Create commit

ugit/cli.py

@@ -36,6 +36,10 @@ def parse_args():
     read_tree_parser.set_defaults(func=read_tree)
     read_tree_parser.add_argument("tree")
 
+    commit_parser = commands.add_parser("commit")
+    commit_parser.set_defaults(func=commit)
+    commit_parser.add_argument("-m", "--message", required=True)
+
     return parser.parse_args()
 
 
@@ -60,3 +64,7 @@ def write_tree(args):
 
 def read_tree(args):
     base.read_tree(args.tree)
+
+
+def commit(args):
+    print(base.commit(args.message))