clear-branch.yml

name: Clear Branch

on:
  schedule:
    - cron: '0 8 * * *' # Runs every day at 0:00 Beijing Time (8:00 UTC)
  push:
    branches:
      - test
  workflow_dispatch:
    inputs:
      ref:
        description: "Why trigger?"
        required: true 
        type: string
jobs:
  clear_branch:
    runs-on: ubuntu-latest
    env:
      SKIP_PATTERNS: |
        v6*
        v5*
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"

      - name: Delete invalid branches
        run: |
          git fetch --prune
          current_branch=$(git rev-parse --abbrev-ref HEAD)
          protected_branches=$(gh api /repos/${{ github.repository }}/branches --paginate --jq '.[] | select(.protected == true) | .name' | tr '\n' ' ')
          echo "All protected branch: ${protected_branches}"
          # Define the regex patterns to skip branches
          IFS=$'\n' read -r -d '' -a skip_patterns <<< "${{ env.SKIP_PATTERNS }}"
          for branch in $(git branch -r | sed 's/origin\///'|grep -v origin); do
            skip_branch=false
            # Check if the branch matches any of the skip patterns
            for pattern in "${skip_patterns[@]}"; do
                if [[ $branch =~ $pattern ]]; then
                    echo "Skipping branch matching pattern: $branch"
                    skip_branch=true
                    break
                fi
            done

            if $skip_branch; then
                continue
            fi
            
            if [[ " ${protected_branches[@]} " =~ " ${branch} " ]]; then
                echo "Skipping protected branch: $branch"
                continue
            fi
            if [[ "$branch" == "$current_branch" ]]; then
                echo "Skipping current branch: $branch"
                continue
            fi
            # Skip branches with submitted PR
            last_commit_date=$(git log -1 --format=%ci origin/$branch)
            if [[ $(date -d "$last_commit_date" +%s) -lt $(date -d "10 seconds ago" +%s) ]]; then
              if ! gh pr list --head $branch --repo https://github.com//${{ github.repository }} | grep $branch; then
                echo "Deleting branch: $branch"
                git push origin --delete $branch
              fi
            fi
          done
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}