action.yaml

name: "Setup Conda"
description: "Sets up a conda project that is not on the root level of a GitHub repository."
inputs:
  path:
    description: "Path to the conda project within the repository"
    required: true
  env-name:
    description: "Name of the target conda environment"
    required: true
  miniconda-version:
    description: "Version of miniconda to use"
    required: false
    default: py39_4.12.0
  cache-number:
    description: "Identifier for the cache in case it should be refreshed"
    required: false
    default: "0"
  setup-miniconda:
    description: "Install miniconda"
    required: false
    default: "false"
  use-cache:
    description: "Try to use the cache"
    required: false
    default: "false"
runs:
  using: "composite"
  steps:
    - name: Setup miniconda
      if: inputs.setup-miniconda == 'true'
      uses: conda-incubator/setup-miniconda@v2
      with:
        activate-environment: ${{ inputs.env-name }}
        miniconda-version: ${{ inputs.miniconda-version }}
    - name: Get Date
      if: inputs.use-cache == 'true'
      id: get-date
      run: echo "::set-output name=today::$(/bin/date -u '+%Y%m%d')"
      shell: bash
    - name: Cache Conda env
      if: inputs.use-cache == 'true'
      uses: actions/cache@v3
      with:
        path: ${{ env.CONDA }}/envs
        key: conda-${{ runner.os }}--${{ runner.arch }}--${{ steps.get-date.outputs.today }}-${{ hashFiles(format('{0}/env.yml', env.FOLDER )) }}-${{ env.CACHE_NUMBER }}
      env:
        # Increase this value to reset cache if etc/example-environment.yml has not changed
        CACHE_NUMBER: ${{ inputs.cache-number }}
        FOLDER: ${{ inputs.path }}
      id: cached-conda-dependencies
    - name: Install dependencies for image_analysis
      if: inputs.use-cache != 'true' || steps.cached-conda-dependencies.outputs.cache-hit != 'true'
      run: conda env update -f ${FOLDER}/env.yml
      shell: bash
      env:
        FOLDER: ${{ inputs.path }}