build_and_publish.yaml

name: Build and publish

on: 
  pull_request:
  workflow_dispatch:
  push:
    branches:
      - master

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - name: Get the master branch (for checks)
      uses: actions/checkout@v4
      with:
        ref: 'refs/heads/master'
    - uses: actions/checkout@v4

    - name: Set up Python 3.7
      uses: actions/setup-python@v5
      with:
        python-version: 3.7
    - name: Cache pip
      uses: actions/cache@v4
      with:
        # This path is specific to Ubuntu
        path: ~/.cache/pip
        # Look to see if there is a cache hit for the corresponding requirements file
        key: ${{ runner.os }}-pip-${{ hashFiles('NuRadioMC/test/requirements.txt') }}
        restore-keys: |
          ${{ runner.os }}-pip-
          ${{ runner.os }}-

    - name: Install poetry
      run: |
        python -m pip install --upgrade pip
        pip install poetry
      # poetry recommends using curl to install - probably doesn't make a difference though?

    - name: Build NuRadioMC # let's always build - maybe this will occasionally catch errors
      run: poetry build

    - name: Check if version is updated
      if: ${{ github.ref != 'refs/heads/master'}} # don't run if we're on master
      run: |
        git checkout master
        export master_version=$(poetry version)
        git checkout $GITHUB_SHA
        if [ "$master_version" = "$(poetry version)" ]
        then
          echo Version number is the same as existing release. Please update the version number!
          exit 1
        fi

    - name: Publish distribution 📦 to Test PyPI
      if: ${{ github.ref == 'refs/heads/master'}} # only runs if the push is to master
      uses: pypa/gh-action-pypi-publish@master
      with:
        password: ${{ secrets.TEST_PYPI_API_TOKEN }}
        repository_url: https://test.pypi.org/legacy/

    - name: Publish distribution 📦 to PyPI
      if: ${{ github.ref == 'refs/heads/master'}} # only runs if the push is to master
      uses: pypa/gh-action-pypi-publish@master
      with:
        password: ${{ secrets.PYPI_API_TOKEN }}

    - name: Make tag and release
      if: ${{ github.ref == 'refs/heads/master'}} # only runs if the push is to master
      env:
        GH_TOKEN: ${{ github.token}}
      run: |
        export VERSION_NEW="$(poetry version -s)"
        export NEW_TAG=v$VERSION_NEW
        git tag $NEW_TAG -m "$NEW_TAG release"
        git push origin $NEW_TAG

        # we want to include the changelog since the last release
        # First, we use gh release and some regex to get the latest tag
        export LATEST_TAG=$(gh release list | sed -rn 's/.*Latest\s*(\S+).*/\1/p')
        # Next, we use some more regex to select
        # the section of the changelog between the new and latest versions:
        git diff --output-indicator-new=\| $LATEST_TAG $NEW_TAG changelog.txt | sed -rn "/^\|.*$VERSION_NEW/,/^[^|]/{s/\|//p}" | sed -n "2,\$p" > /tmp/changelog_$NEW_TAG.md

        gh release create $NEW_TAG --notes-file /tmp/changelog_$NEW_TAG.md --generate-notes