stale_branches.yml

name: Remind and Delete Stale Branches

on:
  schedule:
    - cron: '0 0 * * *' # Runs daily

jobs:
  remind_delete_stale_branches:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Identify Stale Branches
        run: |
          # Write your script here to identify stale branches
          # For demonstration purposes, I'll provide a simple example using git commands

          # Fetch all branches from the remote repository
          git fetch --all

          # Define the threshold for stale branches (for example, branches not updated in the last 1 day)
          threshold_date=$(date -d "1 day ago" +"%Y-%m-%d")

          # List all remote branches and iterate over each one
          git branch -r --format="%(refname:short) %(authordate:short)" | while read branch_date branch_name; do
            # Remove "origin/" prefix from the branch name
            branch_name=${branch_name#"origin/"}
            
            # Compare the branch's last commit date with the threshold date
            if [[ "$branch_date" < "$threshold_date" ]]; then
              # Check if a reminder count file exists for the branch
              reminder_file=".github/reminders/$branch_name"
              if [[ -f "$reminder_file" ]]; then
                # Read the reminder count from the file
                reminder_count=$(<"$reminder_file")
              else
                # Create a reminder count file for the branch
                reminder_count=0
              fi

              # Increment the reminder count
              ((reminder_count++))

              # Save the updated reminder count to the file
              echo "$reminder_count" > "$reminder_file"

              # If the reminder count exceeds 5, delete the stale branch
              if ((reminder_count >= 5)); then
                # Delete the stale branch
                git push origin --delete "$branch_name"
                echo "Deleted stale branch: $branch_name"
                # Optionally, you can also remove the reminder count file after deletion
                rm "$reminder_file"
              else
                # Send a reminder notification to the branch owner
                # Replace the following line with your notification logic
                echo "Reminder $reminder_count: Please delete stale branch '$branch_name'."
              fi
            fi
          done