linux.yml

# This is a basic workflow to help you get started with Actions

name: Build

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the main branch
  push:
    paths:
      - linux
      - 'linux/**'
      
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build-linux"
  build-linux:
    # The type of runner that the job will run on
    runs-on: ubuntu-20.04
    
    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2
        with:
          submodules: true
      
      - name: Download and unzip current snapshot of Linux
        run: |
          LINUX_SHA=$(git rev-parse HEAD:linux)
          curl -L $GITHUB_SERVER_URL/jyoo0515/linux/archive/$LINUX_SHA.zip -o linux.zip && unzip linux.zip
          echo "LINUX_DIR=linux-$LINUX_SHA" >> $GITHUB_ENV
    
      - name: Install dependencies
        run: ./install-deps.sh
      
      - name: Build the unzipped source code
        run: ./build-linux.sh $LINUX_DIR