changelog.yml

name: Changelog Automation

on:
    workflow_call:
        inputs:
            changelog-file:
                description: Path to the managed changelog file.
                required: false
                type: string
                default: CHANGELOG.md
            project:
                description: Optional GitHub Project V2 number for consumer repositories. When omitted, php-fast-forward repositories default to the first organization project.
                required: false
                type: string
                default: ''
            version:
                description: Optional version to promote during manual release preparation.
                required: false
                type: string
                default: ''
            release-branch-prefix:
                description: Prefix used for release-preparation branches.
                required: false
                type: string
                default: release/v
    workflow_dispatch:
        inputs:
            changelog-file:
                description: Path to the managed changelog file.
                required: false
                type: string
                default: CHANGELOG.md
            project:
                description: Optional GitHub Project V2 number for consumer repositories. Leave empty to use the configured repository variable or the php-fast-forward default.
                required: false
                type: string
                default: ''
            version:
                description: Optional version to promote. Leave empty to infer from Unreleased.
                required: false
                type: string
                default: ''
            release-branch-prefix:
                description: Prefix used for release-preparation branches.
                required: false
                type: string
                default: release/v
    pull_request:
        types: [opened, reopened, synchronize]
    pull_request_target:
        types: [closed]

permissions:
    contents: write
    pull-requests: write
    repository-projects: write

concurrency:
    group: ${{ github.event.pull_request.number && format('changelog-pr-{0}', github.event.pull_request.number) || format('changelog-{0}', github.ref) }}
    cancel-in-progress: ${{ github.event.pull_request.merged != true }}

env:
    FORCE_COLOR: '1'

jobs:
    resolve_php:
        name: Resolve PHP Version
        runs-on: ubuntu-latest
        outputs:
            php-version: ${{ steps.resolve.outputs.php-version }}

        steps:
            - uses: actions/checkout@v6
            - name: Checkout dev-tools workflow action source
              uses: actions/checkout@v6
              with:
                  repository: php-fast-forward/dev-tools
                  ref: ${{ github.repository == 'php-fast-forward/dev-tools' && (github.event_name == 'pull_request_target' && github.event.pull_request.base.sha || github.sha) || 'main' }}
                  path: .dev-tools-actions
                  sparse-checkout: |
                      .github/actions

            - name: Resolve workflow PHP version
              id: resolve
              uses: ./.dev-tools-actions/.github/actions/php/resolve-version

    validate_pull_request:
        name: Validate PR Changelog
        needs: resolve_php
        if: ${{ github.event.pull_request.number && github.event.pull_request.merged != true && !startsWith(github.event.pull_request.head.ref, inputs.release-branch-prefix || 'release/v') }}
        runs-on: ubuntu-latest
        env:
            CHANGELOG_FILE: ${{ inputs.changelog-file || 'CHANGELOG.md' }}
            CHANGELOG_ROOT_VERSION: ${{ github.event.pull_request.head.ref && format('dev-{0}', github.event.pull_request.head.ref) || 'dev-main' }}
            BASE_REF: ${{ github.event.pull_request.base.ref }}
            HEAD_REF: ${{ github.event.pull_request.head.ref }}
            PULL_REQUEST_NUMBER: ${{ github.event.pull_request.number }}
            PULL_REQUEST_TITLE: ${{ github.event.pull_request.title }}

        steps:
            - uses: actions/checkout@v6
              with:
                  fetch-depth: 0
            - name: Checkout dev-tools workflow action source
              uses: actions/checkout@v6
              with:
                  repository: php-fast-forward/dev-tools
                  ref: ${{ github.repository == 'php-fast-forward/dev-tools' && (github.event_name == 'pull_request_target' && github.event.pull_request.base.sha || github.sha) || 'main' }}
                  path: .dev-tools-actions
                  sparse-checkout: |
                      .github/actions

            - name: Setup PHP and install dependencies
              uses: ./.dev-tools-actions/.github/actions/php/setup-composer
              with:
                  php-version: ${{ needs.resolve_php.outputs.php-version }}
                  root-version: ${{ env.CHANGELOG_ROOT_VERSION }}
                  install-options: --prefer-dist --no-progress --no-interaction --no-plugins --no-scripts

            - name: Fetch base branch reference
              run: git fetch --no-tags --depth=1 origin "+refs/heads/${BASE_REF}:refs/remotes/origin/${BASE_REF}"

