branch-cleaner.yaml

name: Cleaning Up Stale Branches

permissions:
  contents: write

on:
  workflow_dispatch:
  schedule:
    - cron: "0 0 * * *" # Every day at 00:00 UTC (KST 09:00)

env:
  DAYS_BEFORE_STALE: 30
  DAYS_BEFORE_DELETE: 7

jobs:
  cleanup-stale-branches:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Cleaning up Stale Branches
        uses: sichoi42/cleanup-stale-branch@v1
        id: stale
        with:
          days-before-stale: ${{ env.DAYS_BEFORE_STALE }}
          days-before-delete: ${{ env.DAYS_BEFORE_DELETE }}
          ignoring-branches: "main,dev,onboard,nestJS"
          ignore-branches-pattern: "release/*"
          # FIXME: Set dry-run to false when you are ready to delete branches
          dry-run: false
          use-webhook: true
          webhook-url: ${{ secrets.DISCORD_GITHUB_WEBHOOK_URL }}
          webhook-type: "discord"
          stale-branch-message: >
            This branch is considered stale because ${{ env.DAYS_BEFORE_STALE }} days have passed since the last commit.
            If you still need this branch, please push a new commit to keep it alive.
            If not, this branch will be deleted in ${{ env.DAYS_BEFORE_DELETE }} days.
          delete-branch-message: >
            This branch was deleted because ${{ env.DAYS_BEFORE_DELETE }} days have passed since the last commit.
      - name: Print outputs
        run: echo ${{ format('{0},{1}', toJSON(steps.stale.outputs.staled-branches), toJSON(steps.stale.outputs.deleted-branches)) }}