Add token and git credentials to login cli command (#1372)

* Add token and git credentials to login cli command

* Apply suggestions from code review

---------

Co-authored-by: Lucain <lucainp@gmail.com>

src/huggingface_hub/commands/user.py

@@ -44,6 +44,16 @@ class UserCommands(BaseHuggingfaceCLICommand):
     @staticmethod
     def register_subcommand(parser: _SubParsersAction):
         login_parser = parser.add_parser("login", help="Log in using a token from huggingface.co/settings/tokens")
+        login_parser.add_argument(
+            "--token",
+            type=str,
+            help="Token generated from https://huggingface.co/settings/tokens",
+        )
+        login_parser.add_argument(
+            "--add-to-git-credential",
+            action="store_true",
+            help="Optional: Save token to git credential helper.",
+        )
         login_parser.set_defaults(func=lambda args: LoginCommand(args))
         whoami_parser = parser.add_parser("whoami", help="Find out which huggingface.co account you are logged in as.")
         whoami_parser.set_defaults(func=lambda args: WhoamiCommand(args))
@@ -91,7 +101,7 @@ def __init__(self, args):
 
 class LoginCommand(BaseUserCommand):
     def run(self):
-        login()
+        login(token=self.args.token, add_to_git_credential=self.args.add_to_git_credential)
 
 
 class LogoutCommand(BaseUserCommand):