nixos-edit: command for adding packages

home.nix

@@ -41,6 +41,7 @@ in
     hyfetch
     libreoffice
     (import ./traewelling.script.nix)
+    #marker.pkgs.end#
   ] ++ (with pkgs; [ 
     freecad
     nheko

nixos-edit.script.nix

@@ -14,6 +14,7 @@ pkgs.writeShellScriptBin "nixos-edit" ''
 		echo " - update   -- update the system"
 		echo " - clean    -- does housekeeping"
 		echo " - init     -- initialize the system (only run once)"
+		echo " - add      -- installs a package"
 		echo
 		echo "edit is the default mode."
 		exit 0
@@ -84,7 +85,10 @@ pkgs.writeShellScriptBin "nixos-edit" ''
 		exit
 	fi
 
-	[ "$1" = "edit" ] || [ "$1" = "" ] || [ "$1" = "push" ]
+	[ "$1" = "edit" ] || 
+	[ "$1" = "" ] || 
+	[ "$1" = "push" ] || 
+	[ "$1" = "add" ]
 	PUSH=$?
 
 	cd /etc/nixos
@@ -94,6 +98,10 @@ pkgs.writeShellScriptBin "nixos-edit" ''
 	if [ "$1" = "edit" ] || [ "$1" = "" ] || [ "$1" = "test" ] ; then
 		sudo hx .
 	fi
+	if [ "$1" = "add" ] ; then
+		sed -i -E "s/#marker.pkgs.end#/$2\n    #marker.pkgs.end#" home.nix
+		git diff
+	fi
 	if [ $PUSH = 0 ] ; then
 		git add .
 		EDITOR=hx git commit -a || exit