The new error message should clarify what we expect from user to do.
Also, git v2.42.0 introduced new advice on merge failure, which breaks
existing regex match. Instead, use search.
R=aravindvasudev@google.com
Fixed: 1475622
Change-Id: Ib4e60947aaa7994715cfae3260dd27f85f2380b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/4823716
Auto-Submit: Josip Sokcevic <sokcevic@chromium.org>
Commit-Queue: Aravind Vasudevan <aravindvasudev@google.com>
Reviewed-by: Aravind Vasudevan <aravindvasudev@google.com>
