Rename

github/download-previous-artifacts/download-previous-artifacts.js

@@ -0,0 +1,67 @@
+module.exports = async ({
+    github,
+    context,
+    core
+}) => {
+    const owner = context.repo.owner;
+    const repo = context.repo.repo;
+
+    // See: https://docs.github.com/en/rest/actions/workflows?apiVersion=2022-11-28#list-repository-workflows
+    const workflows = await github.rest.actions.listRepoWorkflows({
+        owner,
+        repo
+    })
+
+    const workflow = workflows.data.workflows.find(w => w.path.includes(process.env.WORKFLOW_FILENAME));
+
+    if (!workflow) {
+        core.setFailed("No matching workflow found.");
+        return;
+    }
+
+    // See: https://docs.github.com/en/rest/actions/workflow-runs?apiVersion=2022-11-28#list-workflow-runs-for-a-repository
+    const runs = await github.rest.actions.listWorkflowRuns({
+        owner,
+        repo,
+        workflow_id: workflow.id,
+        status: "success",
+        per_page: 1
+    })
+
+    if (runs.data.total_count === 0) {
+        core.setFailed("No workflow runs found.");
+        return;
+    }
+
+    // See: https://docs.github.com/en/rest/actions/artifacts?apiVersion=2022-11-28#list-workflow-run-artifacts
+    const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
+        owner,
+        repo,
+        run_id: runs.data.workflow_runs[0].id
+    });
+
+    // Other formats are not supported by the GitHub API for downloading artifacts.
+    const extension = "zip"
+    const artifact = artifacts.data.artifacts.find(artifact => artifact.name === process.env.ARTIFACT_NAME);
+    if (artifact) {
+        // See: https://docs.github.com/en/rest/actions/artifacts?apiVersion=2022-11-28#download-an-artifact
+        const response = await github.rest.actions.downloadArtifact({
+            owner,
+            repo,
+            artifact_id: artifact.id,
+            archive_format: extension
+        });
+
+        const artifactFilename = process.env.ARTIFACT_FILENAME || `${artifact.name}.${extension}`;
+        require('fs').writeFileSync(artifactFilename, Buffer.from(response.data));
+        console.log("Artifact downloaded successfully.");
+        const unzip_dir = process.env.UNZIP_DIR;
+        if (unzip_dir) {
+            console.log("Unzipping artifact to directory: %s", unzip_dir);
+            require('child_process').execSync(`unzip -o ${artifactFilename} -d ${process.env.UNZIP_DIR}`);
+        }
+
+    } else {
+        core.setFailed("No artifact found.");
+    }
+}