D7633: clone: extract helper for checking mutually exclusive args

[martinvonz (Martin von Zweigbergk)]

martinvonz added inline comments.

INLINE COMMENTS

> dlax wrote in cmdutil.py:263
> The function name is a bit misleading; it looks like it would check that an option wasn't specified multiple times. Perhaps `check_exclusive_arguments`?

I don't think I'd be able to guess what a function by that name did either.  `check_at_most_one_argument` seems clearer, but maybe too long. I'll wait a bit for other ideas before I change anything.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D7633/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D7633

To: martinvonz, #hg-reviewers
Cc: dlax, mercurial-devel