        throw new Error(`This action can only be triggered by release events or tag push events.`);
+    }
+    if (semverTag === '') {
+        throw new Error(`Could not find a Semantic Version tag in the event payload.`);
+    }
+    const semanticVersion = semver_1.default.parse(semverTag.replace(/^v/, ''));
+    if (!semanticVersion) {
+        throw new Error(`${semverTag} is not a valid semantic version, and so cannot be uploaded as an Immutable Action.`);
+    }
+    return semanticVersion;
+}
+//# sourceMappingURL=main.js.map

dist/main.js.map

@@ -0,0 +1 @@
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dist/oci-container.js

@@ -0,0 +1,69 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createActionPackageManifest = void 0;
+// Given a name and archive metadata, creates a manifest in the format expected by GHCR for an Actions Package.
+function createActionPackageManifest(tarFile, zipFile, repository, repoId, ownerId, sourceCommit, version, created) {
+    const configLayer = createConfigLayer();
+    const sanitizedRepo = sanitizeRepository(repository);
+    const tarLayer = createTarLayer(tarFile, sanitizedRepo, version);
+    const zipLayer = createZipLayer(zipFile, sanitizedRepo, version);
+    const manifest = {
+        schemaVersion: 2,
+        mediaType: 'application/vnd.oci.image.manifest.v1+json',
+        artifactType: 'application/vnd.github.actions.package.v1+json',
+        config: configLayer,
+        layers: [configLayer, tarLayer, zipLayer],
+        annotations: {
+            'org.opencontainers.image.created': created.toISOString(),
+            'action.tar.gz.digest': tarFile.sha256,
+            'action.zip.digest': zipFile.sha256,
+            'com.github.package.type': 'actions_oci_pkg',
+            'com.github.package.version': version,
+            'com.github.source.repo.id': repoId,
+            'com.github.source.repo.owner.id': ownerId,
+            'com.github.source.commit': sourceCommit,
+        }
+    };
+    return manifest;
+}
+exports.createActionPackageManifest = createActionPackageManifest;
+// TODO: is this ok hardcoded?
+function createConfigLayer() {
+    const configLayer = {
+        mediaType: 'application/vnd.github.actions.package.config.v1+json',
+        size: 0,
+        digest: 'sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855',
+        annotations: {
+            'org.opencontainers.image.title': 'config.json'
+        }
+    };
+    return configLayer;
+}
+function createZipLayer(zipFile, repository, version) {
+    const zipLayer = {
+        mediaType: 'application/vnd.github.actions.package.layer.v1.zip',
+        size: zipFile.size,
+        digest: zipFile.sha256,
+        annotations: {
+            'org.opencontainers.image.title': `${repository}_${version}.zip`
+        }
+    };
+    return zipLayer;
+}
+function createTarLayer(tarFile, repository, version) {
+    const tarLayer = {
+        mediaType: 'application/vnd.github.actions.package.layer.v1.tar+gzip',
+        size: tarFile.size,
+        digest: tarFile.sha256,
+        annotations: {
+            'org.opencontainers.image.title': `${repository}_${version}.tar.gz`
+        }
+    };
+    return tarLayer;
+}
+// Remove slashes so we can use the repository in a filename
+// repository usually includes the namespace too, e.g. my-org/my-repo
+function sanitizeRepository(repository) {
+    return repository.replace('/', '-');
+}
+//# sourceMappingURL=oci-container.js.map

dist/oci-container.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"oci-container.js","sourceRoot":"","sources":["../src/oci-container.ts"],"names":[],"mappings":";;;AAkBA,+GAA+G;AAC/G,SAAgB,2BAA2B,CACzC,OAAqB,EACrB,OAAqB,EACrB,UAAkB,EAClB,MAAc,EACd,OAAe,EACf,YAAoB,EACpB,OAAe,EACf,OAAa;IAEb,MAAM,WAAW,GAAG,iBAAiB,EAAE,CAAA;IACvC,MAAM,aAAa,GAAG,kBAAkB,CAAC,UAAU,CAAC,CAAA;IACpD,MAAM,QAAQ,GAAG,cAAc,CAAC,OAAO,EAAE,aAAa,EAAE,OAAO,CAAC,CAAA;IAChE,MAAM,QAAQ,GAAG,cAAc,CAAC,OAAO,EAAE,aAAa,EAAE,OAAO,CAAC,CAAA;IAEhE,MAAM,QAAQ,GAAa;QACzB,aAAa,EAAE,CAAC;QAChB,SAAS,EAAE,4CAA4C;QACvD,YAAY,EAAE,gDAAgD;QAC9D,MAAM,EAAE,WAAW;QACnB,MAAM,EAAE,CAAC,WAAW,EAAE,QAAQ,EAAE,QAAQ,CAAC;QACzC,WAAW,EAAE;YACX,kCAAkC,EAAE,OAAO,CAAC,WAAW,EAAE;YACzD,sBAAsB,EAAE,OAAO,CAAC,MAAM;YACtC,mBAAmB,EAAE,OAAO,CAAC,MAAM;YACnC,yBAAyB,EAAE,iBAAiB;YAC5C,4BAA4B,EAAE,OAAO;YACrC,2BAA2B,EAAE,MAAM;YACnC,iCAAiC,EAAE,OAAO;YAC1C,0BAA0B,EAAE,YAAY;SACzC;KACF,CAAA;IAED,OAAO,QAAQ,CAAA;AACjB,CAAC;AAlCD,kEAkCC;AAED,8BAA8B;AAC9B,SAAS,iBAAiB;IACxB,MAAM,WAAW,GAAU;QACzB,SAAS,EAAE,uDAAuD;QAClE,IAAI,EAAE,CAAC;QACP,MAAM,EACJ,yEAAyE;QAC3E,WAAW,EAAE;YACX,gCAAgC,EAAE,aAAa;SAChD;KACF,CAAA;IAED,OAAO,WAAW,CAAA;AACpB,CAAC;AAED,SAAS,cAAc,CACrB,OAAqB,EACrB,UAAkB,EAClB,OAAe;IAEf,MAAM,QAAQ,GAAU;QACtB,SAAS,EAAE,qDAAqD;QAChE,IAAI,EAAE,OAAO,CAAC,IAAI;QAClB,MAAM,EAAE,OAAO,CAAC,MAAM;QACtB,WAAW,EAAE;YACX,gCAAgC,EAAE,GAAG,UAAU,IAAI,OAAO,MAAM;SACjE;KACF,CAAA;IAED,OAAO,QAAQ,CAAA;AACjB,CAAC;AAED,SAAS,cAAc,CACrB,OAAqB,EACrB,UAAkB,EAClB,OAAe;IAEf,MAAM,QAAQ,GAAU;QACtB,SAAS,EAAE,0DAA0D;QACrE,IAAI,EAAE,OAAO,CAAC,IAAI;QAClB,MAAM,EAAE,OAAO,CAAC,MAAM;QACtB,WAAW,EAAE;YACX,gCAAgC,EAAE,GAAG,UAAU,IAAI,OAAO,SAAS;SACpE;KACF,CAAA;IAED,OAAO,QAAQ,CAAA;AACjB,CAAC;AAED,4DAA4D;AAC5D,qEAAqE;AACrE,SAAS,kBAAkB,CAAC,UAAkB;IAC5C,OAAO,UAAU,CAAC,OAAO,CAAC,GAAG,EAAE,GAAG,CAAC,CAAA;AACrC,CAAC"}

