Re: [PATCH] branch: return error when --list finds no matches

"Josh Hunt via GitGitGadget" [off-list ref] writes:

From: Josh Hunt <redacted>

Currently git branch --list foo always returns an exit status of 0 even
when the branch being searched for does not exist. Now an error is printed
and returns a non-zero exit status.

Explaining what happens in the current code upfront is a good thing
and is in line with the convention used in our project, which is
good.  But drop "currently" from there.

Strictly speaking, it is not "always".  In a corrupt repository, it
is likely to show a proper error message and die.

Also explaining what you want to happen before the end of the log
message is good.

But the proposed log message lacks why it is a good idea to make
such a change, which is the most important part.

If you ask me, I would say that the command was asked to show any
branches, if exist, that match the given pattern, and did what it
was asked to do without encountering any error---it just happened to
have seen 0 branch that matched.  So I think returning non-zero
status would be a bug.

Thanks.