FriendsOfPHP/pickle

name: Create draft release

on:
  create:
    tags:
      - "*"

jobs:
  create-release:
    name: Create release
    runs-on: ubuntu-latest
    env:
      RELEASE_NAME: ""
      PATHS_FOR_RELEASE_NOTES: "box.json.dist composer.json src/"
    steps:
      - name: Check tag format
        if: github.event_name == 'create' && github.event.ref_type == 'tag'
        run: |
          VERSION="$(printf '%s' "$GITHUB_REF" | sed -E 's/^refs\/tags\/v?([0-9]+\.[0-9]+\.[0-9]+.*)$/\1/')"
          if printf '%s' "$VERSION" | grep -Eq '^[0-9]+\.[0-9]+\.[0-9]+'; then
            printf 'The tag %s is for version %s\n' "${GITHUB_REF#refs/tags/}" "$VERSION"
            printf 'RELEASE_NAME=%s\n' "$VERSION" >> "$GITHUB_ENV"
          else
            printf 'The ref %s is not for a version\n' "$GITHUB_REF"
          fi
      - name: Checkout
        if: env.RELEASE_NAME != ''
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Setup PHP
        if: env.RELEASE_NAME != ''
        uses: shivammathur/setup-php@v2
        with:
          php-version: "7.2"
          tools: composer:v2
          coverage: none
          ini-values: phar.readonly=0
      - name: Install Box
        if: env.RELEASE_NAME != ''
        run: composer global require 'kherge/box=~2.7' --prefer-source
      - name: Install Composer dependencies
        if: env.RELEASE_NAME != ''
        run: composer install --no-dev --no-progress --optimize-autoloader --ansi --no-interaction --no-cache
      - name: Create PHAR file
        if: env.RELEASE_NAME != ''
        run: '"$(composer global config bin-dir --absolute --quiet)/box" --ansi --no-interaction build'
      - name: Build release notes
        if: env.RELEASE_NAME != ''
        run: |
          CURRENT_TAG_FOUND=n
          PREVIUOS_TAG=
          RELEASE_NOTES=
          for TAG in $(git tag --list --sort=-version:refname); do
            if printf '%s' "$TAG" | grep -Eq '^v?[0-9]+\.[0-9]+\.[0-9]+'; then
              if test $CURRENT_TAG_FOUND = n; then
                if test "$TAG" = "${GITHUB_REF#refs/tags/}"; then
                  CURRENT_TAG_FOUND=y
                fi
              else
                PREVIUOS_TAG="$TAG"
                break
              fi
            fi
          done
          if test $CURRENT_TAG_FOUND = n; then
            echo 'Unable to build the release notes (current tag not found)'
          elif test -z "$PREVIUOS_TAG"; then
            echo 'Unable to build the release notes (previous release tag not found)'
          else
            RELEASE_NOTES="$(git log --format='- %s' --no-merges --reverse "refs/tags/$PREVIUOS_TAG...$GITHUB_REF" -- $PATHS_FOR_RELEASE_NOTES)"
            if test -z "$RELEASE_NOTES"; then
              printf 'Unable to build the release notes (empty commit list since %s)\n' "$PREVIUOS_TAG"
            else
              printf 'Detected release notes since %s:\n%s\n' "$PREVIUOS_TAG" "$RELEASE_NOTES"
            fi
          fi
          if test -z "$RELEASE_NOTES"; then
            RELEASE_NOTES='n/a'
          fi
          printf '%s' "$RELEASE_NOTES" >new-release-notes.txt
      - name: Create draft release
        if: env.RELEASE_NAME != ''
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ github.event.ref }}
          release_name: ${{ env.RELEASE_NAME }}
          body_path: ./new-release-notes.txt
          draft: true
          prerelease: false
      - name: Attach release assets
        if: env.RELEASE_NAME != ''
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: ./pickle.phar
          asset_name: pickle.phar
          asset_content_type: application/octet-stream
      - name: Hint
        if: env.RELEASE_NAME != ''
        run: |
          printf "\n\n#####\n\nWe created the %s DRAFT release.\nIt's NOT YET PUBLISHED though: in order to do that, maintainers have to manually publish by visiting\nhttps://github.com/FriendsOfPHP/pickle/releases\n\n#####\n\n" "$RELEASE_NAME"