Re: Branch Name Case Sensitivity

[Lee Hopkins <leerhop@gmail.com>]

> Perhaps git-{branch,tag}.txt and possibly gitrepository-layout.txt
> in Documentation/ may need a new "*Note*" section to warn against
> this.

A little more documentation never hurt anyone :).

> Or we can possibly trigger this function at the the of
> "checkout -b" or "fetch" commands ?
> Only when core.ignorecase == true ?

This would essentially make git always use packed-refs when
core.ignorecase == true, correct? Are there any downsides to always
using packed-refs?

Thanks,
-Lee

On Thu, Feb 27, 2014 at 3:32 PM, Torsten Bögershausen <tboegi@web.de> wrote:
> On 2014-02-27 20.50, Junio C Hamano wrote:
>> Lee Hopkins <leerhop@gmail.com> writes:
>>
>>> Last week I ran across a potential bug with branch names on case
>>> insensitive file systems, the complete scenario can be found here:
>>>
>>> https://groups.google.com/forum/#!topic/msysgit/ugKL-sVMiqI
>>>
>>> The tldr is because refs are stored as plain text files except when
>>> packed into packed-refs, Git occasionally cannot tell the difference
>>> between branches whose names only differ in case, and this could
>>> potentially lead to the loss of history.
>>>
>>> It sounds like this is a known issue, and after some more digging I
>>> did find some older threads related to this topic, but nothing recent.
>>
>> Yes, it is not limited to branch names but also applies to tags and
>> filenames in your working tree.
>>
>> Perhaps git-{branch,tag}.txt and possibly gitrepository-layout.txt
>> in Documentation/ may need a new "*Note*" section to warn against
>> this.
>>
>> Thanks.
> There is a possible workaround:
> git pack-refs --all --prune
>
> If this can be triggered by a hook, I don't know (I never used a hook)
>
> It uses the C-function pack_refs(flags) in builtin/pack-refs.c
> Or we can possibly trigger this function at the the of
> "checkout -b" or "fetch" commands ?
> Only when core.ignorecase == true ?
>
>
>
>
>
>
>