init: reject unknown args

If you pass args to `repo init` when first creating a checkout, the
repo launcher throws an error.  But the init subcommand that runs in
an existing checkout silently ignores them.  Throw a proper error.

Change-Id: I433bfcc73902d25f6b6a2974e77f6a977a75ed16
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/279696
Reviewed-by: Jonathan Nieder <jrn@google.com>
Tested-by: Mike Frysinger <vapier@google.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/subcmds/init.py b/subcmds/init.py
index eb82e2e4..41578076 100644
--- a/subcmds/init.py
+++ b/subcmds/init.py
@@ -488,6 +488,9 @@ to update the working directory files.
     if opt.archive and opt.mirror:
       self.OptionParser.error('--mirror and --archive cannot be used together.')
 
+    if args:
+      self.OptionParser.error('init takes no arguments')
+
   def Execute(self, opt, args):
     git_require(MIN_GIT_VERSION_HARD, fail=True)
     if not git_require(MIN_GIT_VERSION_SOFT):