fix: install.sh 路径改为 ~/Developer，首次 bootstrap 自动检测 darwin-rebuild

scripts/install.sh

@@ -2,18 +2,23 @@
 set -euo pipefail
 
 REPO_URL="https://git.furtherverse.com/imbytecat/nix-config.git"
-CONFIG_DIR="$HOME/.config/nix-config"
+CONFIG_DIR="$HOME/Developer/nix-config"
 
 if [[ -d "$CONFIG_DIR/.git" ]]; then
     git -C "$CONFIG_DIR" pull
 else
+    mkdir -p "$HOME/Developer"
     git clone "$REPO_URL" "$CONFIG_DIR"
 fi
 
 case "$(uname)" in
     Darwin)
         TARGET="${1:?Usage: $0 <mac-mini|macbook-air>}"
-        darwin-rebuild switch --flake "$CONFIG_DIR#$TARGET"
+        if command -v darwin-rebuild &>/dev/null; then
+            sudo darwin-rebuild switch --flake "$CONFIG_DIR#$TARGET"
+        else
+            sudo nix run nix-darwin -- switch --flake "$CONFIG_DIR#$TARGET"
+        fi
         ;;
     Linux)
         sudo nixos-rebuild switch --flake "$CONFIG_DIR#wsl"