Adding command line support to run this action from other CI

src/executable/cli.ts

@@ -0,0 +1,66 @@
+import { Snapshot, submitSnapshot } from '@github/dependency-submission-toolkit';
+import { generateSnapshot } from '../snapshot-generator';
+import pkg from '../../package.json';
+
+const { program } = require('commander');
+program.name('maven-dependency-submission');
+program.version(pkg.version);
+
+program.requiredOption('-t, --token <token>', 'GitHub access token');
+program.requiredOption('-r --repository <repository>', 'GitHub repository, owner/repo_name format');
+program.requiredOption('-b --branch-ref <ref>', 'GitHub repository branch reference');
+program.requiredOption('-s --sha <commitSha>', 'GitHub repository commit SHA');
+
+program.option('-d --directory <maven-project-directory>', 'the directory containing the Maven POM file', '.');
+program.option('--github-api-url <url>', 'GitHub API URL', 'https://api.github.com');
+program.option('-j --job-name <jobName>', 'Optional name for the activity creating and submitting the graph', 'maven-dependency-submission-cli');
+program.option('-i --run-id <jobName>', 'Optional Run ID number for the activity that is providing the graph');
+
+program.parse(process.argv);
+
+async function execute() {
+  const opts = program.opts();
+
+  // Inject some required environment variables like the Actions INPUTs and special environment variables
+  process.env['INPUT_TOKEN'] = opts.token;
+  process.env['GITHUB_REPOSITORY'] = opts.repository;
+
+  let snapshot: Snapshot | undefined;
+  try {
+    // Build a fake GitHub Actions context so that values for the submission APIs can be retrieved
+    const context = {
+      sha: opts.sha,
+      ref: opts.branchRef,
+    };
+
+    const job = {
+      correlator: opts.jobName,
+      id: `${opts.runId || Date.now()}`
+    };
+
+    snapshot = await generateSnapshot(opts.directory, context, job);
+
+  } catch (err: any) {
+    console.error(`Failed to generate a dependency snapshot, check logs for more details, ${err}`);
+    console.log(err.stack);
+    console.error(err.message);
+    program.help({ error: true });
+    process.exit(1);
+  }
+
+  if (snapshot) {
+    console.log(`Submitting Snapshot...`);
+    try {
+      await submitSnapshot(snapshot);
+      console.log(`completed.`)
+    } catch (err: any) {
+      console.error(`Failed to submit the dependency snapshot, check logs for more details, ${err}`);
+      console.log(err.stack);
+      console.error(err.message);
+      program.help({ error: true });
+      process.exit(1);
+    }
+  }
+}
+
+execute();