build-and-release.yml

name: Build and Release Conda

on:
  push:
    branches: [ master ]
  pull_request:
  create:
    tags:
      - v*
  workflow_dispatch:

env:
  conda_version: 4.12.0
  conda_build_version: 3.21.8
jobs:
  set-anaconda-tag:
    runs-on: ubuntu-latest
    outputs:
      anaconda-tag: ${{ steps.anaconda-tag.outputs.tag }}
    steps:
    - name: Set Tag for Anaconda
      id: anaconda-tag
      run:
        if [[ $GITHUB_REF == 'refs/heads/master' ]]; then
          echo "tag=dev" >> $GITHUB_OUTPUT;
        elif [[ $GITHUB_REF =~ refs/tags/* ]]; then 
          echo "tag=main" >> $GITHUB_OUTPUT;
        fi
  build-windows:
    strategy:
      matrix:
        python_version:  ['3.7', '3.8', '3.9', '3.10']
    runs-on: windows-2019

    steps:
    - uses: actions/checkout@v3
    - name: Add Conda
      uses: conda-incubator/setup-miniconda@v2
      with:
        auto-update-conda: true
        python-version: ${{ matrix.python_version }}
    - name: Add scripts path
      run: echo "$env:CONDA\Scripts" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
    - name: Updating conda-build...
      shell: cmd
      run: |
        # on Windows conda is a bat file that will exit it not "CALL"'d
        # https://docs.conda.io/projects/conda/en/latest/user-guide/troubleshooting.html#using-conda-in-windows-batch-script-exits-early
        call activate
        call conda update --yes conda
        call conda install --yes conda-build
        call conda create --yes --quiet --name bld --no-default-packages
        call conda install --yes --name bld conda-build=${{ env.conda_build_version }}
    - name: Building...
      shell: cmd
      run: | 
        call activate bld
        call conda build --no-build-id --python "${{ matrix.python_version }}" --output-folder channel recipe
    - name: Publishing artifact...
      uses: actions/upload-artifact@v3
      with:
        path: "channel/*/simpleitk*.tar.bz2"

  build-linux:
    strategy:
      matrix:
        python_version: ['3.7', '3.8', '3.9', '3.10']
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        name: Checkout 

      - name: Add conda to PATH
        shell: bash
        run: echo "$CONDA/bin" >> $GITHUB_PATH

      - name: "Creating updated environment with conda-build..."
        shell: bash
        run: |
          source activate
          conda update --yes conda
          conda create --yes --quiet --name bld --no-default-packages
          conda install --yes --name bld conda-build
          
      - name: "Building conda package..."
        shell: bash
        run: |          
          set -x
          source activate bld
          conda build --python ${{ matrix.python_version }} --output-folder channel recipe
      - uses: actions/upload-artifact@v3
        with:
          path: "${{github.workspace}}/channel/*/simpleitk*.tar.bz2"

  build-mac:
    strategy:
      matrix:
        python_version: ['3.7', '3.8', '3.9', '3.10']
    env:
      MACOSX_SDK: '10.10'
      MACOSX_DEPLOYMENT_TARGET: '10.9'
    runs-on: macos-11
    steps:
      - uses: actions/checkout@v3
        name: Checkout 
      - name: Take ownership of conda installation
        run: sudo chown -R $USER $CONDA
        shell: bash 
      - name: Add conda to PATH
        shell: bash
        run: echo "$CONDA/bin" >> $GITHUB_PATH
      - name: "Creating updated environment with conda-build..."
        shell: bash
        run: |
          set -x
          sudo xcode-select --switch /Applications/Xcode_11.7.0.app
          xcode-select -p

          # https://docs.conda.io/projects/conda-build/en/latest/resources/compiler-tools.html?highlight=CONDA_BUILD_SYSROOT#macos-sdk
          echo "Downloading ${MACOSX_SDK} sdk"
          curl -L -O https://github.com/phracker/MacOSX-SDKs/releases/download/10.15/MacOSX${MACOSX_SDK}.sdk.tar.xz
          tar -xf MacOSX${MACOSX_SDK}.sdk.tar.xz -C "$(xcode-select -p)/Platforms/MacOSX.platform/Developer/SDKs"

          # path autoloaded: https://docs.conda.io/projects/conda-build/en/latest/resources/variants.html#creating-conda-build-variant-config-files
          cat << EOF >> ~/conda_build_config.yml
          CONDA_BUILD_SYSROOT:
             - $(xcode-select -p)/Platforms/MacOSX.platform/Developer/SDKs/MacOSX${MACOSX_SDK}.sdk
          MACOSX_DEPLOYMENT_TARGET:
             - ${MACOSX_DEPLOYMENT_TARGET}
          EOF
          
          source activate
          conda update --yes conda
          conda create --yes --quiet --name bld --no-default-packages
          conda install --yes --name bld conda-build
      - name: "Building conda package..."
        shell: bash
        run: |
          export PYTHONUNBUFFERED=1
          set -x
          source activate bld
          conda build --python ${{ matrix.python_version }}  --output-folder channel recipe
      - uses: actions/upload-artifact@v3
        with:
          path: "${{github.workspace}}/channel/*/simpleitk*.tar.bz2"
  
  publish:
    environment: 
      name: release
    runs-on: ubuntu-latest
    if: ${{ github.event_name != 'pull_request' }}
    needs: [build-windows, build-linux, build-mac, set-anaconda-tag]

    steps:
    - uses: actions/download-artifact@v4.1.7
    - name: Verify files
      run: ls -LR

    - name: Add conda to PATH
      shell: bash
      run: echo "$CONDA/bin" >> $GITHUB_PATH

    - name: "Creating updated environment with conda-build..."
      shell: bash
      run: |
        source activate
        conda update --yes conda
        conda install --yes anaconda-client

    - name: Sign into anaconda and upload
      run: |
        anaconda upload --force --no-progress --user ${ANACONDA_ORGANIZATION} --label ${ANACONDA_LABEL} ./artifact/*/*.tar.bz2
      env:
        ANACONDA_ORGANIZATION: simpleitk
        ANACONDA_API_TOKEN: ${{ secrets.ANACONDA_API_TOKEN }}
        ANACONDA_LABEL: ${{needs.set-anaconda-tag.outputs.anaconda-tag}}