name: shellcheck
on:
  push
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
       - name: Checkout repository
         uses: actions/checkout@v2
       - name: Environment variables
         run: sudo -E bash -c set
       - name: Install required packages
         run: sudo apt-get install shellcheck
       - name: "Check libraries"
         run: shellcheck -x -s bash lib/*.sh && echo "shellcheck lib/*.sh - OK";