release.yml

name: Cut release automatically

on:
  schedule:
    - cron: "0 14 25 * *"

jobs:
  check-changes:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: master
      - name: Check commits since last release
        id: count-commits
        run: |
          git fetch --depth=1 origin +refs/tags/*:refs/tags/*
          commits_since=$(git log $(git describe --tags --always --abbrev=0)..HEAD --oneline | wc -l)
          echo "Commits since last release: $commits_since"
          if [ "${commits_since}" == "0" ]; then
            echo "No release needed"
            exit 1
          else
            echo "Release needed"
          fi

  bump-and-pull-request:
    needs: check-changes
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: master
      - name: Bump version
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'
      - run: |
          pip install -r $GITHUB_WORKSPACE/requirements/release.txt
          newver=$(bumpversion --dry-run --list patch | grep new_version= | sed -r s,"^.*=",,)
          echo "NEW_VERSION=${newver}" >> $GITHUB_ENV
          echo "New version will be ${newver}"
          bumpversion patch
      - name: Create Pull Request
        id: cpr
        uses: peter-evans/create-pull-request@v7.0.6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: autorelease/${{ env.NEW_VERSION }}
          commit-message: Release version ${{ env.NEW_VERSION }}
          title: Release version ${{ env.NEW_VERSION }}
          body: This is an automated release that updates dependencies.
      - name: Show outputs
        run: |
          echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"