example-14.yml

name: "Example 14: Remove defaults channel"

on:
  pull_request:
    branches:
      - "*"
  push:
    branches:
      - "develop"
      - "main"
      - "master"
  schedule:
    # Note that cronjobs run on master/main by default
    - cron: "0 0 * * *"

concurrency:
  group:
    ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: true

jobs:
  example-14:
    # prevent cronjobs from running on forks
    if:
      (github.event_name == 'schedule' && github.repository ==
      'conda-incubator/setup-miniconda') || (github.event_name != 'schedule')
    name:
      Ex14 (${{ matrix.os }}, remove=${{ matrix.conda-remove-defaults }},
      channels=${{ matrix.channels }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
        conda-remove-defaults: ["true", "false"]
        channels:
          [
            "conda-forge",
            "conda-forge,nodefaults",
            "conda-forge,defaults,nodefaults",
          ]
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: ./
        id: setup-miniconda
        continue-on-error: true
        with:
          channels: ${{ matrix.channels }}
          conda-remove-defaults: ${{ matrix.conda-remove-defaults }}
          python-version: "3.12"
      - shell: bash -el {0}
        run: |
          cat <<EOF | python
          import json
          import os
          from subprocess import check_output

          out = check_output(
            [
              os.environ["CONDA_EXE"],
              "config",
              "--show",
              "channels",
              "--json",
            ]
          )
          channels = json.loads(out)["channels"]
          input_channels = "${{ matrix.channels }}".split(",")
          remove_defaults = "${{ matrix.conda-remove-defaults }}" == "true"

          print("Input channels:", input_channels)
          print("Input remove-defaults:", remove_defaults)
          print("Computed channels:", channels)

          assert "nodefaults" not in channels
          if "defaults" in input_channels:
            assert "defaults" in channels
          elif "nodefaults" in input_channels or remove_defaults:
            assert "defaults" not in channels
          EOF