أتمتة تنظيف Git Branches المدمجة بـ GitHub Actions — من 200 فرع ميت لـ 10 نشطة

name: Cleanup Merged Branches

on:
  schedule:
    - cron: '0 3 * * 1'  # كل اثنين 3 صباحًا UTC
  workflow_dispatch:      # يقدر يتشغّل يدوي من الـ UI

permissions:
  contents: write
  pull-requests: read

jobs:
  cleanup:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Delete merged branches
        id: cleanup
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PROTECTED: '^(main|master|develop|release/.*|hotfix/.*)$'
        run: |
          set -euo pipefail
          deleted=()
          skipped=()

          # الفروع المدمجة فعلًا في main (باستثناء main نفسه)
          merged=$(git branch -r --merged origin/main \
            | sed 's|origin/||' \
            | grep -Ev "$PROTECTED" \
            | grep -v "^\s*main$" || true)

          for branch in $merged; do
            branch=$(echo "$branch" | xargs)
            [ -z "$branch" ] && continue

            # تأكد إن مفيش PR مفتوح على الفرع
            open_pr=$(gh pr list --head "$branch" --state open --json number --jq 'length')
            if [ "$open_pr" -gt 0 ]; then
              skipped+=("$branch (open PR)")
              continue
            fi

            git push origin --delete "$branch" && deleted+=("$branch")
          done

          printf '%s\n' "${deleted[@]}" > deleted.txt
          printf '%s\n' "${skipped[@]}" > skipped.txt
          echo "deleted_count=${#deleted[@]}" >> $GITHUB_OUTPUT

      - name: Notify Slack
        if: steps.cleanup.outputs.deleted_count != '0'
        env:
          WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
        run: |
          count=${{ steps.cleanup.outputs.deleted_count }}
          body=$(jq -Rs '{text: ("تم حذف " + (env.count) + " فرع مدمج:\n```\n" + .+ "\n```")}' < deleted.txt)
          curl -sS -X POST -H 'Content-Type: application/json' -d "$body" "$WEBHOOK"