bump-gluon.yml

# yamllint disable rule:line-length
---
name: "Update the Gluon base"

# yamllint disable-line rule:truthy
on:
  workflow_dispatch:
    inputs:
      site-branch:
        description: "Site branch to update"
        required: true
        default: "main"
      gluon-commit:
        description: "Gluon commit to update to"
        required: true
        default: "HEAD"
      skip-pull-request:
        description: "Skip pull request creation"
        type: boolean
        required: true
        default: true

jobs:
  update-gluon:
    runs-on: ubuntu-latest
    env:
      GLUON_CHECKOUT_DIR: /tmp/gluon
      COMMIT_MESSAGE_PATH: /tmp/commit-message.txt
      BUILD_INFO: .github/build-info.json
      BUILD_INFO_TMP: .github/build-info.json.tmp
      COMMIT_NAME: GitHub Actions
      COMMIT_EMAIL: info@freifunk-rhein-neckar.de
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.site-branch }}

      - name: Clone Gluon
        run: |
          REPO=$(jq -r '.gluon.repository' $BUILD_INFO)
          git clone https://github.com/${REPO}.git /tmp/gluon

      - name: Checkout Gluon branch
        run: git -C $GLUON_CHECKOUT_DIR checkout "$(jq -r '.gluon.branch' $BUILD_INFO)"

      - name: Get commit hash
        id: head-hash
        run: |
          BUILD_HASH="$(git -C $GLUON_CHECKOUT_DIR rev-parse ${{ github.event.inputs.gluon-commit }})"
          echo "hash=$(git -C $GLUON_CHECKOUT_DIR rev-parse "$BUILD_HASH")" >> "$GITHUB_OUTPUT"
          echo "short-hash=$(git -C $GLUON_CHECKOUT_DIR rev-parse --short "$BUILD_HASH")" >> "$GITHUB_OUTPUT"

      - name: Get build-info.json commit hash
        id: build-info-hash
        run: |
          BUILD_HASH="$(jq -r '.gluon.commit' $BUILD_INFO)"
          echo "hash=$(git -C $GLUON_CHECKOUT_DIR rev-parse "$BUILD_HASH")" >> "$GITHUB_OUTPUT"
          echo "short-hash=$(git -C $GLUON_CHECKOUT_DIR rev-parse --short "$BUILD_HASH")" >> "$GITHUB_OUTPUT"

      - name: Update commit-hash
        if: steps.head-hash.outputs.hash != steps.build-info-hash.outputs.hash
        run: >-
          jq --arg commit_hash "${{ steps.head-hash.outputs.hash }}"
          --indent 4
          '.gluon.commit = $commit_hash'
          $BUILD_INFO > $BUILD_INFO_TMP

      - name: Update build-info.json
        if: steps.head-hash.outputs.hash != steps.build-info-hash.outputs.hash
        run: mv $BUILD_INFO_TMP $BUILD_INFO

      - name: Generate commit message
        if: steps.head-hash.outputs.hash != steps.build-info-hash.outputs.hash
        id: commit-message
        run: |
          echo "msg<<EOF" >> "$GITHUB_OUTPUT"
          ./.github/bump-gluon-commit-message.sh $GLUON_CHECKOUT_DIR ${{ steps.build-info-hash.outputs.hash }} ${{ steps.head-hash.outputs.hash }} >> "$GITHUB_OUTPUT"
          echo "EOF" >> "$GITHUB_OUTPUT"

      - name: Commit and push changes
        if: steps.head-hash.outputs.hash != steps.build-info-hash.outputs.hash
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: ${{ steps.commit-message.outputs.msg }}
          commit_options: '--no-verify --signoff'
          commit_user_name: ${{ env.COMMIT_NAME }}
          commit_user_email: ${{ env.COMMIT_EMAIL }}
          commit_author: ${{ env.COMMIT_NAME }} <${{ env.COMMIT_EMAIL }}>
          branch: bump-gluon-${{ github.event.inputs.site-branch }}-${{ steps.head-hash.outputs.short-hash }}
          create_branch: true

      - name: Create pull request
        if: steps.head-hash.outputs.hash != steps.build-info-hash.outputs.hash && github.event.inputs.skip-pull-request == 'false'
        run: >-
          gh pr create
          -B ${{ github.event.inputs.site-branch }}
          -H bump-gluon-${{ github.event.inputs.site-branch }}-${{ steps.head-hash.outputs.short-hash }}
          --fill
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Emit PR creation message
        if: steps.head-hash.outputs.hash != steps.build-info-hash.outputs.hash && github.event.inputs.skip-pull-request == 'true'
        run:
          echo "::notice::Create pull-request at https://github.com/${{ github.repository }}/compare/${{ github.event.inputs.site-branch }}...bump-gluon-${{ github.event.inputs.site-branch }}-${{ steps.head-hash.outputs.short-hash }}?quick_pull=1"