package.json

@@ -21,7 +21,7 @@
     ".": "./dist/index.js"
   },
   "engines": {
-    "node": ">=24"
+    "node": ">=20"
   },
   "scripts": {
     "bundle": "npm run format:write && npm run package",
@@ -30,10 +30,9 @@
     "format:write": "prettier --write **/*.ts",
     "format:check": "prettier --check **/*.ts",
     "lint": "npx eslint . -c ./.github/linters/.eslintrc.yml",
-    "package": "rm -rf dist && ncc build src/index.ts --license licenses.txt",
+    "package": "ncc build src/index.ts --license licenses.txt",
     "package:watch": "npm run package -- --watch",
     "test": "jest",
-    "start": "node dist/index.js",
     "all": "npm run format:write && npm run lint && npm run test && npm run coverage && npm run package"
   },
   "license": "MIT",
@@ -67,38 +66,37 @@
     ]
   },
   "dependencies": {
-    "@actions/attest": "^1.4.0",
     "@actions/core": "^1.10.1",
     "@actions/exec": "^1.1.1",
     "@actions/github": "^6.0.0",
-    "@sigstore/oci": "^0.3.7",
     "@types/fs-extra": "^11.0.4",
-    "archiver": "^7.0.1",
+    "archiver": "^6.0.1",
+    "axios": "^1.6.2",
+    "axios-debug-log": "^1.0.0",
     "fs-extra": "^11.2.0",
-    "simple-git": "^3.22.0",
-    "tar": "^7.4.3"
+    "tar": "^6.2.0"
   },
   "devDependencies": {
     "@types/archiver": "^6.0.2",
     "@types/axios": "^0.14.0",
-    "@types/jest": "^29.5.12",
+    "@types/jest": "^29.5.11",
     "@types/minimist": "^1.2.5",
-    "@types/node": "^24.1.0",
-    "@types/tar": "^6.1.13",
-    "@typescript-eslint/eslint-plugin": "^6.21.0",
-    "@typescript-eslint/parser": "^6.21.0",
+    "@types/node": "^20.11.13",
+    "@types/tar": "^6.1.11",
+    "@typescript-eslint/eslint-plugin": "^6.20.0",
+    "@typescript-eslint/parser": "^6.19.0",
     "@vercel/ncc": "^0.38.1",
-    "eslint": "^8.57.0",
+    "eslint": "^8.54.0",
     "eslint-plugin-github": "^4.10.1",
-    "eslint-plugin-jest": "^28.6.0",
+    "eslint-plugin-jest": "^27.6.3",
     "eslint-plugin-jsonc": "^2.13.0",
-    "eslint-plugin-prettier": "^5.2.1",
+    "eslint-plugin-prettier": "^5.1.3",
     "jest": "^29.7.0",
     "js-yaml": "^4.1.0",
     "make-coverage-badge": "^1.2.0",
-    "prettier": "^3.3.3",
+    "prettier": "^3.2.4",
     "prettier-eslint": "^16.3.0",
-    "ts-jest": "^29.2.3",
-    "typescript": "^5.5.4"
+    "ts-jest": "^29.1.1",
+    "typescript": "^5.3.3"
   }
 }

script/release

@@ -22,8 +22,8 @@ latest_tag=$(git describe --tags "$(git rev-list --tags --max-count=1)")
 
 # if the latest_tag is empty, then there are no tags - let the user know
 if [[ -z "$latest_tag" ]]; then
-	echo -e "No tags found (yet) - continue to create your first tag and push it"
-	latest_tag="[unknown]"
+    echo -e "No tags found (yet) - continue to create your first tag and push it"
+    latest_tag="[unknown]"
 fi
 
 echo -e "The latest release tag is: ${BLUE}${latest_tag}${OFF}"
@@ -31,10 +31,10 @@ read -r -p 'New Release Tag (vX.X.X format): ' new_tag
 
 tag_regex='v[0-9]+\.[0-9]+\.[0-9]+$'
 if echo "$new_tag" | grep -q -E "$tag_regex"; then
-	echo -e "Tag: ${BLUE}$new_tag${OFF} is valid"
+    echo -e "Tag: ${BLUE}$new_tag${OFF} is valid"
 else
-	echo -e "Tag: ${BLUE}$new_tag${OFF} is ${RED}not valid${OFF} (must be in vX.X.X format)"
-	exit 1
+    echo -e "Tag: ${BLUE}$new_tag${OFF} is ${RED}not valid${OFF} (must be in vX.X.X format)"
+    exit 1
 fi
 
 git tag -a "$new_tag" -m "$new_tag Release"

src/api-client.ts

@@ -1,15 +1,17 @@
 export async function getRepositoryMetadata(
-  githubAPIURL: string,
   repository: string,
   token: string
-): Promise<{ repoId: string; ownerId: string; visibility: string }> {
-  const response = await fetch(`${githubAPIURL}/repos/${repository}`, {
-    method: 'GET',
-    headers: {
-      Authorization: `Bearer ${token}`,
-      Accept: 'application/vnd.github.v3+json'
+): Promise<{ repoId: string; ownerId: string }> {
+  const response = await fetch(
+    `${process.env.GITHUB_API_URL}/repos/${repository}`,
+    {
+      method: 'GET',
+      headers: {
+        Authorization: `Bearer ${token}`,
+        Accept: 'application/vnd.github.v3+json'
+      }
     }
-  })
+  )
 
   if (!response.ok) {
     throw new Error(
@@ -26,26 +28,12 @@ export async function getRepositoryMetadata(
     )
   }
 
-  return {
-    repoId: String(data.id),
-    ownerId: String(data.owner.id),
-    visibility: String(data.visibility)
-  }
+  return { repoId: String(data.id), ownerId: String(data.owner.id) }
 }
 
-export async function getContainerRegistryURL(
-  githubAPIURL: string,
-  token: string
-): Promise<URL> {
+export async function getContainerRegistryURL(): Promise<URL> {
   const response = await fetch(
-    `${githubAPIURL}/packages/container-registry-url`,
-    {
-      method: 'GET',
-      headers: {
-        Authorization: `Bearer ${token}`,
-        Accept: 'application/vnd.github.v3+json'
-      }
-    }
+    `${process.env.GITHUB_API_URL}/packages/container-registry-url`
   )
   if (!response.ok) {
     throw new Error(

