release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'New version number (e.g. 6.3.0)'
        required: true
        type: string

jobs:
  validate:
    name: Validate version
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.check.outputs.version }}
    steps:
      - uses: actions/checkout@v5
      - name: Check version is valid and greater than current
        id: check
        run: |
          NEW="${{ inputs.version }}"

          # Must match semver X.Y.Z
          if ! echo "$NEW" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+$'; then
            echo "::error::Version '$NEW' is not valid semver (expected X.Y.Z)"
            exit 1
          fi

          CURRENT=$(grep -E '^version\s*=\s*"[0-9]+' pyproject.toml | head -n1 \
            | sed -E 's/.*version\s*=\s*"([^"]+)".*/\1/')

          echo "Current version: $CURRENT"
          echo "Requested version: $NEW"

          version_key() {
            echo "$1" | awk -F. '{ printf "%05d%05d%05d", $1, $2, $3 }'
          }

          if [ "$(version_key "$NEW")" -le "$(version_key "$CURRENT")" ]; then
            echo "::error::New version ($NEW) must be greater than current version ($CURRENT)"
            exit 1
          fi

          echo "version=$NEW" >> "$GITHUB_OUTPUT"

  test:
    name: Test
    needs: validate
    uses: ./.github/workflows/test.yml
    with:
      fail-fast: true

  release:
    name: Bump, tag and create draft release
    needs: test
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Generate GitHub App token
        id: app-token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ secrets.GH_APP_ID }}
          private-key: ${{ secrets.GH_APP_PRIVATE_KEY }}

      - uses: actions/checkout@v5
        with:
          token: ${{ steps.app-token.outputs.token }}
          ref: master

      - name: Bump version in pyproject.toml
        run: |
          NEW="${{ needs.validate.outputs.version }}"
          awk -v newver="$NEW" '
            BEGIN{inproj=0;done=0}
            /^\[project\]/{inproj=1}
            inproj && !done && /version\s*=/{sub(/version\s*=\s*"[^"]+"/, "version = \"" newver "\""); done=1}
            {print}
          ' pyproject.toml > pyproject.toml.tmp && mv pyproject.toml.tmp pyproject.toml

      - name: Commit, tag and push
        run: |
          NEW="${{ needs.validate.outputs.version }}"
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add pyproject.toml
          git commit -m "Bump ynca version to $NEW"
          git tag -a "v$NEW" -m "Version $NEW"
          git push --follow-tags

      - name: Create draft release
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
        run: |
          NEW="${{ needs.validate.outputs.version }}"
          gh release create "v$NEW" \
            --draft \
            --generate-notes \
            --title "v$NEW"