check

#!/usr/bin/env bash

set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

die() {
  printf 'error: %s\n' "$*" >&2
  exit 1
}

if [[ "$#" -ne 0 ]]; then
  die "check does not accept arguments"
fi

for required_command in bash git shellcheck shfmt vim zsh; do
  if ! command -v "$required_command" >/dev/null 2>&1; then
    die "$required_command is required; run the package installer first"
  fi
done

cd "$ROOT_DIR"

bash_scripts=(
  bootstrap
  check
  install-packages
  linux/bootstrap
  linux/install-packages
  macos-defaults.sh
)

zsh_configs=(
  .zprofile
  .zshrc
  linux/.zshrc
)

echo "Checking Bash syntax..."
for script in "${bash_scripts[@]}"; do
  bash -n "$script"
done

echo "Checking zsh syntax..."
for config in "${zsh_configs[@]}"; do
  zsh -n "$config"
done

echo "Running ShellCheck..."
shellcheck "${bash_scripts[@]}"

echo "Checking Bash formatting..."
shfmt -d -i 2 -ci "${bash_scripts[@]}"

echo "Parsing Git configuration..."
git config --file git/config --list >/dev/null
git config --file linux/git/config --list >/dev/null

echo "Loading Vim configuration..."
vim -Nu .vimrc -n -es -i NONE '+quitall'

if [[ "$(uname -s)" == "Darwin" ]]; then
  GHOSTTY_BIN="/Applications/Ghostty.app/Contents/MacOS/ghostty"

  if [[ ! -x "$GHOSTTY_BIN" ]]; then
    die "Ghostty is required; run the package installer first"
  fi

  echo "Validating Ghostty configuration..."
  "$GHOSTTY_BIN" +validate-config --config-file=ghostty/config.ghostty
fi

echo "Checking whitespace..."
grep_status=0
git grep -nI -E '[[:blank:]]+$' || grep_status=$?

case "$grep_status" in
  0) die "tracked files contain trailing whitespace" ;;
  1) ;;
  *) die "git grep failed while checking whitespace" ;;
esac

git diff --check
git diff --cached --check

echo "All checks passed."