Merge pull request #54 from MikroElektronika/improvement/branch-delet…

…ion-flow

Improvement/branch deletion flow

.github/workflows/branch_patterns/delete_patterns.txt

@@ -0,0 +1,2 @@
+new-feature/boards
+revert*

.github/workflows/pruneBranchesByPatterns.yaml

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+name: Prune Branches by Patterns
+
+on:
+  # Trigger the workflow every Monday at 23:00 UTC
+  # Monday to Tuesday at 00:00 ETC
+  schedule:
+    - cron: '0 22 * * 1'
+
+jobs:
+  delete_merged_branches:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Authorize Mikroe Actions App
+        uses: actions/create-github-app-token@v1
+        id: app-token
+        with:
+          app-id: ${{ vars.MIKROE_ACTIONS }}
+          private-key: ${{ secrets.MIKROE_ACTIONS_KEY_AUTHORIZE }}
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Ensure the full history is fetched to check merged branches.
+
+      - name: Add GitHub Actions credentials
+        run: |
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+
+      - name: List and delete merged feature branches
+        run: |
+          # set -x ## Use for debug
+          # Define the path to the patterns file and log file
+          pattern_file=".github/workflows/branch_patterns/delete_patterns.txt"
+          deleted_branches_file="deleted_branches.txt"
+
+          # Ensure the file exists
+          if [ ! -f "$pattern_file" ]; then
+            echo "Pattern file $pattern_file not found!"
+            exit 1
+          fi
+
+          # Initialize the log file
+          echo "Deleted branches on $(date):" > "$deleted_branches_file"
+
+          # Read patterns from the file, sanitize for CRLF endings, and iterate over each pattern
+          deleted_count=0  # Counter to track deleted branches
+          while IFS= read -r pattern || [[ -n "$pattern" ]]; do
+            # Remove any \r (CR) characters from the pattern (handles CRLF line endings)
+            pattern=$(echo "$pattern" | tr -d '\r')
+            echo "Checking pattern: origin/${pattern}"
+
+            # Find branches that match the pattern
+            branches_to_delete=($(git branch -r --merged | grep "origin/${pattern}" | grep -v 'main' | grep -v 'master' | sed 's/origin\///'))
+
+            # Check if any branches were found for the pattern
+            if [ ${#branches_to_delete[@]} -eq 0 ]; then
+              echo "No branches to delete for pattern: $pattern"
+            else
+              # Delete each branch found for the pattern
+              for branch in "${branches_to_delete[@]}"; do
+                echo "Deleting branch $branch"
+                git push origin --delete "$branch"
+                echo "$branch" >> "$deleted_branches_file"  # Log deleted branches
+                deleted_count=$((deleted_count+1))  # Increment the deleted branches counter
+              done
+            fi
+          done < "$pattern_file"
+
+      # Upload the artifact (deleted_branches.txt file)
+      - name: Upload deleted branches log as artifact
+        if: steps.delete_merged_branches.outputs.deleted_count != '0'  # Only upload if there were deletions
+        uses: actions/upload-artifact@v3
+        with:
+          name: deleted-branches-log
+          path: deleted_branches.txt