shellcheck.yml

name: ShellCheck Modified Files

on:
  pull_request:
    branches:
      - master
    paths:
      - "**/*.sh"

jobs:
  shellcheck:
    name: ShellCheck
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install ShellCheck
        run: |
          sudo apt-get update
          sudo apt-get install -y shellcheck

      - name: Get changed files
        id: changed-files
        run: |

          CHANGED_FILES=$(git diff --name-only origin/master | grep '\.sh$' || true)
          echo "Found changed files:"
          echo "$CHANGED_FILES"

          {
            echo "files<<EOF"
            echo "$CHANGED_FILES"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Run ShellCheck on changed files
        if: steps.changed-files.outputs.files != ''
        run: |
          # Print files being checked
          echo "Checking files: ${{ steps.changed-files.outputs.files }}"
          FILES="${{ steps.changed-files.outputs.files }}"
          # Check if FILES is not empty
          if [ -n "$FILES" ]; then
            while IFS= read -r file; do
                if [ -n "$file" ]; then
                    echo "Checking $file..."
                    if ! shellcheck -x "$file"; then
                        # If shellcheck fails, output error in GitHub Actions format
                        echo "::error file=$file::ShellCheck found issues in $file"
                        exit 1
                    fi
                    echo "shellcheck for $file success..."
                fi
            done <<< "$FILES"
          fi