godark

#!/usr/bin/env bash
set -euo pipefail

echo "[*] Godark – one-shot declarative macOS bootstrap"

REAL_USER=$(logname)                       # logged-in user
USER_HOME=$(dscl . -read /Users/$REAL_USER NFSHomeDirectory | awk '{print $2}')
FLAKE="$USER_HOME/mac-config#macbook"

#──────────────────────────────── 1. Nix ────────────────────────────
if ! command -v nix &>/dev/null; then
  echo "[+] Installing Nix…"
  /bin/bash -c "$(curl -L https://nixos.org/nix/install)" -- --daemon
  . /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh
else
  echo "[✓] Nix present."
fi

#────────────────────────────── 2. Flakes ───────────────────────────
sudo mkdir -p /etc/nix
grep -q flakes /etc/nix/nix.conf 2>/dev/null || \
  echo "experimental-features = nix-command flakes" | sudo tee -a /etc/nix/nix.conf >/dev/null

#────────────────────────── 3. nix-darwin ───────────────────────────
if ! command -v darwin-rebuild &>/dev/null; then
  echo "[+] Installing nix-darwin…"
  nix run github:lnl7/nix-darwin -- switch --flake "$FLAKE"
fi

#───────────────────────── 4. Homebrew  ─────────────────────────────
if ! command -v brew &>/dev/null; then
  echo "[+] Installing Homebrew (non-interactive)…"
  NONINTERACTIVE=1 CI=1 /bin/bash -c \
    "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
fi

#──  fix ~/.zprofile ownership & append brew shellenv  ──────────────
sudo -u "$REAL_USER" bash -c '
  touch ~/.zprofile
  grep -q "brew shellenv" ~/.zprofile 2>/dev/null || \
    echo "eval \"$(/opt/homebrew/bin/brew shellenv)\"" >> ~/.zprofile
'
eval "$(/opt/homebrew/bin/brew shellenv)"

echo "[✓] Homebrew ready: $(brew --version | head -n1)"

#────────────────────── 5. Switch system state  ────────────────────
echo "[*] Running darwin-rebuild switch…"
sudo darwin-rebuild switch --flake "$FLAKE" --impure

echo "[✓] All done.  Dock pruned, Brave + Proton VPN + UTM installed."
echo "↪  Re-open a new terminal or reboot to pick up PATH."