clean-packagejson-branch.yaml

name: (R) Update package.json

on:
  workflow_call:
    inputs:
      branch:
        description: "branch name to delete. Only delete branches that are created by github-actions[bot] and are not the default branch."
        required: true
        type: string
    outputs:
      branch-deleted:
        description: "Indicate branch is deleted or not by boolean. true = branch deleted, false = branch not deleted."
        value: ${{ jobs.cleanup.outputs.branch-deleted }}

jobs:
  cleanup:
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} # auto generated token
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      branch-deleted: ${{ steps.check-branch.outputs.deletable }}
    steps:
      - name: Check branch is deletable
        id: check-branch
        run: |
          # Check if the branch is the default branch
          if [[ "$(gh api /repos/${{ github.repository }} | jq -r '.default_branch')" == "${{ inputs.branch }}" ]]; then
            echo "Branch is default, you cannot delete this branch. branch: ${{ inputs.branch }}"
            exit 1
          fi

          # Check if the branch is created by github-actions[bot]
          if gh api /repos/${{ github.repository }}/branches | jq -r '.[].name' | grep "${{ inputs.branch }}" >/dev/null; then
            echo "branch exists. branch: ${{ inputs.branch }}"

            # Check info of the branch
            gh api /repos/${{ github.repository }}/branches/${{ inputs.branch }} | jq

            if [[ "$(gh api /repos/${{ github.repository }}/branches/${{ inputs.branch }} | jq -r '.commit.author.login')" != "github-actions[bot]" ]]; then
              echo "Branch is not created by github-actions[bot], you cannot delete this branch. branch: ${{ inputs.branch }}"
              exit 1
            fi

            branch_deletable=true
          else
            echo "branch not exists. branch: ${{ inputs.branch }}"
            branch_deletable=false
          fi

          echo "deletable=${branch_deletable}" | tee -a "${GITHUB_OUTPUT}"
      - name: Delete branch
        if: ${{ steps.check-branch.outputs.deletable == 'true' }}
        run: gh api -X DELETE /repos/${{ github.repository }}/git/refs/heads/${{ inputs.branch }}