release.yml

name: Release

on: create

jobs:
    release:
        if: ${{ startsWith(github.ref, 'refs/heads/release/v') }}
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v3
              with:
                  token: ${{ secrets.TOWNCRIER_TOKEN }}
                  fetch-depth: 0
                  submodules: true

            - name: Set up Python 3.10
              uses: actions/setup-python@v4
              with:
                  python-version: "3.10"

            - name: Extract the tag
              id: vars
              run: |
                  echo "::set-output name=tag::${GITHUB_REF##*/}"

            - name: Check tag validity
              env:
                  VERSION: ${{ steps.vars.outputs.tag }}
              run: |
                  grep "^v[[:digit:]]\.[[:digit:]]\.[[:digit:]]$" <<< "$VERSION" || (echo "Invalid version: '$VERSION'" && exit 42)

            - name: Install dependencies
              run: |
                  sudo apt install pandoc
                  python -m pip install --upgrade pip
                  pip install tox bump2version
                  pip install -e '.'

            - name: Check generated docs
              run: |
                  tox -e check-docs

            - name: Bump the version
              # the part (patch) doesn't matter when supplying --new-version
              env:
                  VERSION: ${{ steps.vars.outputs.tag }}
              run: |
                  bump2version patch --no-commit --no-tag --verbose --new-version "${VERSION/v/}"

            - name: Commit version bump
              uses: stefanzweifel/git-auto-commit-action@v4
              with:
                  file_pattern: .bumpversion.cfg
                  commit_user_name: CI
                  commit_message: ${{ format('[auto][ci skip] Release {0}', steps.vars.outputs.tag) }}
                  tagging_message: ${{ steps.vars.outputs.tag }}
                  skip_dirty_check: false

            # `Test` triggers `Deployment`
            # TODO(michalk8): can't find WD for `Test`
            - name: Invoke deployment workflow
              uses: benc-uk/workflow-dispatch@v1
              with:
                  workflow: Deployment
                  token: ${{ secrets.RELEASE_DISPATCH_TOKEN }}
                  inputs: '{ "reason": "release" }'