myputer specific changes

deploy

@@ -1,3 +1,58 @@
 #!/usr/bin/env bash
-sudo nixos-rebuild switch --flake .
-#nixos-rebuild build --flake .# --cores 8 -j 1
+set -e
+
+usage="Usage: $(basename $0) [OPTIONS]
+
+Options:
+  -f, --fresh              Remove old content in the nixstore (good for debugging)
+  -b, --bootloader         Reinstall the bootloader
+  -h, --help               Show this message (^_^)"
+
+# delete all cached entries
+# to make the system from scratch
+collect_garbage () {
+	sudo nix-collect-garbage --delete-old
+}
+
+rebuild_flake () {
+	# make sure all changes are visible to nixos
+	git add . --verbose
+	if [ "$1" = "reinstall-bootloader" ]; then
+		sudo nixos-rebuild switch --flake . --install-bootloader
+	else	
+		sudo nixos-rebuild switch --flake .
+		#nixos-rebuild build --flake .# --cores 8 -j 1
+	fi
+}
+
+# check which flags were given
+flag_fresh=false
+flag_bootloader=false
+for flag in "$@"; do
+	case "$flag" in
+		-f|--fresh) 
+			flag_fresh=true ;;
+		-b|--bootloader) 
+			flag_bootloader=true ;;
+		-h|--help)
+			echo "$usage"
+			exit 0 ;;
+		*)
+			echo "[!] Unknown flag \"$flag\""
+			exit 1 ;;
+	esac
+done
+
+# delete cached items in nixstore
+if [ "$flag_fresh" = true ]; then
+	collect-garbage
+	exit 0
+fi
+
+# nixos-rebuild switch ...
+if [ "$flag_bootloader" = true ]; then
+	collect-garbage
+	rebuild_flake "reinstall-bootloader"
+else
+	rebuild_flake
+fi