validate.yaml

name: validate
on:  
  push:
    branches:
      - master
    paths:
      - '**.ipynb'      
  pull_request:
    branches:
      - master
    paths:
      - '**.ipynb'      

jobs:
    build:
        name: validate notebooks
        runs-on: ubuntu-latest

        defaults:
            run:
              shell: bash -l {0}
        
        steps:
            - uses: actions/checkout@v4

            - name: setup env
              uses: conda-incubator/setup-miniconda@v3
              with:                
                activate-environment: cmip6env
                channels: conda-forge
                mamba-version: "*"
                channel-priority: strict
                auto-update-conda: false
                environment-file: environment.yml
                auto-activate-base: false

            - name: verify env
              run: |
                conda info
                conda list

            - name: get changed ipynb files
              id: changed-ipynb-files
              uses: tj-actions/changed-files@v44
              with:          
                files: |
                    **.ipynb

            - name: validate all changed ipynb files
              if: steps.changed-ipynb-files.outputs.any_changed == 'true'
              env:
                ALL_CHANGED_FILES: ${{ steps.changed-ipynb-files.outputs.all_changed_files }}
              run: |                
                for file in ${ALL_CHANGED_FILES}; do
                    echo "$file was changed"
                    papermill -k cmip6env $file -
                done