Update format.yml

Author: C-Achard

.github/workflows/format.yml

@@ -5,16 +5,14 @@ on:
     types: [opened, synchronize, reopened]
 
 jobs:
-
   detect_changes:
     runs-on: ubuntu-latest
-
     outputs:
       changed: ${{ steps.changed_files.outputs.changed }}
 
     steps:
       - name: Checkout full history
-        uses: actions/checkout@v6
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -32,30 +30,32 @@ jobs:
 
       - name: Show changed files
         run: |
-          echo "Changed files: ${{ steps.changed_files.outputs.changed }}"
-
+          echo "Changed files:"
+          echo "${{ steps.changed_files.outputs.changed }}"
 
   precommit:
-    runs-on: ubuntu-latest
     needs: detect_changes
-
+    runs-on: ubuntu-latest
     if: ${{ needs.detect_changes.outputs.changed != '' }}
 
     steps:
       - name: Checkout PR branch
-        uses: actions/checkout@v6
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           ref: ${{ github.head_ref }}
 
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v5
         with:
           python-version: "3.12"
 
       - name: Install pre-commit
         run: pip install pre-commit
 
-      - name: Run pre-commit (CI stage, check-only)
+      - name: Run pre-commit (CI check-only stage) on changed files
+        env:
+          CHANGED_FILES: ${{ needs.detect_changes.outputs.changed }}
         run: |
-          pre-commit run --hook-stage manual --files ${{ needs.detect_changes.outputs.changed }} --show-diff-on-failure
+          mapfile -t files <<< "$CHANGED_FILES"
+          pre-commit run --hook-stage manual --files "${files[@]}" --show-diff-on-failure