chore: restore sync-upstream workflow after sync

.github/workflows/sync-upstream.yml

@@ -4,6 +4,11 @@ on:
   schedule:
     - cron: "0 3 * * *"
   workflow_dispatch:
+    inputs:
+      target_commit:
+        description: 'Commit hash (leave blank to use latest commit)'
+        required: false
+        type: string
 
 permissions:
   contents: write
@@ -11,9 +16,8 @@ permissions:
 jobs:
   sync:
     runs-on: ubuntu-latest
-
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -22,13 +26,118 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
 
-      - name: Sync main from upstream
+      - name: Add upstream
         run: |
           git remote add upstream https://github.com/shuaiplus/NodeWarden.git || true
-          git fetch upstream
-          git checkout main
-          git merge upstream/main
+          git fetch upstream --tags
 
-      - name: Push synced main
+      - name: Resolve target commit
+        id: resolve
         run: |
-          git push origin main
+          TRIGGER="${{ github.event_name }}"
+          MANUAL_INPUT="${{ github.event.inputs.target_commit }}"
+
+          if [ "$TRIGGER" = "schedule" ]; then
+            # Auto mode: resolve latest upstream release tag
+            LATEST_TAG=$(curl -s https://api.github.com/repos/shuaiplus/NodeWarden/releases/latest | jq -r .tag_name)
+            if [ "$LATEST_TAG" = "null" ] || [ -z "$LATEST_TAG" ]; then
+              echo "No release found in upstream."
+              exit 1
+            fi
+            TARGET_SHA=$(git rev-list -n 1 "$LATEST_TAG" 2>/dev/null)
+            if [ -z "$TARGET_SHA" ]; then
+              echo "Tag '$LATEST_TAG' not found after fetch."
+              exit 1
+            fi
+            echo "mode=auto" >> $GITHUB_OUTPUT
+            echo "latest_tag=$LATEST_TAG" >> $GITHUB_OUTPUT
+            echo "target_sha=$TARGET_SHA" >> $GITHUB_OUTPUT
+            echo "Auto mode — latest release: $LATEST_TAG ($TARGET_SHA)"
+
+          elif [ -n "$MANUAL_INPUT" ]; then
+            # Manual mode: use provided commit hash or tag
+            TARGET_SHA=$(git rev-parse "$MANUAL_INPUT" 2>/dev/null)
+            if [ -z "$TARGET_SHA" ]; then
+              echo "Cannot resolve '$MANUAL_INPUT' to a commit."
+              exit 1
+            fi
+            echo "mode=manual" >> $GITHUB_OUTPUT
+            echo "target_sha=$TARGET_SHA" >> $GITHUB_OUTPUT
+            echo "Manual mode — target: $MANUAL_INPUT ($TARGET_SHA)"
+
+          else
+            # Manual mode, blank input: use latest commit on upstream/main
+            TARGET_SHA=$(git rev-parse upstream/main)
+            echo "mode=manual" >> $GITHUB_OUTPUT
+            echo "target_sha=$TARGET_SHA" >> $GITHUB_OUTPUT
+            echo "Manual mode — latest commit: $TARGET_SHA"
+          fi
+
+      - name: Check if update is needed
+        id: check
+        run: |
+          TARGET_SHA="${{ steps.resolve.outputs.target_sha }}"
+          MODE="${{ steps.resolve.outputs.mode }}"
+
+          if [ "$MODE" = "manual" ]; then
+            # Manual: skip only if HEAD is exactly this commit
+            CURRENT_SHA=$(git rev-parse HEAD)
+            if [ "$CURRENT_SHA" = "$TARGET_SHA" ]; then
+              echo "Already at $TARGET_SHA — skipping."
+              echo "needs_update=false" >> $GITHUB_OUTPUT
+            else
+              echo "Switching to $TARGET_SHA"
+              echo "needs_update=true" >> $GITHUB_OUTPUT
+            fi
+          else
+            # Auto: skip if target is already in ancestry
+            if git merge-base --is-ancestor "$TARGET_SHA" HEAD 2>/dev/null; then
+              echo "Already up to date with $TARGET_SHA — skipping."
+              echo "needs_update=false" >> $GITHUB_OUTPUT
+            else
+              echo "Update needed — target: $TARGET_SHA"
+              echo "needs_update=true" >> $GITHUB_OUTPUT
+            fi
+          fi
+
+      - name: Apply update
+        if: steps.check.outputs.needs_update == 'true'
+        run: |
+          TARGET_SHA="${{ steps.resolve.outputs.target_sha }}"
+          MODE="${{ steps.resolve.outputs.mode }}"
+          git checkout main
+          if [ "$MODE" = "manual" ]; then
+            # Hard reset allows both upgrade and rollback
+            git reset --hard "$TARGET_SHA"
+          else
+            git merge "$TARGET_SHA" --no-edit
+          fi
+
+      - name: Restore workflow file
+        if: steps.check.outputs.needs_update == 'true'
+        run: |
+          # Always keep our own workflow file, never let upstream overwrite it
+          git checkout HEAD@{1} -- .github/workflows/sync-upstream.yml 2>/dev/null || true
+          if ! git diff --cached --quiet; then
+            git commit -m "chore: restore sync-upstream workflow after sync"
+          fi
+
+      - name: Push
+        if: steps.check.outputs.needs_update == 'true'
+        run: |
+          if [ "${{ steps.resolve.outputs.mode }}" = "manual" ]; then
+            git push origin main --force
+          else
+            git push origin main
+          fi
+
+      - name: Summary
+        run: |
+          if [ "${{ steps.check.outputs.needs_update }}" = "true" ]; then
+            echo "### Synced successfully" >> $GITHUB_STEP_SUMMARY
+            echo "- **Mode:** ${{ steps.resolve.outputs.mode }}" >> $GITHUB_STEP_SUMMARY
+            echo "- **Tag:** ${{ steps.resolve.outputs.latest_tag || 'N/A (manual)' }}" >> $GITHUB_STEP_SUMMARY
+            echo "- **Commit:** \`${{ steps.resolve.outputs.target_sha }}\`" >> $GITHUB_STEP_SUMMARY
+          else
+            echo "### Nothing to update" >> $GITHUB_STEP_SUMMARY
+          fi