Build/Test Tools: Commit changes to built theme files for PRs.

When there are uncommitted changes to versioned files in default themes, the theme testing workflow will now store the patch file required for the changes to be committed back to the pull request.

See #63170, #63171.

git-svn-id: https://develop.svn.wordpress.org/trunk@60348 602fd350-edb4-49c9-b593-d223f7449a82

Author: desrosj

.github/workflows/commit-built-file-changes.yml

@@ -3,7 +3,9 @@ name: Commit Built File Changes (PRs)
 
 on:
   workflow_run:
-    workflows: [ 'Check Built Files (PRs)' ]
+    workflows:
+      - 'Check Built Files (PRs)'
+      - 'Test Default Themes & Create ZIPs'
     types:
       - completed
 

.github/workflows/test-and-zip-default-themes.yml

@@ -148,6 +148,32 @@ jobs:
       - name: Build theme
         run: npm run build
 
+      - name: Check for changes to versioned files
+        id: built-file-check
+        if: ${{ github.event_name == 'pull_request' }}
+        run: |
+          if git diff --quiet; then
+            echo "uncommitted_changes=false" >> "$GITHUB_OUTPUT"
+          else
+            echo "uncommitted_changes=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Display changes to versioned files
+        if: ${{ steps.built-file-check.outputs.uncommitted_changes == 'true' }}
+        run: git diff
+
+      - name: Save diff to a file
+        if: ${{ steps.built-file-check.outputs.uncommitted_changes == 'true' }}
+        run: git diff > ./changes.diff
+
+      # Uploads the diff file as an artifact.
+      - name: Upload diff file as artifact
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        if: ${{ steps.built-file-check.outputs.uncommitted_changes == 'true' }}
+        with:
+          name: pr-built-file-changes
+          path: src/wp-content/themes/${{ matrix.theme }}/changes.diff
+
       - name: Ensure version-controlled files are not modified or deleted
         run: git diff --exit-code