Add schedule event support to get-image-metadata action and fix cleanup errors

Co-authored-by: neilime <314088+neilime@users.noreply.github.com>

Author: Copilot

.github/workflows/__test-action-docker-prune-pull-requests-image-tags.yml

@@ -225,10 +225,19 @@ jobs:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
             const packages = process.env.PACKAGES.split("\n").map(packageName => packageName.trim()).filter(Boolean);
-            await Promise.all(packages.map(packageName => {
-              return github.rest.packages.deletePackageForOrg({
-                package_type: 'container',
-                package_name: packageName,
-                org: process.env.GITHUB_REPOSITORY_OWNER,
-              });
+            await Promise.all(packages.map(async (packageName) => {
+              try {
+                return await github.rest.packages.deletePackageForOrg({
+                  package_type: 'container',
+                  package_name: packageName,
+                  org: process.env.GITHUB_REPOSITORY_OWNER,
+                });
+              } catch (error) {
+                // Ignore 404 errors (package not found)
+                if (error.status === 404) {
+                  console.log(`Package "${packageName}" not found, skipping deletion`);
+                  return;
+                }
+                throw error;
+              }
             }));

actions/docker/get-image-metadata/action.yml

@@ -80,7 +80,9 @@ runs:
 
           // If push on default branch set tag to latest
           const isPushOnDefaultBranch = context.eventName === 'push' && `${{ github.ref }}` === `refs/heads/${{ github.event.repository.default_branch }}`;
-          core.setOutput('flavor', isPushOnDefaultBranch ? 'latest=true' : 'latest=false');
+          // For schedule events, don't set latest tag to avoid unintended updates
+          const isSchedule = context.eventName === 'schedule';
+          core.setOutput('flavor', (isPushOnDefaultBranch && !isSchedule) ? 'latest=true' : 'latest=false');
 
           const isPullRequestOrIssueComment =
             context.eventName === 'pull_request'
@@ -102,6 +104,12 @@ runs:
             return;
           }
 
+          // For schedule events, use the default branch name as tag
+          if(context.eventName === 'schedule') {
+            core.setOutput('tags', `type=raw,value=${{ github.event.repository.default_branch }}`);
+            return;
+          }
+
           core.setFailed(`No tags found for the current event: ${context.eventName}`);
 
     - id: docker-metadata