release.yml

name: Release

# Builds the installable zip on a tag. WordPress expects a single top-level
# folder inside the zip, and that folder's name becomes the plugin directory —
# which the text domain is loaded from. So it must be `picpeak`, not the
# repository name.

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Check the plugin header version matches the tag
        if: startsWith(github.ref, 'refs/tags/v')
        run: |
          tag="${GITHUB_REF_NAME#v}"
          header=$(grep -m1 '^ \* Version:' picpeak.php | sed 's/.*Version:[[:space:]]*//')
          if [ "$tag" != "$header" ]; then
            echo "Tag $tag does not match the plugin header version $header" >&2
            exit 1
          fi

      - name: Lint every PHP file
        run: |
          docker run --rm -v "$PWD":/app -w /app php:7.4-cli \
            sh -c 'for f in picpeak.php includes/*.php; do php -l "$f" || exit 1; done'

      - name: Build the zip
        run: |
          mkdir -p build/picpeak
          rsync -a --exclude-from=.distignore ./ build/picpeak/
          cd build && zip -rq picpeak.zip picpeak

      - name: Attach it to the release
        if: startsWith(github.ref, 'refs/tags/v')
        uses: softprops/action-gh-release@v2
        with:
          files: build/picpeak.zip

      - uses: actions/upload-artifact@v4
        with:
          name: picpeak-plugin
          path: build/picpeak.zip