bump.yml

name: Automatically bump the package version

on:
  push:
    branches:
      - main

jobs:
  bump:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v5

      - name: Install dependencies
        run: |
          pip install setuptools_scm

      - name: Figure out the next tag
        shell: python
        id: get_next_tag
        run: |
          import os
          import setuptools_scm
          from packaging import version
          v = version.parse(setuptools_scm.get_version())
          with open(os.environ['GITHUB_OUTPUT'], 'a') as fh:
            print(f'tag=v{v.major}.{v.minor}.{v.micro + 1}', file=fh)

      - name: Debug the next tag
        run: echo ${{ steps.get_next_tag.outputs.tag }}

      - name: Create a tag and push it
        run: |
          git tag ${{ steps.get_next_tag.outputs.tag }}
          git push origin main
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}