[PATCH 1/4] nmbug: Add a git_with_status helper function

[David Bremner]

"W. Trevor King" <wking at tremily.us> writes:

> Sometimes we want to catch Git errors and handle them, instead of
> dying with an error message.  This lower-level version of git() allows
> us to get the error status when we want it.

pushed this one patch.

d