            - name: Create Dependabot changelog entry when missing
              id: dependabot_entry
              if: ${{ (github.event.pull_request.user.login == 'dependabot[bot]' || github.event.pull_request.user.login == 'app/dependabot' || startsWith(github.event.pull_request.head.ref, 'dependabot/')) && github.event.pull_request.head.repo.full_name == github.repository }}
              uses: ./.dev-tools-actions/.github/actions/changelog/create-dependabot-entry
              with:
                  changelog-file: ${{ env.CHANGELOG_FILE }}
                  base-ref: ${{ env.BASE_REF }}
                  head-ref: ${{ env.HEAD_REF }}
                  pull-request-number: ${{ env.PULL_REQUEST_NUMBER }}
                  pull-request-title: ${{ env.PULL_REQUEST_TITLE }}

            - name: Verify changelog update
              run: composer dev-tools changelog:check -- --file="${CHANGELOG_FILE}" --against="origin/${BASE_REF}"

            - uses: ./.dev-tools-actions/.github/actions/summary/write
              with:
                  markdown: |
                      ## Changelog Validation Summary

                      - Changelog file: `${{ env.CHANGELOG_FILE }}`
                      - Compared base ref: `origin/${{ env.BASE_REF }}`
                      - Dependabot fallback status: `${{ steps.dependabot_entry.outputs.status || 'not needed' }}`
                      - Dependabot fallback entry created: `${{ steps.dependabot_entry.outputs.created || 'false' }}`
                      - Dependabot fallback generated message: `${{ steps.dependabot_entry.outputs.message || 'not needed' }}`
                      - Validation result: success

    prepare_release_pull_request:
        name: Prepare Release Pull Request
        needs: resolve_php
        if: ${{ !github.event.pull_request.number }}
        runs-on: ubuntu-latest
        env:
            CHANGELOG_FILE: ${{ inputs.changelog-file || 'CHANGELOG.md' }}
            RELEASE_BRANCH_PREFIX: ${{ inputs.release-branch-prefix || 'release/v' }}
            CHANGELOG_ROOT_VERSION: ${{ format('dev-{0}', github.event.repository.default_branch) }}

        steps:
            - uses: actions/checkout@v6
              with:
                  token: ${{ github.token }}
                  ref: ${{ github.event.repository.default_branch }}
                  fetch-depth: 0
            - name: Checkout dev-tools workflow action source
              uses: actions/checkout@v6
              with:
                  repository: php-fast-forward/dev-tools
                  ref: ${{ github.repository == 'php-fast-forward/dev-tools' && (github.event_name == 'pull_request_target' && github.event.pull_request.base.sha || github.sha) || 'main' }}
                  path: .dev-tools-actions
                  sparse-checkout: |
                      .github/actions

            - name: Setup PHP and install dependencies
              uses: ./.dev-tools-actions/.github/actions/php/setup-composer
              with:
                  php-version: ${{ needs.resolve_php.outputs.php-version }}
                  root-version: ${{ env.CHANGELOG_ROOT_VERSION }}
                  install-options: --prefer-dist --no-progress --no-interaction --no-plugins --no-scripts

            - name: Resolve release version
              id: version
              uses: ./.dev-tools-actions/.github/actions/changelog/resolve-version
              with:
                  changelog-file: ${{ env.CHANGELOG_FILE }}
                  version: ${{ inputs.version || '' }}

            - name: Promote changelog release
              env:
                  RELEASE_VERSION: ${{ steps.version.outputs.value }}
              run: |
                  release_date="$(date -u +%F)"
                  composer dev-tools changelog:promote -- "${RELEASE_VERSION}" --file="${CHANGELOG_FILE}" --date="${release_date}"

            - name: Render release notes preview
              uses: ./.dev-tools-actions/.github/actions/changelog/render-release-notes
              with:
                  changelog-file: ${{ env.CHANGELOG_FILE }}
                  version: ${{ steps.version.outputs.value }}

            - name: Create release preparation pull request
              id: create_pr
              uses: peter-evans/create-pull-request@v8
              with:
                  token: ${{ github.token }}
                  branch: ${{ env.RELEASE_BRANCH_PREFIX }}${{ steps.version.outputs.value }}
                  delete-branch: false
                  base: ${{ github.event.repository.default_branch }}
                  add-paths: |
                      ${{ env.CHANGELOG_FILE }}
                  commit-message: Prepare release v${{ steps.version.outputs.value }}
                  title: Prepare release v${{ steps.version.outputs.value }}
                  body: |
                      ## Summary

                      - promote `Unreleased` into `${{ steps.version.outputs.value }}`
                      - prepare the GitHub release body from `${{ env.CHANGELOG_FILE }}`

                      ## Version Resolution

                      - source: `${{ steps.version.outputs.source }}`

            - uses: actions/checkout@v6
            - name: Checkout dev-tools workflow action source
              uses: actions/checkout@v6
              with:
                  repository: php-fast-forward/dev-tools
                  ref: ${{ github.repository == 'php-fast-forward/dev-tools' && (github.event_name == 'pull_request_target' && github.event.pull_request.base.sha || github.sha) || 'main' }}
                  path: .dev-tools-actions
                  sparse-checkout: |
                      .github/actions