src/config.ts

@@ -1,157 +0,0 @@
-import * as apiClient from './api-client'
-import * as core from '@actions/core'
-import * as github from '@actions/github'
-
-// All the environment options required to run the action
-export interface PublishActionOptions {
-  // The name of the repository in the format owner/repo
-  nameWithOwner: string
-  // The GitHub token to use for API requests
-  token: string
-  // The base URL for the GitHub API
-  apiBaseUrl: string
-  // The base URL for the GitHub Container Registry
-  containerRegistryUrl: URL
-  // The directory where the action is running, used for git operations
-  workspaceDir: string
-  // The directory set up to be used for temporary files by the runner
-  runnerTempDir: string
-  // Whether this action is running in enterprise, determined from the github URL
-  isEnterprise: boolean
-  // The visibility of the action repository ("public", "internal" or "private")
-  repositoryVisibility: string
-  // The repository ID of the action repository
-  repositoryId: string
-  // The owner ID of the action repository
-  repositoryOwnerId: string
-  // The event that triggered the action
-  event: string
-  // The ref that triggered the action, associated with the event
-  ref: string
-  // The commit SHA associated with the ref that triggered the action
-  sha: string
-}
-
-export async function resolvePublishActionOptions(): Promise<PublishActionOptions> {
-  // Action Inputs
-  const token: string = core.getInput('github-token') || ''
-  if (token === '') {
-    throw new Error(`Could not find GITHUB_TOKEN.`)
-  }
-
-  // Context Inputs
-  const event: string = github.context.eventName
-  if (event === '') {
-    throw new Error(`Could not find event name.`)
-  }
-
-  const ref: string = github.context.ref || ''
-  if (ref === '') {
-    throw new Error(`Could not find GITHUB_REF.`)
-  }
-
-  const nameWithOwner: string =
-    github.context.payload.repository?.full_name || ''
-  if (nameWithOwner === '') {
-    throw new Error(`Could not find Repository.`)
-  }
-
-  const sha: string = github.context.sha || ''
-  if (sha === '') {
-    throw new Error(`Could not find GITHUB_SHA.`)
-  }
-
-  const apiBaseUrl: string = github.context.apiUrl || ''
-  if (apiBaseUrl === '') {
-    throw new Error(`Could not find GITHUB_API_URL.`)
-  }
-
-  const githubServerUrl = github.context.serverUrl || ''
-  if (githubServerUrl === '') {
-    throw new Error(`Could not find GITHUB_SERVER_URL.`)
-  }
-
-  // Environment Variables
-  const workspaceDir: string = process.env.GITHUB_WORKSPACE || ''
-  if (workspaceDir === '') {
-    throw new Error(`Could not find GITHUB_WORKSPACE.`)
-  }
-
-  const runnerTempDir: string = process.env.RUNNER_TEMP || ''
-  if (runnerTempDir === '') {
-    throw new Error(`Could not find RUNNER_TEMP.`)
-  }
-
-  const repositoryId = process.env.GITHUB_REPOSITORY_ID || ''
-  if (repositoryId === '') {
-    throw new Error(`Could not find GITHUB_REPOSITORY_ID.`)
-  }
-
-  const repositoryOwnerId = process.env.GITHUB_REPOSITORY_OWNER_ID || ''
-  if (repositoryOwnerId === '') {
-    throw new Error(`Could not find GITHUB_REPOSITORY_OWNER_ID.`)
-  }
-
-  // Required Values fetched from the GitHub API
-  const containerRegistryUrl: URL = await apiClient.getContainerRegistryURL(
-    apiBaseUrl,
-    token
-  )
-
-  const isEnterprise =
-    !githubServerUrl.includes('https://github.com') &&
-    !githubServerUrl.endsWith('.ghe.com')
-
-  const repoMetadata = await apiClient.getRepositoryMetadata(
-    apiBaseUrl,
-    nameWithOwner,
-    token
-  )
-
-  if (repoMetadata.visibility === '') {
-    throw new Error(`Could not find repository visibility.`)
-  }
-
-  if (repoMetadata.repoId !== repositoryId) {
-    throw new Error(`Repository ID mismatch.`)
-  }
-
-  if (repoMetadata.ownerId !== repositoryOwnerId) {
-    throw new Error(`Repository Owner ID mismatch.`)
-  }
-
-  const repositoryVisibility = repoMetadata.visibility
-
-  return {
-    event,
-    ref,
-    workspaceDir,
-    nameWithOwner,
-    token,
-    apiBaseUrl,
-    runnerTempDir,
-    sha,
-    containerRegistryUrl,
-    isEnterprise,
-    repositoryVisibility,
-    repositoryId,
-    repositoryOwnerId
-  }
-}
-
-// When printing this object, we want to hide some of them from being displayed
-const internalKeys = new Set<string>([
-  'token',
-  'runnerTempDir',
-  'repositoryId',
-  'repositoryOwnerId'
-])
-
-export function serializeOptions(options: PublishActionOptions): string {
-  return JSON.stringify(
-    options,
-    (key: string, value: unknown) =>
-      internalKeys.has(key) ? undefined : value,
-    2 // 2 spaces for pretty-printing
-  )
-}

src/fs-helper.ts

@@ -4,7 +4,6 @@ import * as path from 'path'
 import * as tar from 'tar'
 import * as archiver from 'archiver'
 import * as crypto from 'crypto'
-import * as simpleGit from 'simple-git'
 
 export interface FileMetadata {
   path: string
@@ -12,12 +11,12 @@ export interface FileMetadata {
   sha256: string
 }
 
-// Simple convenience around creating subdirectories in the same base temporary directory
-export function createTempDir(tmpDirPath: string, subDirName: string): string {
-  const tempDir = path.join(tmpDirPath, subDirName)
+export function createTempDir(subDirName: string): string {
+  const runnerTempDir: string = process.env.RUNNER_TEMP || ''
+  const tempDir = path.join(runnerTempDir, subDirName)
 
   if (!fs.existsSync(tempDir)) {
-    fs.mkdirSync(tempDir, { recursive: true })
+    fs.mkdirSync(tempDir)
   }
 
   return tempDir
@@ -49,7 +48,7 @@ export async function createArchives(
     })
 
     archive.pipe(output)
-    archive.directory(distPath, 'action')
+    archive.directory(distPath, false) // TODO: make sure this doesn't include dirs that start with ., same with below
     archive.finalize()
   })
 
@@ -58,9 +57,8 @@ export async function createArchives(
       .c(
         {
           file: tarPath,
-          C: distPath,
-          gzip: true,
-          prefix: 'action'
+          C: distPath, // Change to the source directory for relative paths (TODO)
+          gzip: true
         },
         ['.']
       )
@@ -90,73 +88,27 @@ export function readFileContents(filePath: string): Buffer {
   return fs.readFileSync(filePath)
 }
 
-// Copy actions files from sourceDir to targetDir, excluding the .git folder.
+// Copy actions files from sourceDir to targetDir, excluding files and folders not relevant to the action
+// Errors if the repo appears to not contain any action files, such as an action.yml file
 export function stageActionFiles(actionDir: string, targetDir: string): void {
+  let actionYmlFound = false
+
   fsExtra.copySync(actionDir, targetDir, {
     filter: (src: string) => {
       const basename = path.basename(src)
 
-      // Filter out the .git folder.
-      if (basename === '.git') {
-        return false
+      if (basename === 'action.yml' || basename === 'action.yaml') {
+        actionYmlFound = true
       }
 
-      return true
+      // Filter out hidden folers like .git and .github
+      return basename === '.' || !basename.startsWith('.')
     }
   })
-}
 
-// Ensure the correct SHA is checked out for the tag by inspecting the git metadata in the workspace
-// and comparing it to the information actions provided us.
-// Provided ref should be in format refs/tags/<tagname>.
-export async function ensureTagAndRefCheckedOut(
-  tagRef: string,
-  expectedSha: string,
-  gitDir: string
-): Promise<void> {
-  if (!tagRef.startsWith('refs/tags/')) {
-    throw new Error(`Tag ref provided is not in expected format.`)
-  }
-
-  const git: simpleGit.SimpleGit = simpleGit.simpleGit(gitDir)
-
-  let tagCommitSha: string
-
-  try {
-    tagCommitSha = await git.raw(['rev-parse', '--verify', tagRef])
-  } catch (err) {
-    throw new Error(`Error retrieving commit associated with tag: ${err}`)
-  }
-  if (tagCommitSha.trim() !== expectedSha) {
+  if (!actionYmlFound) {
     throw new Error(
-      `The commit associated with the tag ${tagRef} does not match the SHA of the commit provided by the actions context.`
-    )
-  }
-
-  let currentlyCheckedOutSha: string
-  try {
-    currentlyCheckedOutSha = await git.revparse(['HEAD'])
-  } catch (err) {
-    throw new Error(`Error validating checked out tag and ref: ${err}`)
-  }
-  if (currentlyCheckedOutSha.trim() !== expectedSha) {
-    throw new Error(
-      `The expected commit associated with the tag ${tagRef} is not checked out.`
-    )
-  }
-
-  // Call git status to check for any changes in the working directory
-  // This version of this action only supports uploading actions packages
-  // which contain the same content as the repository at the appropriate source commit.
-  let status: simpleGit.StatusResult
-  try {
-    status = await git.status()
-  } catch (err) {
-    throw new Error(`Error checking git status: ${err}`)
-  }
-  if (!status.isClean()) {
-    throw new Error(
-      `The working directory has uncommitted changes. Uploading modified code from the checked out repository is not supported by this action.`
+      `No action.yml or action.yaml file found in source repository`
     )
   }
 }

src/ghcr-client.ts

@@ -1,358 +1,227 @@
 import * as core from '@actions/core'
+import { FileMetadata } from './fs-helper'
 import * as ociContainer from './oci-container'
+import axios from 'axios'
+import * as fsHelper from './fs-helper'
+import axiosDebugLog from 'axios-debug-log'
 
