ci_release.yml

name: CI and Release
on:
  push:
    branches:
      - main
    # Trigger on version tags
    tags:
      - 'v[0-9]+\.[0-9]+\.[0-9]+'
      - 'v[0-9]+\.[0-9]+\.[0-9]+-rc(?:[0-9]+|\.[0-9]+)'
  pull_request:
  merge_group:
  workflow_dispatch:
    # Inputs the workflow accepts.
    inputs:
      version:
        # Friendly description to be shown in the UI instead of 'name'
        description: "Semver type of new version (major / minor / patch)"
        # Input has to be provided for the workflow to run
        required: true
        type: choice
        options:
          - patch
          - minor
          - major

jobs:
  setup:
    runs-on: ubuntu-latest
    env:
      # use consistent go version throughout pipeline here
      GO_VERSION: "1.21"
    outputs:
      go-version: ${{ steps.set-vars.outputs.go-version }}
    steps:
      - name: Set go version
        id: set-vars
        run: echo "go-version=${{env.GO_VERSION}}" >> "$GITHUB_OUTPUT"

  lint:
    needs: [setup]
    uses: ./.github/workflows/lint.yml
    with:
      go-version: ${{ needs.setup.outputs.go-version }}

  test:
    needs: [setup]
    uses: ./.github/workflows/test.yml
    with:
      go-version: ${{ needs.setup.outputs.go-version }}

  proto:
    uses: ./.github/workflows/proto.yml

  # get_merged_pr_labels uses the listPullRequestsAssociatedWithCommit API
  # endpoint to get the PR information for the commit during a push event. Once
  # the PR information is received, we check to see if the create-release label
  # was added to the pr.
  get_merged_pr_labels:
    runs-on: ubuntu-latest
    outputs:
      has_release_label: ${{ steps.set-outputs.outputs.has_release_label }}
    steps:
      # We only want to run this step on a push event, otherwise this will error
      # out as the result is null. We have the if condition here as to not block
      # steps that rely on this step and others if this step is skipped.
      - name: Query listPullRequestsAssociatedWithCommit for the PR information
        if: ${{ github.event_name == 'push' }}
        uses: actions/github-script@v7
        id: get_pr_data
        with:
          script: |
            const prData = await github.rest.repos.listPullRequestsAssociatedWithCommit({
              commit_sha: context.sha,
              owner: context.repo.owner,
              repo: context.repo.repo,
            });
            const pr = prData.data[0];
            const prLabels = pr ? pr.labels.map(label => label.name) : [];
            const hasReleaseLabel = prLabels.includes('create-release');
            return { hasReleaseLabel };
      # Only run if the result is not null. We add this check so that the CI
      # does not show a failure when the previous step is skipped.
      - name: Set the outputs
        if: steps.get_pr_data.outputs.result != null
        id: set-outputs
        run: echo "has_release_label=${{ fromJSON(steps.get_pr_data.outputs.result).hasReleaseLabel }}" >> "$GITHUB_OUTPUT"

  # branch_name trims ref/heads/ from github.ref to access a clean branch name
  branch_name:
    runs-on: ubuntu-latest
    outputs:
      branch: ${{ steps.trim_ref.outputs.branch }}
    steps:
      - name: Trim branch name
        id: trim_ref
        run: |
          echo "branch=$(${${{ github.ref }}:11})" >> $GITHUB_OUTPUT

  # Make a release if this is a manually trigger job, i.e. workflow_dispatch
  release-dispatch:
    needs: [lint, test, proto, branch_name]
    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'workflow_dispatch' }}
    permissions: "write-all"
    steps:
      - uses: actions/checkout@v4
      - name: Version Release
        uses: rollkit/.github/.github/actions/version-release@v0.2.2
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          version-bump: ${{inputs.version}}
          release-branch: ${{needs.branch_name.outputs.branch}}

  # Make a release if there was a merged pr with the create-release label
  release-merge:
    needs: [lint, test, proto, get_merged_pr_labels, branch_name]
    runs-on: ubuntu-latest
    if: |
      (github.event_name == 'push' &&
      contains(github.ref, 'refs/heads/main') &&
      needs.get_merged_pr_labels.outputs.has_release_label)
    permissions: "write-all"
    steps:
      - uses: actions/checkout@v4
      - name: Version Release
        uses: rollkit/.github/.github/actions/version-release@v0.2.2
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          version-bump: "patch"
          release-branch: ${{needs.branch_name.outputs.branch}}