bump-patch.yml

name: Bump patch version

on: workflow_dispatch

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
      with:
        ssh-key: "${{ secrets.PUSH_TAG_PRIVATE_KEY }}"

    - name: Bump version
      run: |
        git fetch --tags
        # This suppress an error occurred when the repository is a complete one.
        git fetch --prune --unshallow || true
        # Get a latest tag in the shape of semver.
        latest_tag=''
        for ref in $(git for-each-ref --sort=-creatordate --format '%(refname)' refs/tags); do
          tag="${ref#refs/tags/}"
          if echo "${tag}" | grep -Eq '^v?([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?$'; then
            latest_tag="${tag}"
            break
          fi
        done
        if [ "${latest_tag}" = '' ]; then
          latest_tag="v0.0.0"
        fi
        # bump version
        npm install -g semver
        new_tag=v$(semver $latest_tag -i patch)
        echo "::debug::New tag is $new_tag"
        # push new tag
        git config user.name "${GITHUB_ACTOR}"
        git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
        git tag -a $new_tag -m "$new_tag"
        git push origin $new_tag