A GitHub workflow that automatically creates a tag and release based on poetry version mismatch (publishes to GitHub and Pypi)

release.yml

# Automatically creates a new tag, GitHub release, and PyPi release if poetry version doesn't match last release version
name: Release

on:
  workflow_dispatch:
    branches:
      - main

  push:
    branches:
      - main

jobs:
  build:
    name: Release
    runs-on: ubuntu-latest
    steps:
      - name: Setup Python
        uses: actions/setup-python@v3
        with:
          python-version: 3.9
      - name: Checkout branch "main"
        uses: actions/checkout@v3
        with:
          ref: 'main'
          fetch-depth: 0
      - name: Install Global Dependencies
        run: pip install -U pip && pip install poetry wheel
      - name: Build project for distribution
        run: poetry build
      - name: Get Current Version
        id: get_version
        run: |
          TAG_NAME=$(poetry version -s)
          echo "TAG_NAME=v$TAG_NAME" >> $GITHUB_ENV
          echo "$TAG_NAME"
      - name: Check Released Versions
        id: get_last_release_version
        run: |
          LAST_RELEASE=$(git tag --sort=committerdate | tail -1)
          echo "LAST_RELEASE_VERSION=$LAST_RELEASE" >> $GITHUB_ENV
          echo "Last released tag: $LAST_RELEASE"
      - name: Check for Version Mismatch
        shell: bash
        if: ${{ env.LAST_RELEASE_VERSION != env.TAG_NAME }}
        run: |
          echo "New version found. Matching release will be created."
          echo "Last version: ${{ env.LAST_RELEASE_VERSION }}"
          echo "Current version: ${{ env.TAG_NAME }}"
      - name: Tag and Release GitHub Snapshot
        id: release-snapshot
        uses: ncipollo/release-action@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit: main
          tag: ${{ env.TAG_NAME }}
          skipIfReleaseExists: true
          draft: false
          prerelease: false
      - name: Publish to PyPI
        env:
          POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_TOKEN }}
        run: poetry publish