cmdutil: change check_incompatible_arguments() *arg to single iterable
This makes it clearer on the call-sites that the first argument is
special. Thanks to Yuya for the suggestion.
Differential Revision: https://phab.mercurial-scm.org/D8018
== New Features ==
== New Experimental Features ==
== Bug Fixes ==
== Backwards Compatibility Changes ==
== Internal API Changes ==
* The deprecated `ui.progress()` has now been deleted. Please use
`ui.makeprogress()` instead.
* `hg.merge()` has lost its `abort` argument. Please call
`hg.abortmerge()` directly instead.
* The `*others` argument of `cmdutil.check_incompatible_arguments()`
changed from being varargs argument to being a single collection.