-const defaultRetries = 5
-const defaultBackoff = 1000
-const retryableStatusCodes = [408, 429, 500, 502, 503, 504]
-
-export interface RetryOptions {
-  retries: number
-  backoff: number
-}
-
-export class Client {
-  private _b64Token: string
-  private _registry: URL
-  private _retryOptions: RetryOptions
-
-  constructor(
-    token: string,
-    registry: URL,
-    retryOptions: RetryOptions = {
-      retries: defaultRetries,
-      backoff: defaultBackoff
-    }
-  ) {
-    this._b64Token = Buffer.from(token).toString('base64')
-    this._registry = registry
-    this._retryOptions = retryOptions
+// Publish the OCI artifact and return the URL where it can be downloaded
+export async function publishOCIArtifact(
+  token: string,
+  registry: URL,
+  repository: string,
+  semver: string,
+  zipFile: FileMetadata,
+  tarFile: FileMetadata,
+  manifest: ociContainer.Manifest,
+  debugRequests = false
+): Promise<{ packageURL: URL; manifestDigest: string }> {
+  if (debugRequests) {
+    configureRequestDebugLogging()
   }
 
-  async uploadOCIImageManifest(
-    repository: string,
-    manifest: ociContainer.OCIImageManifest,
-    blobs: Map<string, Buffer>,
-    tag?: string
-  ): Promise<string> {
-    const manifestSHA = ociContainer.sha256Digest(manifest)
+  const b64Token = Buffer.from(token).toString('base64')
 
-    if (tag) {
-      core.info(
-        `Uploading manifest ${manifestSHA} with tag ${tag} to ${repository}.`
-      )
-    } else {
-      core.info(`Uploading manifest ${manifestSHA} to ${repository}.`)
-    }
+  const checkBlobEndpoint = new URL(
+    `v2/${repository}/blobs/`,
+    registry
+  ).toString()
+  const uploadBlobEndpoint = new URL(
+    `v2/${repository}/blobs/uploads/`,
+    registry
+  ).toString()
+  const manifestEndpoint = new URL(
+    `v2/${repository}/manifests/${semver}`,
+    registry
+  ).toString()
 
