add long & short options to src

src

@@ -11,10 +11,10 @@ manages source directories
 Usage: src [COMMAND]
 
 Commands:
-	up		Update source directory
-	ls		List managed directories
-	add		Add a source
-	rm		Remove a source directory
+	u, update	Update source directory
+	ls, list	List managed directories
+	a, add		Add a source
+	rm, remove	Remove a source directory
 
 Flags:
 	--help, -h	Displays this help
@@ -151,17 +151,17 @@ list_all() {
 }
 
 case "$1" in
-	"up")
+	"u"|"update")
 		update_all
 		;;
-	"add")
+	"a"|"add")
 		add_item "$2" "$3" "$4"
 		update_item "$2" "$3" "$4"
 		;;
-	"rm")
+	"rm"|"remove")
 		rm_item "$2"
 		;;
-	"ls")
+	"ls"|"list")
 		list_all
 		;;
 	"--help"|"-h")