Initial test of download previous artifacts.

github/github-download-previous-artifacts/action.yaml

@@ -0,0 +1,38 @@
+name: github-download-previous-artifacts
+description: "Download artifacts from a previous Workflow run."
+inputs:
+  workflowPattern:
+    description: "Pattern of the workflow name to match."
+    required: true
+  filePattern:
+    description: "Pattern of the artifacts to match."
+    required: true
+    default: "*"
+  artifactName:
+    description: "Name of the artifact when it is downloaded. If not specified, the artifact will be named what the artifact is named."
+    required: false
+    default: ""
+  unzipDir:
+    description: "Directory to unzip the artifacts into. If not specified, the artifacts will not be unzipped."
+    required: false
+    default: ""
+outputs:
+  query:
+    description: "The query result."
+    value: ${{ steps.query.outputs.console }}
+runs:
+  using: "composite"
+  steps:
+  - name: "Download artifacts."
+    uses: https://github.com/actions/github-script@v6
+    continue-on-error: true
+    env:
+      WORKFLOW_FILENAME: ${{ inputs.workflowPattern }}
+      ARTIFACT_NAME: ${{ inputs.filePattern }}
+      ARTIFACT_FILENAME: ${{ inputs.artifactName }}
+      UNZIP_DIR: ${{ inputs.unzipDir }}
+    with:
+      script: |
+        const script = require('${{ github.action_path }}/download-previous-artifact.js')
+        await script({github, context, core})
+      shell: node