-    // We must also upload the config layer
-    const layersToUpload = manifest.layers.concat(manifest.config)
-
-    const layerUploads: Promise<void>[] = layersToUpload.map(async layer => {
-      const blob = blobs.get(layer.digest)
-      if (!blob) {
-        throw new Error(`Blob for layer ${layer.digest} not found`)
-      }
-      return this.uploadLayer(layer, blob, repository)
-    })
-
-    await Promise.all(layerUploads)
-
-    const publishedDigest = await this.uploadManifest(
-      JSON.stringify(manifest),
-      manifest.mediaType,
-      repository,
-      tag || manifestSHA
-    )
-
-    if (publishedDigest !== manifestSHA) {
-      throw new Error(
-        `Digest mismatch. Expected ${manifestSHA}, got ${publishedDigest}.`
-      )
-    }
-
-    return manifestSHA
-  }
-
-  async uploadOCIIndexManifest(
-    repository: string,
-    manifest: ociContainer.OCIIndexManifest,
-    tag: string
-  ): Promise<string> {
-    const manifestSHA = ociContainer.sha256Digest(manifest)
-
-    core.info(
-      `Uploading index manifest ${manifestSHA} with tag ${tag} to ${repository}.`
-    )
-
-    const publishedDigest = await this.uploadManifest(
-      JSON.stringify(manifest),
-      manifest.mediaType,
-      repository,
-      tag
-    )
-
-    if (publishedDigest !== manifestSHA) {
-      throw new Error(
-        `Digest mismatch. Expected ${manifestSHA}, got ${publishedDigest}.`
-      )
-    }
-
-    return manifestSHA
-  }
-
-  private async uploadLayer(
-    layer: ociContainer.Descriptor,
-    data: Buffer,
-    repository: string
-  ): Promise<void> {
-    const checkExistsResponse = await this.fetchWithRetries(
-      this.checkBlobEndpoint(repository, layer.digest),
-      {
-        method: 'HEAD',
-        headers: {
-          Authorization: `Bearer ${this._b64Token}`
-        }
-      }
-    )
-
-    if (
-      checkExistsResponse.status === 200 ||
-      checkExistsResponse.status === 202
-    ) {
-      core.info(`Layer ${layer.digest} already exists. Skipping upload.`)
-      return
-    }
-
-    if (checkExistsResponse.status !== 404) {
-      throw new Error(
-        await errorMessageForFailedRequest(
-          `check blob (${layer.digest}) exists`,
-          checkExistsResponse
-        )
-      )
-    }
-
-    core.info(`Uploading layer ${layer.digest}.`)
-
-    const initiateUploadBlobURL = this.uploadBlobEndpoint(repository)
-
-    const initiateUploadResponse = await this.fetchWithRetries(
-      initiateUploadBlobURL,
-      {
-        method: 'POST',
-        headers: {
-          Authorization: `Bearer ${this._b64Token}`
-        },
-        body: JSON.stringify(layer)
-      }
-    )
-
-    if (initiateUploadResponse.status !== 202) {
-      throw new Error(
-        await errorMessageForFailedRequest(
-          `initiate layer upload`,
-          initiateUploadResponse
-        )
-      )
-    }
-
-    const locationResponseHeader =
-      initiateUploadResponse.headers.get('location')
-    if (locationResponseHeader === undefined) {
-      throw new Error(
-        `No location header in response from upload post ${initiateUploadBlobURL} for layer ${layer.digest}`
-      )
-    }
-
-    const pathname = `${locationResponseHeader}?digest=${layer.digest}`
-    const uploadBlobUrl = new URL(pathname, this._registry).toString()
-
-    const putResponse = await this.fetchWithRetries(uploadBlobUrl, {
-      method: 'PUT',
-      headers: {
-        Authorization: `Bearer ${this._b64Token}`,
-        'Content-Type': 'application/octet-stream',
-        'Accept-Encoding': 'gzip',
-        'Content-Length': layer.size.toString()
-      },
-      body: data
-    })
-
-    if (putResponse.status !== 201) {
-      throw new Error(
-        await errorMessageForFailedRequest(
-          `layer (${layer.digest}) upload`,
-          putResponse
-        )
-      )
-    }
-  }
-
-  // Uploads the manifest and returns the digest returned by GHCR
-  private async uploadManifest(
-    manifestJSON: string,
-    manifestMediaType: string,
-    repository: string,
-    version: string
-  ): Promise<string> {
-    const manifestUrl = this.manifestEndpoint(repository, version)
-
-    core.info(`Uploading manifest to ${manifestUrl}.`)
-
-    const putResponse = await this.fetchWithRetries(manifestUrl, {
-      method: 'PUT',
-      headers: {
-        Authorization: `Bearer ${this._b64Token}`,
-        'Content-Type': manifestMediaType
-      },
-      body: manifestJSON
-    })
-
-    if (putResponse.status !== 201) {
-      throw new Error(
-        await errorMessageForFailedRequest(`manifest upload`, putResponse)
-      )
-    }
-
-    const digestResponseHeader =
-      putResponse.headers.get('docker-content-digest') || ''
-
-    return digestResponseHeader
-  }
-
-  private checkBlobEndpoint(repository: string, digest: string): string {
-    return new URL(
-      `v2/${repository}/blobs/${digest}`,
-      this._registry
-    ).toString()
-  }
-
-  private uploadBlobEndpoint(repository: string): string {
-    return new URL(`v2/${repository}/blobs/uploads/`, this._registry).toString()
-  }
-
-  private manifestEndpoint(repository: string, version: string): string {
-    return new URL(
-      `v2/${repository}/manifests/${version}`,
-      this._registry
-    ).toString()
-  }
-
-  private async fetchWithDebug(
-    url: string,
-    config: RequestInit = {}
-  ): Promise<Response> {
-    core.debug(`Request from ${url} with config: ${JSON.stringify(config)}`)
-    try {
-      const response = await fetch(url, config)
-      core.debug(`Response with ${JSON.stringify(response)}`)
-      return response
-    } catch (error) {
-      core.debug(`Error with ${error}`)
-      throw error
-    }
-  }
-
-  private async fetchWithRetries(
-    url: string,
-    config: RequestInit = {}
-  ): Promise<Response> {
-    const allowedAttempts = this._retryOptions.retries + 1 // Initial attempt + retries
-
-    for (
-      let attemptNumber = 1;
-      attemptNumber <= allowedAttempts;
-      attemptNumber++
-    ) {
-      let backoff = this._retryOptions.backoff
-
-      try {
-        const response = await this.fetchWithDebug(url, config)
-
-        // If this is the last attempt, just return it
-        if (attemptNumber === allowedAttempts) {
-          return response
-        }
-
-        // If the response is retryable, backoff and retry
-        if (retryableStatusCodes.includes(response.status)) {
-          const retryAfter = response.headers.get('retry-after')
-          if (retryAfter) {
-            backoff = parseInt(retryAfter) * 1000 // convert to ms
-          }
-
-          core.info(
-            `Received ${response.status} response. Retrying after ${backoff}ms...`
-          )
-          await new Promise(resolve => setTimeout(resolve, backoff))
-          continue
-        }
-
-        // Otherwise, just return the response
-        return response
-      } catch (error) {
-        // If this is the last attempt, throw the error
-        if (attemptNumber === allowedAttempts) {
-          throw error
-        }
-
-        core.info(`Encountered error: ${error}. Retrying after ${backoff}ms...`)
-        await new Promise(resolve => setTimeout(resolve, backoff))
-      }
-    }
-
-    // Should be unreachable
-    throw new Error('Exhausted retries without a successful response')
-  }
-}
-
-interface ghcrError {
-  code: string
-  message: string
-}
-
-// Generate an error message for a failed HTTP request
-async function errorMessageForFailedRequest(
-  requestDescription: string,
-  response: Response
-): Promise<string> {
-  const bodyText = await response.text()
-
-  // Try to parse the body as JSON and extract the expected fields returned from GHCR
-  // Expected format: { "errors": [{"code": "BAD_REQUEST", "message": "Something went wrong."}] }
-  // If the body does not match the expected format, just return the whole response body
-  let errorString = `Response Body: ${bodyText}.`
-
-  try {
-    const body = JSON.parse(bodyText)
-    const errors = body.errors
-
-    if (
-      Array.isArray(errors) &&
-      errors.length > 0 &&
-      errors.every(isGHCRError)
-    ) {
-      const errorMessages = errors.map((error: ghcrError) => {
-        return `${error.code} - ${error.message}`
-      })
-      errorString = `Errors: ${errorMessages.join(', ')}`
-    }
-  } catch (error) {
-    // Ignore error
-  }
-
-  return `Unexpected ${response.status} ${response.statusText} response from ${requestDescription}. ${errorString}`
-}
-
-// Runtime checks that parsed JSON object is in the expected format
-// {"code": "BAD_REQUEST", "message": "Something went wrong."}
-function isGHCRError(obj: unknown): boolean {
-  return (
-    typeof obj === 'object' &&
-    obj !== null &&
-    'code' in obj &&
-    typeof (obj as { code: unknown }).code === 'string' &&
-    'message' in obj &&
-    typeof (obj as { message: unknown }).message === 'string'
+  core.info(
+    `Creating GHCR package for release with semver:${semver} with path:"${zipFile.path}" and "${tarFile.path}".`
   )
+
+  const layerUploads: Promise<void>[] = manifest.layers.map(async layer => {
+    switch (layer.mediaType) {
+      case 'application/vnd.github.actions.package.layer.v1.tar+gzip':
+        return uploadLayer(
+          layer,
+          tarFile,
+          registry,
+          checkBlobEndpoint,
+          uploadBlobEndpoint,
+          b64Token
+        )
+      case 'application/vnd.github.actions.package.layer.v1.zip':
+        return uploadLayer(
+          layer,
+          zipFile,
+          registry,
+          checkBlobEndpoint,
+          uploadBlobEndpoint,
+          b64Token
+        )
+      case 'application/vnd.github.actions.package.config.v1+json':
+        return uploadLayer(
+          layer,
+          { path: '', size: 0, sha256: layer.digest },
+          registry,
+          checkBlobEndpoint,
+          uploadBlobEndpoint,
+          b64Token
+        )
+      default:
+        throw new Error(`Unknown media type ${layer.mediaType}`)
+    }
+  })
+
+  await Promise.all(layerUploads)
+
+  const digest = await uploadManifest(
+    JSON.stringify(manifest),
+    manifestEndpoint,
+    b64Token
+  )
+
+  return {
+    packageURL: new URL(`${repository}:${semver}`, registry),
+    manifestDigest: digest
+  }
+}
+
+async function uploadLayer(
+  layer: ociContainer.Layer,
+  file: FileMetadata,
+  registryURL: URL,
+  checkBlobEndpoint: string,
+  uploadBlobEndpoint: string,
+  b64Token: string
+): Promise<void> {
+  const checkExistsResponse = await axios.head(
+    checkBlobEndpoint + layer.digest,
+    {
+      headers: {
+        Authorization: `Bearer ${b64Token}`
+      },
+      validateStatus: () => {
+        return true // Allow non 2xx responses
+      }
+    }
+  )
+
+  if (
+    checkExistsResponse.status === 200 ||
+    checkExistsResponse.status === 202
+  ) {
+    core.info(`Layer ${layer.digest} already exists. Skipping upload.`)
+    return
+  }
+
+  if (checkExistsResponse.status !== 404) {
+    throw new Error(
+      `Unexpected response from blob check for layer ${layer.digest}: ${checkExistsResponse.status} ${checkExistsResponse.statusText}`
+    )
+  }
+
+  core.info(`Uploading layer ${layer.digest}.`)
+
+  const initiateUploadResponse = await axios.post(uploadBlobEndpoint, layer, {
+    headers: {
+      Authorization: `Bearer ${b64Token}`
+    },
+    validateStatus: () => {
+      return true // Allow non 2xx responses
+    }
+  })
+
+  if (initiateUploadResponse.status !== 202) {
+    core.error(
+      `Unexpected response from upload post ${uploadBlobEndpoint}: ${initiateUploadResponse.status}`
+    )
+    throw new Error(
+      `Unexpected response from POST upload ${initiateUploadResponse.status}`
+    )
+  }
+
+  const locationResponseHeader = initiateUploadResponse.headers['location']
+  if (locationResponseHeader === undefined) {
+    throw new Error(
+      `No location header in response from upload post ${uploadBlobEndpoint} for layer ${layer.digest}`
+    )
+  }
+
+  const pathname = `${locationResponseHeader}?digest=${layer.digest}`
+  const uploadBlobUrl = new URL(pathname, registryURL).toString()
+
+  // TODO: must we handle the empty config layer? Maybe we can just skip calling this at all
+  let data: Buffer
+  if (file.size === 0) {
+    data = Buffer.alloc(0)
+  } else {
+    data = fsHelper.readFileContents(file.path)
+  }
+
+  const putResponse = await axios.put(uploadBlobUrl, data, {
+    headers: {
+      Authorization: `Bearer ${b64Token}`,
+      'Content-Type': 'application/octet-stream',
+      'Accept-Encoding': 'gzip', // TODO: What about for the config layer?
+      'Content-Length': layer.size.toString()
+    },
+    validateStatus: () => {
+      return true // Allow non 2xx responses
+    }
+  })
+
+  if (putResponse.status !== 201) {
+    throw new Error(
+      `Unexpected response from PUT upload ${putResponse.status} for layer ${layer.digest}`
+    )
+  }
+}
+
+// Uploads the manifest and returns the digest returned by GHCR
+async function uploadManifest(
+  manifestJSON: string,
+  manifestEndpoint: string,
+  b64Token: string
+): Promise<string> {
+  core.info(`Uploading manifest to ${manifestEndpoint}.`)
+
+  const putResponse = await axios.put(manifestEndpoint, manifestJSON, {
+    headers: {
+      Authorization: `Bearer ${b64Token}`,
+      'Content-Type': 'application/vnd.oci.image.manifest.v1+json'
+    },
+    validateStatus: () => {
+      return true // Allow non 2xx responses
+    }
+  })
+
+  if (putResponse.status !== 201) {
+    throw new Error(
+      `Unexpected response from PUT manifest ${putResponse.status}`
+    )
+  }
+
+  const digestResponseHeader = putResponse.headers['docker-content-digest']
+  if (digestResponseHeader === undefined) {
+    throw new Error(
+      `No digest header in response from PUT manifest ${manifestEndpoint}`
+    )
+  }
+
+  return digestResponseHeader
+}
+
+function configureRequestDebugLogging(): void {
+  axiosDebugLog({
+    request: (debug, config) => {
+      core.debug(`Request with ${config}`)
+    },
+    response: (debug, response) => {
+      core.debug(`Response with ${response}`)
+    },
+    error: (debug, error) => {
+      core.debug(`Error with ${error}`)
+    }
+  })
 }

