1 files changed, 128 insertions, 0 deletions

diff --git a/bootstrap/zsh.sh b/bootstrap/zsh.sh
new file mode 100755
index 0000000..b1780be
--- /dev/null
+++ b/bootstrap/zsh.sh
@@ -0,0 +1,128 @@
+#!/bin/sh
+
+set -eu
+
+OS="$(uname -s)"
+
+die() {
+  printf 'Fehler: %s\n' "$*" >&2
+  exit 1
+}
+
+have() {
+  command -v "$1" >/dev/null 2>&1
+}
+
+check_prerequisites() {
+  case "$OS" in
+  Darwin)
+    if ! have brew; then
+      die "Homebrew ist nicht installiert."
+    fi
+    ;;
+  FreeBSD)
+    if ! have doas; then
+      die "doas ist nicht installiert."
+    fi
+    ;;
+  *)
+    die "Nicht unterstütztes Betriebssystem: $OS"
+    ;;
+  esac
+}
+
+setup_homebrew_env() {
+  case "$OS" in
+  Darwin)
+    export HOMEBREW_NO_AUTO_UPDATE=1
+    export HOMEBREW_NO_INSTALL_CLEANUP=1
+    ;;
+  esac
+}
+
+install_pkg() {
+  binary="$1"
+  package="$2"
+
+  if have "$binary"; then
+    printf "✓ %-32s vorhanden\n" "$binary"
+    return
+  fi
+
+  printf "→ Installiere %s\n" "$package"
+
+  case "$OS" in
+  Darwin)
+    brew install "$package"
+    ;;
+  FreeBSD)
+    doas pkg install -y "$package"
+    ;;
+  esac
+}
+
+install_plugin() {
+  # zsh-syntax-highlighting/zsh-autosuggestions haben kein eigenes Binary,
+  # deshalb Pruefung anhand des von zsh/zshrc gesourceten Pfads.
+  file="$1"
+  package="$2"
+
+  if [ -e "$file" ]; then
+    printf "✓ %-32s vorhanden\n" "$package"
+    return
+  fi
+
+  printf "→ Installiere %s\n" "$package"
+
+  case "$OS" in
+  Darwin)
+    brew install "$package"
+    ;;
+  FreeBSD)
+    doas pkg install -y "$package"
+    ;;
+  esac
+}
+
+install_plugins() {
+  case "$OS" in
+  Darwin)
+    install_plugin "/opt/homebrew/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh" zsh-syntax-highlighting
+    install_plugin "/opt/homebrew/share/zsh-autosuggestions/zsh-autosuggestions.zsh" zsh-autosuggestions
+    ;;
+  FreeBSD)
+    install_plugin "/usr/local/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh" zsh-syntax-highlighting
+    install_plugin "/usr/local/share/zsh-autosuggestions/zsh-autosuggestions.zsh" zsh-autosuggestions
+    ;;
+  esac
+}
+
+install_tools() {
+  install_pkg pwgen pwgen
+  install_pkg mc mc
+}
+
+set_default_shell() {
+  zsh_path="$(command -v zsh)" || die "zsh wurde nicht gefunden."
+
+  if [ "${SHELL:-}" = "$zsh_path" ]; then
+    printf "✓ %-32s bereits Login-Shell\n" "zsh"
+    return
+  fi
+
+  printf "→ Setze zsh als Login-Shell (chsh)\n"
+  chsh -s "$zsh_path"
+}
+
+main() {
+  check_prerequisites
+  setup_homebrew_env
+
+  install_plugins
+  install_tools
+  set_default_shell
+
+  printf "\nBootstrap abgeschlossen.\n"
+}
+
+main "$@"