# This workflow creates a new PR in Grafana which is triggered after a release is completed.
# It should include all code changes that are needed after a release is done. This includes the changelog update and
# version bumps, but could include more in the future.
# Please refrain from including any processes that do not result in code changes in this workflow. Instead, they should
# either be triggered in the release promotion process or in the release comms process (that is triggered by merging
# this PR).
name: Complete a Grafana release
on:
  workflow_dispatch:
    inputs:
      version:
        required: true
        type: string
        description: The version of Grafana that is being released
      target:
        required: true
        type: string
        description: The base branch that these changes are being merged into
      backport:
        required: false
        type: string
        description: Branch to backport these changes to
      dry_run:
        required: false
        type: bool

jobs:
  create-prs:
    name: Create Release PR
    runs-on: ubuntu-latest
    if: github.repository == 'grafana/grafana'
    steps:
      - name: Generate token
        id: generate_token
        uses: tibdex/github-app-token@b62528385c34dbc9f38e5f4225ac829252d1ea92
        with:
          app_id: ${{ secrets.GRAFANA_DELIVERY_BOT_APP_ID }}
          private_key: ${{ secrets.GRAFANA_DELIVERY_BOT_APP_PEM }}
      - name: Checkout Grafana
        uses: actions/checkout@v4
      - name: Configure git user
        run: |
          git config --local user.name "github-actions[bot]"
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
      - name: Create branch
        run: git checkout -b "release/${{ github.run_id }}/${{ inputs.version }}"
      - name: Generate changelog
        run: git commit --allow-empty -m "Update changelog placeholder"
      - name: Update package.json
        run: git commit --allow-empty -m "Update version in package.json(s) (and yarn install) placeholder"
      - name: Create PR without backports
        if: "${{ github.event.inputs.backport == '' }}"
        run: >
          gh pr create --dry-run=${{ inputs.dry_run }} -H "release/${{ inputs.version }}" -B "${{ inputs.target }}" --title "Release: ${{ inputs.version }}" --body "These code changes must be merged after a release is complete"
        env:
          GH_TOKEN: ${{ steps.generate_token.outputs.token }}
      - name: Create PR with backports
        if: "${{ github.event.inputs.backport != '' }}"
        run: >
          gh pr create -l "backport ${{ inputs.backport }}" --dry-run=${{ inputs.dry_run }} -H "release/${{ inputs.version }}" -B "${{ inputs.target }}" --title "Release: ${{ inputs.version }}" --body "These code changes must be merged after a release is complete"
        env:
          GH_TOKEN: ${{ steps.generate_token.outputs.token }}