gh-pages.yml

name: Build and Deploy

on:
  push:
    branches:
      - main
  release:
    branch: main
    types: [released]

jobs:
  build:
    permissions:
      contents: write
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the repository
        uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12.1'
      - name: Setup micromamba
        uses: mamba-org/setup-micromamba@v2
      - name: Install the dependencies
        run: |
          python -m pip install -r requirements.txt
      - name: Check the Pyodide version
        run: |
          echo "PYODIDE_SHA_SHORT=$(git submodule status pyodide | cut -c 2-8)" >> $GITHUB_ENV
      - name: Cache the Pyodide build
        uses: actions/cache@v4
        with:
          path: ./pyodide
          key: pyodide-${{ github.ref }}-${{ env.PYODIDE_SHA_SHORT }}
          restore-keys: |
            pyodide-${{ github.ref }}-${{ env.PYODIDE_SHA_SHORT }}
            pyodide-${{ github.ref }}
            pyodide-refs/heads/main
      - name: Ensure Pyodide source files are fresh
        run: |
          cd pyodide
          git status
          git diff --name-only | xargs git checkout --
      - name: Cache the Pyodide Docker image
        uses: ScribeMD/docker-cache@0.5.0
        with:
          key: docker-pyodide-${{ hashFiles('pyodide/Dockerfile') }}
      - name: Discover the cached Pyodide Docker image
        run: echo "PYODIDE_DOCKER_IMAGE=$(docker images climet-eu/pyodide --format '{{.ID}}')" >> $GITHUB_ENV
      - name: Build the Pyodide Docker image
        if: ${{ env.PYODIDE_DOCKER_IMAGE == '' }}
        run: |
          cd pyodide
          docker build -t climet-eu/pyodide .
          echo "PYODIDE_DOCKER_IMAGE=$(docker build . -q)" >> $GITHUB_ENV
      - name: Build Pyodide and all required packages
        run: |
          cd pyodide
          ./run_docker \
            --non-interactive \
            PYODIDE_PACKAGES="aiohttp,basemap,cdsapi,cfgrib,cf-units,cmcrameri,dask,earthkit,ecmwf-api-client,ecmwf-opendata,field-compression-benchmark,fsspec,git2,gribscan,h5netcdf,intake,ipyfilite,ipython,kerchunk,lzma,matplotlib,MetPy,netcdf4,numcodecs,numpy,pandas,pint,requests,scipy,sympy,s3fs,xarray,xeofs,zarr" \
            make
      - name: Extract the requirements.txt file
        continue-on-error: ${{ github.event_name != 'release' }}
        run: python tools/requirements.py
      - name: Clean up the pyodide build
        run: |
          cd pyodide
          find . -name jupyter-lite.json -delete
          find . -name jupyter_lite_config.json -delete
          mkdir -p packages/numpy/build
          touch packages/numpy/build/ls-success
          ls -d packages/*/build/* | xargs rm -r
      - name: Check the validity of the requirements.txt file
        continue-on-error: ${{ github.event_name != 'release' }}
        run: |
          python -m venv venv
          source venv/bin/activate
          python -m pip install -r files/requirements.txt --dry-run --ignore-installed
          deactivate
          rm -rf venv
      - name: Build the JupyterLite site
        run: |
          rm -f files/README.md && cp ./README.md files/
          mkdir -p static
          cp -r pyodide/dist static/pyodide
          rm -rf static/pyodide/*-tests.tar
          rm -f static/pyodide/tsconfig.tsbuildinfo
          jupyter lite build --output-dir staging
          cp ./_headers staging/
          cp static/favicons/favicon.ico staging/
          find staging/ -name favicon.ico | xargs -L1 cp -f static/favicons/favicon.ico
          rm -rf static
      - name: Get the current branch name
        uses: tj-actions/branch-names@v8
        id: branch
      - name: Compute the current version name
        run: echo "VERSION=${{ steps.branch.outputs.current_branch || steps.branch.outputs.tag }}" >> $GITHUB_ENV
      - name: Checkout the previous dist branch
        uses: actions/checkout@v4
        with:
          ref: dist
          path: dist
        continue-on-error: ${{ github.event_name != 'release' }}
      - name: Merge the different dist versions
        run: |
          mkdir -p dist
          rm -rf dist/${{ env.VERSION }}
          mv staging dist/${{ env.VERSION }}
      - name: Deploy to dist branch
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_branch: dist
          publish_dir: ./dist
          keep_files: false
          force_orphan: true