            - uses: ./.dev-tools-actions/.github/actions/project-board/transition-status
              with:
                  project: ${{ inputs.project || vars.PROJECT || '' }}
                  from-status: Merged
                  to-status: Release Prepared

            - uses: ./.dev-tools-actions/.github/actions/summary/write
              with:
                  markdown: |
                      ## Release Preparation Summary

                      - Changelog file: `${{ env.CHANGELOG_FILE }}`
                      - Release version: `${{ steps.version.outputs.value }}`
                      - Version source: `${{ steps.version.outputs.source }}`
                      - Pull request operation: `${{ steps.create_pr.outputs.pull-request-operation || 'none' }}`
                      - Pull request URL: ${{ steps.create_pr.outputs.pull-request-url || 'not created' }}

    publish_merged_release:
        name: Publish Merged Release
        needs: resolve_php
        if: ${{ github.event.pull_request.merged == true && github.event.pull_request.base.ref == github.event.repository.default_branch && github.event.pull_request.head.repo.full_name == github.repository && startsWith(github.event.pull_request.head.ref, inputs.release-branch-prefix || 'release/v') }}
        runs-on: ubuntu-latest
        env:
            CHANGELOG_FILE: ${{ inputs.changelog-file || 'CHANGELOG.md' }}
            RELEASE_BRANCH_PREFIX: ${{ inputs.release-branch-prefix || 'release/v' }}
            CHANGELOG_ROOT_VERSION: ${{ format('dev-{0}', github.event.repository.default_branch) }}

        steps:
            - uses: actions/checkout@v6
              with:
                  token: ${{ github.token }}
                  ref: ${{ github.event.pull_request.base.ref }}
                  fetch-depth: 0
            - name: Checkout dev-tools workflow action source
              uses: actions/checkout@v6
              with:
                  repository: php-fast-forward/dev-tools
                  ref: ${{ github.repository == 'php-fast-forward/dev-tools' && (github.event_name == 'pull_request_target' && github.event.pull_request.base.sha || github.sha) || 'main' }}
                  path: .dev-tools-actions
                  sparse-checkout: |
                      .github/actions

            - name: Setup PHP and install dependencies
              uses: ./.dev-tools-actions/.github/actions/php/setup-composer
              with:
                  php-version: ${{ needs.resolve_php.outputs.php-version }}
                  root-version: ${{ env.CHANGELOG_ROOT_VERSION }}
                  install-options: --prefer-dist --no-progress --no-interaction --no-plugins --no-scripts

            - name: Resolve merged release version
              id: version
              uses: ./.dev-tools-actions/.github/actions/changelog/resolve-merged-version
              with:
                  head-ref: ${{ github.event.pull_request.head.ref }}
                  release-branch-prefix: ${{ env.RELEASE_BRANCH_PREFIX }}

            - name: Render release notes
              uses: ./.dev-tools-actions/.github/actions/changelog/render-release-notes
              with:
                  changelog-file: ${{ env.CHANGELOG_FILE }}
                  version: ${{ steps.version.outputs.value }}

            - name: Publish GitHub release
              id: publish_release
              uses: ./.dev-tools-actions/.github/actions/changelog/publish-release
              with:
                  version: ${{ steps.version.outputs.value }}
                  target: ${{ github.event.pull_request.merge_commit_sha || github.sha }}

            - uses: actions/checkout@v6
            - name: Checkout dev-tools workflow action source
              uses: actions/checkout@v6
              with:
                  repository: php-fast-forward/dev-tools
                  ref: ${{ github.repository == 'php-fast-forward/dev-tools' && (github.event_name == 'pull_request_target' && github.event.pull_request.base.sha || github.sha) || 'main' }}
                  path: .dev-tools-actions
                  sparse-checkout: |
                      .github/actions

            - uses: ./.dev-tools-actions/.github/actions/project-board/transition-status
              with:
                  project: ${{ inputs.project || vars.PROJECT || '' }}
                  from-status: Release Prepared
                  to-status: Released
                  include-current-pull-request: 'true'

            - uses: ./.dev-tools-actions/.github/actions/summary/write
              with:
                  markdown: |
                      ## Release Publication Summary

                      - Changelog file: `${{ env.CHANGELOG_FILE }}`
                      - Published tag: `v${{ steps.version.outputs.value }}`
                      - Release operation: `${{ steps.publish_release.outputs.operation }}`
                      - Release URL: ${{ steps.publish_release.outputs.url }}