lint.yml

name: Shell Script Linter

permissions:
  contents: read

on:
  push:
    branches: [ "main", "test", "dev"]
    paths: [ "du_setup.sh", "README.me", ".github/workflows/lint.yml" ]
  pull_request:
    branches: [ "main" ]
    paths: [ "du_setup.sh", "README.me", ".github/workflows/lint.yml" ]

jobs:
  shellcheck:
    name: Shellcheck
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
      - name: Install ShellCheck
        run: sudo apt-get update && sudo apt-get install -y shellcheck
      - name: Run Shellcheck
        run: |
          set -o pipefail

          files_to_check=$(find . -type f -name "*.sh" -not -path "./.git/*")

          if [ -z "$files_to_check" ]; then
            echo "No .sh files found to check."
            exit 0
          fi

          echo "--- Checking for all warnings and style issues ---"
          echo "$files_to_check" | xargs shellcheck -f gcc | while IFS= read -r line; do
            file=$(echo "$line" | cut -d: -f1)
            line_no=$(echo "$line" | cut -d: -f2)
            message=$(echo "$line" | cut -d: -f4-)
            echo "::warning file=$file,line=$line_no::$message"
          done || true

          echo "--- Checking for critical errors ---"
          echo "$files_to_check" | xargs shellcheck --severity=error