src/main.ts

@@ -1,11 +1,10 @@
 import * as core from '@actions/core'
-import semver from 'semver'
+import * as github from '@actions/github'
 import * as fsHelper from './fs-helper'
 import * as ociContainer from './oci-container'
 import * as ghcr from './ghcr-client'
-import * as attest from '@actions/attest'
-import * as cfg from './config'
-import * as crypto from 'crypto'
+import * as api from './api-client'
+import semver from 'semver'
 
 /**
  * The main function for the action.
@@ -13,263 +12,103 @@ import * as crypto from 'crypto'
  */
 export async function run(): Promise<void> {
   try {
-    const options: cfg.PublishActionOptions =
-      await cfg.resolvePublishActionOptions()
+    const repository: string = process.env.GITHUB_REPOSITORY || ''
+    if (repository === '') {
+      core.setFailed(`Could not find Repository.`)
+      return
+    }
 
-    core.info(`Publishing action package version with options:`)
-    core.info(cfg.serializeOptions(options))
+    const token: string = process.env.TOKEN || ''
+    const sourceCommit: string = process.env.GITHUB_SHA || ''
+    if (token === '') {
+      core.setFailed(`Could not find GITHUB_TOKEN.`)
+      return
+    }
+    if (sourceCommit === '') {
+      core.setFailed(`Could not find source commit.`)
+      return
+    }
 
-    const semverTag: semver.SemVer = parseSemverTagFromRef(options)
+    const semanticVersion = parseSourceSemanticVersion()
 
-    // Ensure the correct SHA is checked out for the tag we're parsing, otherwise the bundled content will be incorrect.
-    await fsHelper.ensureTagAndRefCheckedOut(
-      options.ref,
-      options.sha,
-      options.workspaceDir
-    )
+    // Create a temporary directory to stage files for packaging in archives
+    const stagedActionFilesDir = fsHelper.createTempDir('staging')
+    fsHelper.stageActionFiles('.', stagedActionFilesDir)
 
-    const stagedActionFilesDir = fsHelper.createTempDir(
-      options.runnerTempDir,
-      'staging'
-    )
-    fsHelper.stageActionFiles(options.workspaceDir, stagedActionFilesDir)
-
-    const archiveDir = fsHelper.createTempDir(options.runnerTempDir, 'archives')
+    // Create a temporary directory to store the archives
+    const archiveDir = fsHelper.createTempDir('archive')
     const archives = await fsHelper.createArchives(
       stagedActionFilesDir,
       archiveDir
     )
 
+    const { repoId, ownerId } = await api.getRepositoryMetadata(
+      repository,
+      token
+    )
+
     const manifest = ociContainer.createActionPackageManifest(
       archives.tarFile,
       archives.zipFile,
-      options.nameWithOwner,
-      options.repositoryId,
-      options.repositoryOwnerId,
-      options.sha,
-      semverTag.raw,
+      repository,
+      repoId,
+      ownerId,
+      sourceCommit,
+      semanticVersion.raw,
       new Date()
     )
 
-    const manifestDigest = ociContainer.sha256Digest(manifest)
+    const containerRegistryURL = await api.getContainerRegistryURL()
+    console.log(`Container registry URL: ${containerRegistryURL}`)
 
-    const ghcrClient = new ghcr.Client(
-      options.token,
-      options.containerRegistryUrl
-    )
-
-    // Attestations are not supported in GHES.
-    if (!options.isEnterprise) {
-      const { bundle, bundleDigest, bundleMediaType, bundlePredicateType } =
-        await generateAttestation(manifestDigest, semverTag.raw, options)
-
-      const attestationCreated = new Date()
-      const attestationManifest =
-        ociContainer.createSigstoreAttestationManifest(
-          bundle.length,
-          bundleDigest,
-          bundleMediaType,
-          bundlePredicateType,
-          ociContainer.sizeInBytes(manifest),
-          manifestDigest,
-          attestationCreated
-        )
-
-      const referrerIndexManifest = ociContainer.createReferrerTagManifest(
-        ociContainer.sha256Digest(attestationManifest),
-        ociContainer.sizeInBytes(attestationManifest),
-        bundleMediaType,
-        bundlePredicateType,
-        attestationCreated
-      )
-
-      const { attestationSHA, referrerIndexSHA } = await publishAttestation(
-        ghcrClient,
-        options.nameWithOwner,
-        bundle,
-        bundleDigest,
-        manifest,
-        attestationManifest,
-        referrerIndexManifest
-      )
-
-      if (attestationSHA !== undefined) {
-        core.info(`Uploaded attestation ${attestationSHA}`)
-        core.setOutput('attestation-manifest-sha', attestationSHA)
-      }
-      if (referrerIndexSHA !== undefined) {
-        core.info(`Uploaded referrer index ${referrerIndexSHA}`)
-        core.setOutput('referrer-index-manifest-sha', referrerIndexSHA)
-      }
-    }
-
-    const publishedDigest = await publishImmutableActionVersion(
-      ghcrClient,
-      options.nameWithOwner,
-      semverTag.raw,
+    const { packageURL, manifestDigest } = await ghcr.publishOCIArtifact(
+      token,
+      containerRegistryURL,
+      repository,
+      semanticVersion.raw,
       archives.zipFile,
       archives.tarFile,
-      manifest
+      manifest,
+      true
     )
 
