Create unitypackage file without Unity Editor Installation.

Create a workflow .yml file in your repositories .github/workflows directory. An example workflow is available below. For more information, reference the GitHub Help Documentation for Creating a workflow file.

• package-path - Output unitypackage path relative from working-folder. This should end with .unitypackage.
• include-files - A file path which includes .meta files&directories relative from working-folder. Each line of this file should ends with .meta file extension. Do not forget about directories.

• project-folder - Unity project folder relative from working-folder. Default Value => "./"
• working-folder - This action changes directory at first step. All other input values are then read at working-folder. Default Value => "./"

name: Create Unity Package

on: push

jobs:
  echo:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - run: |
        echo "Assets/Voiceer.meta" > metaList
        find Assets/Voiceer/ -name \*.meta >> metaList

    - run: mkdir a

    - uses: pCYSl5EDgo/create-unitypackage@master
      with:
        package-path: 'a/output.unitypackage'
        include-files: metaList
    - uses: actions/upload-artifact@master
      with:
        path: a
        name: package

The scripts and documentation in this project are released under the MIT License