Re: [PATCH v2 00/18] Add `branch-diff`, a `tbdiff` lookalike

>> 2) Your completion commands for branch-diff will only complete one
>> revision range, not two.  e.g.
>>     git branch-diff origin/master..my-topic@{2} origin/master..my-top<tab>
>> won't complete "my-topic" as I'd expect.
>
> It does complete two revision ranges, but if you want to look at
> reflogs, then you must escape the opening curly brace.  I'm not sure
> why, but apparently after the unescaped '{' Bash thinks that it's a
> new command, and doesn't even call our completion functions anymore.
> It's not specific to the completion of 'branch-diff', or even to our
> completion script.  I don't think we can do anything about it.