-    core.setOutput('package-manifest-sha', publishedDigest)
+    core.setOutput('package-url', packageURL.toString())
+    core.setOutput('package-manifest', JSON.stringify(manifest))
+    core.setOutput('package-manifest-sha', manifestDigest)
   } catch (error) {
     // Fail the workflow run if an error occurs
     if (error instanceof Error) core.setFailed(error.message)
   }
 }
 
-// This action can be triggered by any workflow that specifies a tag as its GITHUB_REF.
-// This includes releases, creating or pushing tags, or workflow_dispatch.
-// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#about-events-that-trigger-workflows.
-function parseSemverTagFromRef(opts: cfg.PublishActionOptions): semver.SemVer {
-  const ref = opts.ref
+// This action can be triggered by release events or tag push events.
+// In each case, the source event should produce a Semantic Version compliant tag representing the code to be packaged.
+function parseSourceSemanticVersion(): semver.SemVer {
+  const event = github.context.eventName
+  let semverTag = ''
 
-  if (!ref.startsWith('refs/tags/')) {
-    throw new Error(`The ref ${ref} is not a valid tag reference.`)
-  }
-
-  const rawTag = ref.replace(/^refs\/tags\//, '')
-  const semverTag = semver.parse(rawTag.replace(/^v/, ''))
-  if (!semverTag) {
+  // Grab the raw tag
+  if (event === 'release') semverTag = github.context.payload.release.tag_name
+  else if (event === 'push' && github.context.ref.startsWith('refs/tags/')) {
+    semverTag = github.context.ref.replace(/^refs\/tags\//, '')
+  } else {
     throw new Error(
-      `${rawTag} is not a valid semantic version tag, and so cannot be uploaded to the action package.`
+      `This action can only be triggered by release events or tag push events.`
     )
   }
 
-  return semverTag
-}
-
-async function publishImmutableActionVersion(
-  client: ghcr.Client,
-  nameWithOwner: string,
-  semverTag: string,
-  zipFile: fsHelper.FileMetadata,
-  tarFile: fsHelper.FileMetadata,
-  manifest: ociContainer.OCIImageManifest
-): Promise<string> {
-  const manifestDigest = ociContainer.sha256Digest(manifest)
-
-  core.info(
-    `Creating GHCR package ${manifestDigest} for release with semver: ${semverTag}.`
-  )
-
-  const files = new Map<string, Buffer>()
-  files.set(zipFile.sha256, fsHelper.readFileContents(zipFile.path))
-  files.set(tarFile.sha256, fsHelper.readFileContents(tarFile.path))
-  files.set(ociContainer.emptyConfigSha, Buffer.from('{}'))
-
-  return await client.uploadOCIImageManifest(
-    nameWithOwner,
-    manifest,
-    files,
-    semverTag
-  )
-}
-
-async function publishAttestation(
-  client: ghcr.Client,
-  nameWithOwner: string,
-  bundle: Buffer,
-  bundleDigest: string,
-  subjectManifest: ociContainer.OCIImageManifest,
-  attestationManifest: ociContainer.OCIImageManifest,
-  referrerIndexManifest: ociContainer.OCIIndexManifest
-): Promise<{
-  attestationSHA: string
-  referrerIndexSHA: string
-}> {
-  const attestationManifestDigest =
-    ociContainer.sha256Digest(attestationManifest)
-  const subjectManifestDigest = ociContainer.sha256Digest(subjectManifest)
-  const referrerIndexManifestDigest = ociContainer.sha256Digest(
-    referrerIndexManifest
-  )
-
-  core.info(
-    `Publishing attestation ${attestationManifestDigest} for subject ${subjectManifestDigest}.`
-  )
-
-  const files = new Map<string, Buffer>()
-  files.set(ociContainer.emptyConfigSha, Buffer.from('{}'))
-  files.set(bundleDigest, bundle)
-
-  const attestationSHA = await client.uploadOCIImageManifest(
-    nameWithOwner,
-    attestationManifest,
-    files
-  )
-
-  // The referrer index is tagged with the subject's digest in format sha256-<digest>
-  const referrerTag = subjectManifestDigest.replace(':', '-')
-
-  core.info(
-    `Publishing referrer index ${referrerIndexManifestDigest} with tag ${referrerTag} for attestation ${attestationManifestDigest} and subject ${subjectManifestDigest}.`
-  )
-
-  const referrerIndexSHA = await client.uploadOCIIndexManifest(
-    nameWithOwner,
-    referrerIndexManifest,
-    referrerTag
-  )
-
-  return { attestationSHA, referrerIndexSHA }
-}
-
-async function generateAttestation(
-  manifestDigest: string,
-  semverTag: string,
-  options: cfg.PublishActionOptions
-): Promise<{
-  bundle: Buffer
-  bundleDigest: string
-  bundleMediaType: string
-  bundlePredicateType: string
-}> {
-  const subjectName = `${options.nameWithOwner}@${semverTag}`
-  const subjectDigest = removePrefix(manifestDigest, 'sha256:')
-
-  core.info(`Generating attestation ${subjectName} for digest ${subjectDigest}`)
-
-  const attestation = await attest.attestProvenance({
-    subjectName,
-    subjectDigest: { sha256: subjectDigest },
-    token: options.token,
-    sigstore: 'github',
-    skipWrite: true // We will upload attestations to GHCR
-  })
-
-  const bundleArtifact = Buffer.from(JSON.stringify(attestation.bundle))
-
-  const hash = crypto.createHash('sha256')
-  hash.update(bundleArtifact)
-  const bundleSHA = hash.digest('hex')
-
-  // We must base64 decode the dsse envelope to grab the predicate type
-  const dsseEnvelopeArtifact = attestation.bundle.dsseEnvelope
-  if (dsseEnvelopeArtifact === undefined) {
-    throw new Error('Attestation bundle is missing dsseEnvelope artifact')
+  if (semverTag === '') {
+    throw new Error(
+      `Could not find a Semantic Version tag in the event payload.`
+    )
   }
 
-  const dsseEnvelope = JSON.parse(
-    Buffer.from(dsseEnvelopeArtifact.payload, 'base64').toString('utf-8')
-  )
-  const predicateType = dsseEnvelope.predicateType
-  if (predicateType === undefined) {
-    throw new Error('Attestation bundle is missing predicateType')
+  const semanticVersion = semver.parse(semverTag.replace(/^v/, ''))
+  if (!semanticVersion) {
+    throw new Error(
+      `${semverTag} is not a valid semantic version, and so cannot be uploaded as an Immutable Action.`
+    )
   }
 
-  return {
-    bundle: bundleArtifact,
-    bundleDigest: `sha256:${bundleSHA}`,
-    bundleMediaType: attestation.bundle.mediaType,
-    bundlePredicateType: predicateType
-  }
-}
-
-function removePrefix(str: string, prefix: string): string {
-  if (str.startsWith(prefix)) {
-    return str.slice(prefix.length)
-  }
-  return str
+  return semanticVersion
 }

src/oci-container.ts

@@ -1,50 +1,19 @@
 import { FileMetadata } from './fs-helper'
-import * as crypto from 'crypto'
 
