dotfiles/.github/workflows/shellcheck.yml at main · JoannaaKL/dotfiles · GitHub

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name: Shell Lint
permissions:
  contents: read

on:
  push:
    paths:
      - '**.sh'
      - '.github/workflows/shellcheck.yml'
  pull_request:
    paths:
      - '**.sh'
      - '.github/workflows/shellcheck.yml'

jobs:
  shellcheck:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Run ShellCheck
        run: |
          set -euo pipefail
          echo "Scanning shell scripts..."
          # Find all tracked *.sh files plus executable scripts with bash shebang
          SCRIPTS=$(git ls-files '*.sh')
          # Optionally include non-.sh executables with bash shebang
          while IFS= read -r f; do
            if head -1 "$f" | grep -qE '^#!.*bash'; then
              SCRIPTS+=$'\n'$f
            fi
          done < <(git ls-files | grep -v '\.sh$')

          # De-duplicate list
          echo "$SCRIPTS" | sort -u > /tmp/scripts.list
          echo "Files to check:"; cat /tmp/scripts.list
          # Run shellcheck (excluding vendor or 3rd-party dirs if any in future)
          xargs -a /tmp/scripts.list -r shellcheck --severity=style

      - name: Upload SARIF (optional code scanning)
        if: false
        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: results.sarif