bump.yml

name: Bump Version

on:
  repository_dispatch:
    types:
    - zitadel-released 
  workflow_dispatch:
    inputs:
      tag:
        description: 'ZITADEL Tag'
        required: false

permissions:
  contents: write
  pull-requests: write

jobs:
  bump:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
    - name: Validate the manually given input tag, if any
      if: ${{ (github.event_name == 'workflow_dispatch') && (github.event.inputs.tag != '') }}
      id: check-input
      run: |
        INPUT=${{github.event.inputs.tag}}
        if ! [[ ${INPUT} =~ ^v[0-9]+\.[0-9]+\.[0-9]+ ]]; then
          echo "supplied invalid version number: ${INPUT}!"
          echo "must be of schema: vX.X.X"
          exit 1
        fi
  
    - name: Get Latest ZITADEL Release Version
      id: latest-tag
      uses: oprypin/find-latest-tag@v1
      with:
        repository: zitadel/zitadel
        releases-only: true
        sort-tags: true
        # ignore prereleases
        regex: '^v([0-9]+)\.([0-9]+)\.([0-9]+)$'

    - name: Decide on Target ZITADEL Version
      id: target-zitadel-version
      run: |
        INPUT=${{ github.event.inputs.tag }}
        LATEST=${{ steps.latest-tag.outputs.tag }}
        TARGET_ZITADEL_VERSION=${INPUT:-${LATEST}}
        echo "input tag: ${INPUT}"
        echo "latest tag: ${LATEST}"
        echo "going to target zitadel version: ${TARGET_ZITADEL_VERSION}"
        echo "tag=${TARGET_ZITADEL_VERSION}" >> $GITHUB_OUTPUT
  
    - name: Parse Target ZITADEL Version into Major, Minor, Patch
      id: parsed-target-zitadel-version
      uses: release-kit/semver@v2
      with:
        source: string
        string: ${{ steps.target-zitadel-version.outputs.tag }}

    - id: checkout
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Read Current Chart Version
      id: current-chart-version
      uses: jbutcher5/read-yaml@1.6
      with:
        file: './charts/zitadel/Chart.yaml'
        key-path: '["version"]'

    - name: Read Current ZITADEL Version
      id: current-zitadel-version
      uses: jbutcher5/read-yaml@1.6
      with:
        file: './charts/zitadel/Chart.yaml'
        key-path: '["appVersion"]'

    - name: Print Current Versions
      run: |
        echo "Chart Version: ${{ steps.current-chart-version.outputs.data }}"
        echo "ZITADEL Version: ${{ steps.current-zitadel-version.outputs.data }}"

    - name: Parse Currently ZITADEL Version into Major, Minor, Patch
      id: parsed-last-zitadel-version
      uses: release-kit/semver@v2
      with:
        source: 'string'
        string: ${{ steps.current-zitadel-version.outputs.data }}

    - name: Set Version Update Type
      id: set-version-type
      run: |
        [ ${{ steps.parsed-target-zitadel-version.outputs.patch }} -gt ${{ steps.parsed-last-zitadel-version.outputs.patch }} ] && echo 'type=PATCH' >> $GITHUB_OUTPUT || true
        [ ${{ steps.parsed-target-zitadel-version.outputs.minor }} -gt ${{ steps.parsed-last-zitadel-version.outputs.minor }} ] && echo 'type=MINOR' >> $GITHUB_OUTPUT || true
        [ ${{ steps.parsed-target-zitadel-version.outputs.major }} -gt ${{ steps.parsed-last-zitadel-version.outputs.major }} ] && echo 'type=MAJOR' >> $GITHUB_OUTPUT || true

    - name: Bump Chart Version
      uses: jessicalostinspace/bump-semantic-version-action@v1.0.1
      id: bumped-chart-version
      with:
        semantic-version: ${{ steps.current-chart-version.outputs.data }}
        version-type: ${{ steps.set-version-type.outputs.type }}

    - name: Update ZITADEL Version
      uses: fjogeleit/yaml-update-action@main
      with:
        valueFile: 'charts/zitadel/Chart.yaml'
        propertyPath: 'appVersion'
        value: ${{ steps.target-zitadel-version.outputs.tag }}
        commitChange: false
        createPR: false

    - name: Update Chart Version
      uses: fjogeleit/yaml-update-action@main
      with:
        valueFile: 'charts/zitadel/Chart.yaml'
        propertyPath: 'version'
        value: ${{ steps.bumped-chart-version.outputs.bumped-semantic-version }}
        commitChange: false
        createPR: false

    - name: Print Chart.yaml
      run: cat charts/zitadel/Chart.yaml

    - name: Generate GitHub App Token
      id: generate-token
      uses: actions/create-github-app-token@v1
      with:
        app-id: ${{ secrets.ZITADEL_WORKFLOW_APP_ID }}
        private-key: ${{ secrets.ZITADEL_WORKFLOW_APP_PRIVATE_KEY }}

    - name: Create Pull Request
      id: pull-request
      uses: peter-evans/create-pull-request@v7
      with:
        title: Bump ZITADEL Version
        branch: create-pull-request/bump
        delete-branch: true
        # We can't just use the GITHUB_TOKEN here, as it wouldn't trigger other workflows needed for the required checks.
        # https://github.com/peter-evans/create-pull-request/blob/main/docs/concepts-guidelines.md#triggering-further-workflow-runs
        token: ${{ steps.generate-token.outputs.token }}

    - name: Enable Automerge
      if: steps.pull-request.outputs.pull-request-operation == 'created'
      run: gh pr merge --squash --auto "${{ steps.pull-request.outputs.pull-request-number }}"
      env:
        GH_TOKEN: ${{ steps.generate-token.outputs.token }}

    - name: Approve
      if: steps.pull-request.outputs.pull-request-operation == 'created'
      run: gh pr review --approve "${{ steps.pull-request.outputs.pull-request-number }}"
      env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}