-export const imageIndexMediaType = 'application/vnd.oci.image.index.v1+json'
-export const imageManifestMediaType =
-  'application/vnd.oci.image.manifest.v1+json'
-export const actionsPackageMediaType =
-  'application/vnd.github.actions.package.v1+json'
-export const actionsPackageTarLayerMediaType =
-  'application/vnd.github.actions.package.layer.v1.tar+gzip'
-export const actionsPackageZipLayerMediaType =
-  'application/vnd.github.actions.package.layer.v1.zip'
-
-export const actionPackageAnnotationValue = 'actions_oci_pkg'
-export const actionPackageAttestationAnnotationValue =
-  'actions_oci_pkg_attestation'
-export const actionPackageReferrerTagAnnotationValue =
-  'actions_oci_pkg_referrer_index'
-
-export const ociEmptyMediaType = 'application/vnd.oci.empty.v1+json'
-export const emptyConfigSize = 2
-export const emptyConfigSha =
-  'sha256:44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a'
-
-export interface OCIImageManifest {
+export interface Manifest {
   schemaVersion: number
   mediaType: string
   artifactType: string
-  config: Descriptor
-  layers: Descriptor[]
-  subject?: Descriptor
+  config: Layer
+  layers: Layer[]
   annotations: { [key: string]: string }
 }
 
-export interface OCIIndexManifest {
-  schemaVersion: number
-  mediaType: string
-  manifests: Descriptor[]
-  annotations: { [key: string]: string }
-}
-
-export interface Descriptor {
+export interface Layer {
   mediaType: string
   size: number
   digest: string
-  artifactType?: string
-  annotations?: { [key: string]: string }
+  annotations: { [key: string]: string }
 }
 
 // Given a name and archive metadata, creates a manifest in the format expected by GHCR for an Actions Package.
@@ -56,24 +25,24 @@ export function createActionPackageManifest(
   ownerId: string,
   sourceCommit: string,
   version: string,
-  created: Date = new Date()
-): OCIImageManifest {
-  const configLayer = createEmptyConfigLayer()
+  created: Date
+): Manifest {
+  const configLayer = createConfigLayer()
   const sanitizedRepo = sanitizeRepository(repository)
   const tarLayer = createTarLayer(tarFile, sanitizedRepo, version)
   const zipLayer = createZipLayer(zipFile, sanitizedRepo, version)
 
-  const manifest: OCIImageManifest = {
+  const manifest: Manifest = {
     schemaVersion: 2,
-    mediaType: imageManifestMediaType,
-    artifactType: actionsPackageMediaType,
+    mediaType: 'application/vnd.oci.image.manifest.v1+json',
+    artifactType: 'application/vnd.github.actions.package.v1+json',
     config: configLayer,
-    layers: [tarLayer, zipLayer],
+    layers: [configLayer, tarLayer, zipLayer],
     annotations: {
       'org.opencontainers.image.created': created.toISOString(),
       'action.tar.gz.digest': tarFile.sha256,
       'action.zip.digest': zipFile.sha256,
-      'com.github.package.type': actionPackageAnnotationValue,
+      'com.github.package.type': 'actions_oci_pkg',
       'com.github.package.version': version,
       'com.github.source.repo.id': repoId,
       'com.github.source.repo.owner.id': ownerId,
@@ -84,109 +53,18 @@ export function createActionPackageManifest(
   return manifest
 }
 
-export function createSigstoreAttestationManifest(
-  bundleSize: number,
-  bundleDigest: string,
-  bundleMediaType: string,
-  bundlePredicateType: string,
-  subjectSize: number,
-  subjectDigest: string,
-  created: Date = new Date()
-): OCIImageManifest {
-  const configLayer = createEmptyConfigLayer()
-
-  const sigstoreAttestationLayer: Descriptor = {
-    mediaType: bundleMediaType,
-    size: bundleSize,
-    digest: bundleDigest
-  }
-
-  const subject: Descriptor = {
-    mediaType: imageManifestMediaType,
-    size: subjectSize,
-    digest: subjectDigest
-  }
-
-  const manifest: OCIImageManifest = {
-    schemaVersion: 2,
-    mediaType: imageManifestMediaType,
-    artifactType: bundleMediaType,
-    config: configLayer,
-    layers: [sigstoreAttestationLayer],
-    subject,
-
+// TODO: is this ok hardcoded?
+function createConfigLayer(): Layer {
+  const configLayer: Layer = {
+    mediaType: 'application/vnd.github.actions.package.config.v1+json',
+    size: 0,
+    digest:
+      'sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855',
     annotations: {
-      'dev.sigstore.bundle.content': 'dsse-envelope',
-      'dev.sigstore.bundle.predicateType': bundlePredicateType,
-      'com.github.package.type': actionPackageAttestationAnnotationValue,
-      'org.opencontainers.image.created': created.toISOString()
+      'org.opencontainers.image.title': 'config.json'
     }
   }
 
-  return manifest
-}
-
-export function createReferrerTagManifest(
-  attestationDigest: string,
-  attestationSize: number,
-  bundleMediaType: string,
-  bundlePredicateType: string,
-  attestationCreated: Date,
-  created: Date = new Date()
-): OCIIndexManifest {
-  const manifest: OCIIndexManifest = {
-    schemaVersion: 2,
-    mediaType: imageIndexMediaType,
-    manifests: [
-      {
-        mediaType: imageManifestMediaType,
-        artifactType: bundleMediaType,
-        size: attestationSize,
-        digest: attestationDigest,
-        annotations: {
-          'com.github.package.type': actionPackageAttestationAnnotationValue,
-          'org.opencontainers.image.created': attestationCreated.toISOString(),
-          'dev.sigstore.bundle.content': 'dsse-envelope',
-          'dev.sigstore.bundle.predicateType': bundlePredicateType
-        }
-      }
-    ],
-    annotations: {
-      'com.github.package.type': actionPackageReferrerTagAnnotationValue,
-      'org.opencontainers.image.created': created.toISOString()
-    }
-  }
-
-  return manifest
-}
-
-// Calculate the SHA256 digest of a given manifest.
-// This should match the digest which the GitHub container registry calculates for this manifest.
-export function sha256Digest(
-  manifest: OCIImageManifest | OCIIndexManifest
-): string {
-  const data = JSON.stringify(manifest)
-  const buffer = Buffer.from(data, 'utf8')
-  const hash = crypto.createHash('sha256')
-  hash.update(buffer)
-  const hexHash = hash.digest('hex')
-  return `sha256:${hexHash}`
-}
-
-export function sizeInBytes(
-  manifest: OCIImageManifest | OCIIndexManifest
-): number {
-  const data = JSON.stringify(manifest)
-  return Buffer.byteLength(data, 'utf8')
-}
-
-export function createEmptyConfigLayer(): Descriptor {
-  const configLayer: Descriptor = {
-    mediaType: ociEmptyMediaType,
-    size: emptyConfigSize,
-    digest: emptyConfigSha
-  }
-
   return configLayer
 }
 
@@ -194,9 +72,9 @@ function createZipLayer(
   zipFile: FileMetadata,
   repository: string,
   version: string
-): Descriptor {
-  const zipLayer: Descriptor = {
-    mediaType: actionsPackageZipLayerMediaType,
+): Layer {
+  const zipLayer: Layer = {
+    mediaType: 'application/vnd.github.actions.package.layer.v1.zip',
     size: zipFile.size,
     digest: zipFile.sha256,
     annotations: {
@@ -211,9 +89,9 @@ function createTarLayer(
   tarFile: FileMetadata,
   repository: string,
   version: string
-): Descriptor {
-  const tarLayer: Descriptor = {
-    mediaType: actionsPackageTarLayerMediaType,
+): Layer {
+  const tarLayer: Layer = {
+    mediaType: 'application/vnd.github.actions.package.layer.v1.tar+gzip',
     size: tarFile.size,
     digest: tarFile.sha256,
     annotations: {