openshift-os.yml

name: Sync to openshift/os
on:
  # We could do push: branches: [testing-devel] but that would restart
  # downstream CI a lot
  schedule:
    - cron: '0 0 * * *'
  workflow_dispatch:
    inputs:
      branch:
        # Allow overriding branch for syncs that need manual fixups
        description: PR branch
        required: true
        default: fcc-sync

permissions:
  # none at all
  contents: none

jobs:
  update-submodule:
    name: Update fedora-coreos-config submodule
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v3
        with:
          repository: openshift/os
          # We need an unbroken commit chain when pushing to the fork.  Don't
          # make assumptions about which commits are already available there.
          fetch-depth: 0

      - name: Update submodule
        env:
          BRANCH_NAME: ${{ github.event.inputs.branch }}
        run: |
          set -euxo pipefail

          # Default branch name for on.schedule case
          echo "BRANCH_NAME=${BRANCH_NAME:-fcc-sync}" >> $GITHUB_ENV

          git submodule init
          git submodule update

          cd fedora-coreos-config
          # Omit CoreOS Bot commits from the log message, since they generally
          # only affect FCOS
          git shortlog "HEAD..testing-devel" --perl-regexp \
              --author='^((?!CoreOS Bot <coreosbot@fedoraproject.org>).*)$' \
              > $RUNNER_TEMP/shortlog

          if [ ! -s $RUNNER_TEMP/shortlog ]; then
              # Any changes have been made by CoreOS Bot.  Ignore.
              echo "No non-trivial changes; exiting"
              exit 0
          fi
          git checkout testing-devel

          marker=OPENSHIFT-OS-END-OF-LOG-MARKER-$RANDOM$RANDOM$RANDOM
          cat >> $GITHUB_ENV <<EOF
          SHORTLOG<<$marker
          $(cat $RUNNER_TEMP/shortlog)
          $marker
          EOF

      - name: Open pull request
        uses: peter-evans/create-pull-request@v4.2.3
        with:
          token: ${{ secrets.COREOSBOT_RELENG_TOKEN }}
          push-to-fork: coreosbot-releng/os
          branch: ${{ env.BRANCH_NAME }}
          commit-message: |
            Bump fedora-coreos-config

            ${{ env.SHORTLOG }}
          title: Bump fedora-coreos-config
          body: |
            Created by [GitHub workflow](${{ github.server_url }}/${{ github.repository }}/actions/workflows/openshift-os.yml) ([source](${{ github.server_url }}/${{ github.repository }}/blob/testing-devel/.github/workflows/openshift-os.yml)).

            ```
            ${{ env.SHORTLOG }}
            ```
          committer: "CoreOS Bot <coreosbot@fedoraproject.org>"
          author: "CoreOS Bot <coreosbot@fedoraproject.org>"