openscad-export.yml

name: OpenSCAD Export to STL and Auto-Tag

on:
  push:
    branches: [ main ]
  workflow_dispatch:

jobs:
  export-stl-and-tag:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      actions: read
    steps:
    - uses: actions/checkout@v2
      with:
        fetch-depth: 0

    - name: Install OpenSCAD
      run: |
        sudo snap install openscad

    - name: Export SCAD to STL
      run: |
        mkdir stl_files
        for file in *.scad
        do
          openscad -o stl_files/${file%.scad}.stl --export-format binstl -D '$fn=80' $file
        done

    - name: Zip STL files
      run: |
        zip -j combined.zip stl_files/*.stl

    - name: Generate new tag
      id: tag_version
      run: |
        git fetch --tags
        latest_tag=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
        new_tag=$(echo $latest_tag | awk -F. '{$NF = $NF + 1;} 1' | sed 's/ /./g')
        echo "NEW_TAG=$new_tag" >> $GITHUB_OUTPUT

    - name: Create and push tag
      run: |
        git config user.name github-actions
        git config user.email github-actions@github.com
        git tag ${{ steps.tag_version.outputs.NEW_TAG }}
        git push origin ${{ steps.tag_version.outputs.NEW_TAG }}

    - name: Create Release
      id: create_release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ steps.tag_version.outputs.NEW_TAG }}
        release_name: Release ${{ steps.tag_version.outputs.NEW_TAG }}
        draft: false
        prerelease: false

    - name: Upload Combined ZIP
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: ./combined.zip
        asset_name: combined.zip
        asset_content_type: application/zip

    - name: Upload Individual STL Files
      uses: svenstaro/upload-release-action@v2
      with:
        repo_token: ${{ secrets.GITHUB_TOKEN }}
        file: stl_files/*.stl
        tag: ${{ steps.tag_version.outputs.NEW_TAG }}
        overwrite: true
        file_glob: true