kommander-revert-kapps-ref.yaml

name: "Revert k-apps ref"

on:
  pull_request:
    types: [closed]
  workflow_dispatch: {}

permissions:
  pull-requests: write
  contents: write

jobs:
  get-kapps-branch-name:
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'open-kommander-pr')
    outputs:
      branch_name: ${{ steps.branch-name.outputs.branch_name }}
      escaped_branch_name: ${{ steps.escaped-branch-name.outputs.escaped_branch_name }}
      base_branch_name: ${{ steps.base-branch-name.outputs.base_branch_name }}
    steps:
      - id: branch-name
        run: echo "::set-output name=branch_name::${{ github.head_ref }}"
      - id: escaped-branch-name
        run: echo "::set-output name=escaped_branch_name::$(echo ${{ github.head_ref }} | sed -e 's/\//\\\//g')"
      - id: base-branch-name
        run: echo "::set-output name=base_branch_name::${{ github.base_ref }}"
      - name: Check output branch-name
        run: echo ${{ steps.branch-name.outputs.branch_name }}
      - name: Check output escaped-branch-name
        run: echo ${{ steps.escaped-branch-name.outputs.escaped_branch_name }}
      - name: Check output base-branch-name
        run: echo ${{ steps.base-branch-name.outputs.base_branch_name }}

  update-kommander-branch:
    runs-on: ubuntu-latest
    needs: get-kapps-branch-name
    if: success()
    steps:
      - uses: actions/checkout@v3
        with:
          repository: 'mesosphere/kommander'
          ssh-key: ${{ secrets.KOMM_PRIVATE_SSH_KEY }}
          path: 'kommander'
          fetch-depth: '0'
      - name: Revert kommander-applications ref back to ${{ needs.get-kapps-branch-name.outputs.base_branch_name }} on kommander branch
        run: |
          cd kommander
          git config user.name "${GITHUB_ACTOR}"
          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
          # If branch does not exist, do nothing
          git show-ref --quiet --verify -- refs/remotes/origin/kapps/${{ needs.get-kapps-branch-name.outputs.base_branch_name }}/${{ needs.get-kapps-branch-name.outputs.branch_name }} && {
            git checkout kapps/${{ needs.get-kapps-branch-name.outputs.base_branch_name }}/${{ needs.get-kapps-branch-name.outputs.branch_name }}
            # Point the kommander-applications ref to the k-apps branch
            sed -i 's/KOMMANDER_APPLICATIONS_REF ?= ${{ needs.get-kapps-branch-name.outputs.escaped_branch_name }}/KOMMANDER_APPLICATIONS_REF ?= ${{ needs.get-kapps-branch-name.outputs.base_branch_name }}/' Makefile
            git add Makefile
            if output=$(git status --porcelain) && [ ! -z "$output" ]; then
              git commit -v -m "build: Point kommander-applications ref back to ${{ needs.get-kapps-branch-name.outputs.base_branch_name }}"
              git push --force-with-lease --set-upstream origin kapps/${{ needs.get-kapps-branch-name.outputs.base_branch_name }}/${{ needs.get-kapps-branch-name.outputs.branch_name }}
            fi
          }