action.yml

name: Matrix

inputs:
  systems:
    description: 'Space separated list of systems to build and test the tool on.'
    required: false
    type: string
    default: 'msys mingw32 mingw64 ucrt64 clang32 clang64'
outputs:
  jobs:
    description: "List of MSYS2 systems to be used in the matrix of other jobs."
    value: ${{ steps.jobs.outputs.jobs }}

runs:
  using: 'composite'
  steps:
    - name: Generate list of jobs
      shell: python
      id: jobs
      run: |
        import os
        icons = {
          'msys':    '🟪',
          'mingw32': '⬛',
          'mingw64': '🟦',
          'ucrt64':  '🟨',
          'clang32': '🟫',
          'clang64': '🟧',
        }
        jobs = [
            {'sys': sys.lower(), 'icon': icons[sys.lower()]}
            for sys in '${{ inputs.systems }}'.split(' ')
        ]
        with open(os.environ['GITHUB_OUTPUT'], 'a', encoding='utf-8') as h:
          h.write(f"jobs={jobs!s}\n")