fix: tolerate missing artifacts and reuse-bundle collisions

.github/workflows/ingest-results.yml

@@ -56,23 +56,31 @@ jobs:
                   sleep "$attempt"
                 done
                 if [ "$ok" = false ]; then
-                  echo "::error::Failed to download artifact after 3 attempts: ${name} — skipping"
+                  echo "::warning::Failed to download artifact after 3 attempts: ${name} — skipping"
                   rm -f artifact.zip
-                  echo 1 >> "$ARTIFACTS_PATH/.failures"
+                  echo "$name" >> "$ARTIFACTS_PATH/.failures"
                   continue
                 fi
                 mkdir -p "${ARTIFACTS_PATH}/${name}"
-                unzip -o artifact.zip -d "${ARTIFACTS_PATH}/${name}"
-                rm artifact.zip
+                if ! unzip -o artifact.zip -d "${ARTIFACTS_PATH}/${name}"; then
+                  echo "::warning::Failed to extract artifact: ${name} — skipping"
+                  rm -rf "${ARTIFACTS_PATH:?}/${name}"
+                  echo "$name" >> "$ARTIFACTS_PATH/.failures"
+                fi
+                rm -f artifact.zip
               done
 
-          echo "Downloaded artifacts:"
-          ls "$ARTIFACTS_PATH/"
-
           if [ -f "$ARTIFACTS_PATH/.failures" ]; then
             count=$(wc -l < "$ARTIFACTS_PATH/.failures")
             rm "$ARTIFACTS_PATH/.failures"
-            echo "::error::${count} artifact(s) failed to download"
+            echo "::warning::${count} artifact(s) failed to download; ingesting what's available"
+          fi
+
+          echo "Downloaded artifacts:"
+          ls "$ARTIFACTS_PATH/"
+
+          if [ -z "$(ls -A "$ARTIFACTS_PATH")" ]; then
+            echo "::error::No artifacts could be downloaded from run ${RUN_ID}"
             exit 1
           fi
 
@@ -92,8 +100,9 @@ jobs:
             name=$(basename "$child")
             dest="$ARTIFACTS_PATH/$name"
             if [ -e "$dest" ]; then
-              echo "::error::Cannot flatten reused artifact '$name'; destination already exists"
-              exit 1
+              echo "::warning::Skipping reused artifact '$name'; the run has a fresher copy"
+              rm -rf "$child"
+              continue
             fi
             mv "$child" "$dest"
             echo "  $name"

packages/db/src/etl/reused-ingest-metadata.test.ts

@@ -113,13 +113,23 @@ describe('flattenReusedIngestArtifactBundle', () => {
     expect(readReusedIngestMetadata(root)?.sourceRunId).toBe('25763435778');
   });
 
-  it('rejects flattening when it would overwrite an existing artifact', () => {
+  it('keeps the run-local artifact when a reused artifact collides', () => {
     const root = tempDir();
     fs.mkdirSync(path.join(root, 'results_bmk'));
+    fs.writeFileSync(path.join(root, 'results_bmk', 'fresh.json'), '[]');
     fs.mkdirSync(path.join(root, 'reused-ingest-artifacts', 'results_bmk'), {
       recursive: true,
     });
+    fs.writeFileSync(
+      path.join(root, 'reused-ingest-artifacts', 'results_bmk', 'reused.json'),
+      '[]',
+    );
+    fs.mkdirSync(path.join(root, 'reused-ingest-artifacts', 'run-stats'), { recursive: true });
 
-    expect(() => flattenReusedIngestArtifactBundle(root)).toThrow(/destination already exists/u);
+    expect(flattenReusedIngestArtifactBundle(root)).toEqual(['run-stats']);
+    expect(fs.existsSync(path.join(root, 'reused-ingest-artifacts'))).toBe(false);
+    expect(fs.existsSync(path.join(root, 'run-stats'))).toBe(true);
+    expect(fs.existsSync(path.join(root, 'results_bmk', 'fresh.json'))).toBe(true);
+    expect(fs.existsSync(path.join(root, 'results_bmk', 'reused.json'))).toBe(false);
   });
 });

packages/db/src/etl/reused-ingest-metadata.ts

@@ -19,7 +19,11 @@ export function flattenReusedIngestArtifactBundle(rootDir: string): string[] {
     const source = path.join(bundleDir, name);
     const dest = path.join(rootDir, name);
     if (fs.existsSync(dest)) {
-      throw new Error(`Cannot flatten reused artifact '${name}'; destination already exists`);
+      // The run re-produced this artifact itself; the fresh copy wins over
+      // the one reused from the source run.
+      console.warn(`  [WARN] Skipping reused artifact '${name}'; the run has a fresher copy`);
+      fs.rmSync(source, { recursive: true, force: true });
+      continue;
     }
     fs.renameSync(source, dest);
     moved.push(name);