ci(pre-commit): Add label if manual fixes are required

Author: lucasssvaz

.github/workflows/pre-commit.yml

@@ -65,6 +65,7 @@ jobs:
         uses: tj-actions/changed-files@2f7c5bfce28377bc069a65ba478de0a74aa0ca32 # v46.0.1
 
       - name: Run pre-commit hooks in changed files
+        id: pre-commit
         run: pre-commit run --color=always --show-diff-on-failure --files ${{ steps.changed-files.outputs.all_changed_files }}
 
       - name: Save pre-commit cache
@@ -82,3 +83,18 @@ jobs:
         if: ${{ always() && github.event_name == 'pull_request' }}
         with:
           msg: "ci(pre-commit): Apply automatic fixes"
+
+      - name: Add label if no commits are pending
+        if: ${{ failure() && steps.pre-commit.outcome == 'failure' && steps.pre-commit.outputs.pending_commit == '0' && github.event_name == 'pull_request' }}
+        run: |
+          gh pr edit ${{ github.event.number }} --add-label 'Status: Pre-commit fixes required ⚠️'
+        env:
+          GH_TOKEN: ${{ github.token }}
+
+      - name: Remove label if everything was fixed
+        if: ${{ success() && github.event_name == 'pull_request' }}
+        run: |
+          gh pr edit ${{ github.event.number }} --remove-label 'Status: Pre-commit fixes required ⚠️'
+        env:
+          GH_TOKEN: ${{ github.token }}
+

.pre-commit-config.yaml

@@ -108,3 +108,20 @@ repos:
       - id: vale
         language_version: "1.23.2"
         types_or: [markdown, rst]
+
+  # Always leave this last to ensure that all hooks have already run
+  - repo: local
+    hooks:
+      - id: git-diff
+        name: git diff
+        entry: |
+          bash -c '
+            if [ "$CI" = "true" ]; then
+              if git diff --exit-code; then
+                echo "pending_commit=0" >> $GITHUB_OUTPUT
+              else
+                echo "pending_commit=1" >> $GITHUB_OUTPUT
+              fi
+            fi
+          '
+        language: system