name: check

on:
  push:
  pull_request:

permissions:
  contents: read

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install validation tools
        run: sudo apt-get update && sudo apt-get install -y shellcheck tmux vim-nox

      - name: Check shell scripts
        run: |
          bash -n install.sh bash_tools.sh
          shellcheck install.sh bash_tools.sh

      - name: Check Python
        run: python3 -m compileall -q win-install.py

      - name: Check Vim startup
        run: vim -Nu "$PWD/.vimrc" -n -es -c 'doautocmd VimEnter' -c 'qa!'

      - name: Check tmux configuration
        run: |
          tmux -L dotfiles-check -f "$PWD/.tmux.conf" new-session -d
          tmux -L dotfiles-check kill-server

      - name: Reject empty tracked files
        shell: bash
        run: |
          while IFS= read -r -d '' file; do
            [[ -s "$file" ]] || { echo "Empty tracked file: $file"; exit 1; }
          done < <(git ls-files -z)