CI_check_version.yml

# This workflow will check that the code version was increased.
#
# It is triggered for any PR to the master branch.
#
# Warning: the code version must *absolutely* follow a semantic approach, i.e.:
# 10.0.1, 10.0.2.dev0 is valid
# 10.0, 10, is NOT valid !
#
# Copyright (c) 2022-2023 fpavogt; frederic.vogt@meteoswiss.ch

name: CI_check_version

on:
  pull_request:
    branches: [ master ]

jobs:
  version:

    runs-on: ubuntu-latest
    steps:

    - name: Checkout current repository
      uses: actions/checkout@v2

    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.11'

    - name: Install dependancies
      run: |
        python -m pip install --upgrade pip
        pip install setuptools
      shell: bash

    - name: wget/cp the BASE and HEAD version files
      # Here, I could get both the BASE and HEAD files with wget, but cp-ing the HEAD is safer,
      # since we have cloned the repo anyway.
      run: |
        export VERSION_LOC=src/dvas/version.py
        echo $GITHUB_HEAD_REF
        echo $GITHUB_BASE_REF
        wget -O base_version.tmp https://raw.githubusercontent.com/$GITHUB_REPOSITORY/$GITHUB_BASE_REF/$VERSION_LOC
        cp ./$VERSION_LOC head_version.tmp
      shell: bash

    - name: Check if the version was increased
      run: |
        HEAD_VERSION="$(grep VERSION head_version.tmp | grep -o '[[:alnum:]]*\.[[:alnum:]]*\.[[:alnum:]]*\.\?[[:alnum:]]*')"
        echo "HEAD_VERSION:" $HEAD_VERSION
        BASE_VERSION="$(grep VERSION base_version.tmp | grep -o '[[:alnum:]]*\.[[:alnum:]]*\.[[:alnum:]]*\.\?[[:alnum:]]*')"
        echo "BASE_VERSION:" $BASE_VERSION
        python ./.github/workflows/check_version.py $HEAD_VERSION $BASE_VERSION
      shell: bash