@actions/artifact download artifacts (#340)

* Download Artifacts using @actions/artifact

packages/artifact/src/internal-config-variables.ts

@@ -10,6 +10,15 @@ export function getUploadChunkSize(): number {
   return 4 * 1024 * 1024 // 4 MB Chunks
 }
 
+export function getDownloadFileConcurrency(): number {
+  return 2
+}
+
+export function getDownloadArtifactConcurrency(): number {
+  // when downloading all artifact at once, this is number of concurrent artifacts being downloaded
+  return 1
+}
+
 export function getRuntimeToken(): string {
   const token = process.env['ACTIONS_RUNTIME_TOKEN']
   if (!token) {
@@ -33,3 +42,11 @@ export function getWorkFlowRunId(): string {
   }
   return workFlowRunId
 }
+
+export function getWorkSpaceDirectory(): string {
+  const workspaceDirectory = process.env['GITHUB_WORKSPACE']
+  if (!workspaceDirectory) {
+    throw new Error('Unable to get GITHUB_WORKSPACE env variable')
+  }
+  return workspaceDirectory
+}