homeracker

---
name: Setup OpenSCAD
description: >
  Install system dependencies, OpenSCAD, and libraries with caching.
  Requires ubuntu runners.

inputs:
  scadm-version:
    description: Pinned scadm PyPI version. Takes precedence over scadm-requirements.
    required: false
    default: ''
  scadm-requirements:
    description: >
      Path to a requirements.txt containing a pinned scadm version (e.g. scadm==0.6.3).
      Used when scadm-version is not set.
    required: false
    default: ''
  scadm-source:
    description: >
      Local path to install scadm from (editable install).
      When set, overrides both scadm-version and scadm-requirements.
    required: false

runs:
  using: composite
  steps:
    - name: Set up Python
      uses: actions/setup-python@v6
      with:
        python-version: '3.14'

    - name: Install system dependencies
      shell: bash
      run: |
        set -euo pipefail
        sudo apt-get update
        sudo apt-get install -y --no-install-recommends xvfb libglu1-mesa libfuse2 libegl1 libxcb-cursor0

    - name: Resolve scadm version
      id: resolve-scadm
      shell: bash
      run: |
        if [[ -n "${{ inputs.scadm-source }}" ]]; then
          echo "version=source" >> "$GITHUB_OUTPUT"
        elif [[ -n "${{ inputs.scadm-version }}" ]]; then
          echo "version=${{ inputs.scadm-version }}" >> "$GITHUB_OUTPUT"
        elif [[ -n "${{ inputs.scadm-requirements }}" ]]; then
          if [[ ! -f "${{ inputs.scadm-requirements }}" ]]; then
            echo "::error::scadm-requirements file not found: ${{ inputs.scadm-requirements }}"
            exit 1
          fi
          version=$(sed -n 's/^[[:space:]]*scadm==\([^[:space:]#]*\).*/\1/p' "${{ inputs.scadm-requirements }}")
          if [[ -z "$version" ]]; then
            echo "::error::scadm not found in ${{ inputs.scadm-requirements }}"
            exit 1
          fi
          if [[ $(echo "$version" | wc -l) -ne 1 ]]; then
            echo "::error::Multiple scadm entries found in ${{ inputs.scadm-requirements }}"
            exit 1
          fi
          echo "version=$version" >> "$GITHUB_OUTPUT"
        else
          echo "::error::One of scadm-version, scadm-requirements, or scadm-source must be provided"
          exit 1
        fi

    - name: Cache OpenSCAD and libraries
      uses: actions/cache@v5
      with:
        path: bin/openscad
        key: openscad-${{ runner.os }}-${{ steps.resolve-scadm.outputs.version }}-${{ hashFiles('scadm.json') }}

    - name: Install OpenSCAD and dependencies
      shell: bash
      run: |
        if [[ -n "${{ inputs.scadm-source }}" ]]; then
          pip install -e "${{ inputs.scadm-source }}"
        else
          pip install scadm==${{ steps.resolve-scadm.outputs.version }}
        fi
        scadm install