On 19 Aug 2012, at 19:38, Junio C Hamano wrote:

> Alexey Muranov <alexey.mura...@gmail.com> writes:
>> 2. I think that allowing both "next" and "next/foo" complicates
>> the mapping from branch names to file paths, and it does not seem
>> necessary if dead reflogs are moved away to "graveyard" anyway.
> It is unclear why the first two lines above leads to the conclusion
> "it does not seem necessary" (but honestly, I do not particularly
> care).

I thought that the first reason that allowing "next" and "next/foo" seemed 
necessary was avoiding conflicts with dead reflogs or between dead reflogs.  If 
dead reflog for "next/foo" is moved away, it will not conflict with a new one 
for "next".  There remains a problem with a conflict between dead "next/foo" 
and dead "next".  This can be solved as Jeff suggested by adding special 
"escape" symbols, or as i suggested below, by keeping reflogs deleted on 
different occasions in different "timestamp" directories.

>> 3. There remains the question what to do with dead reflogs for
>> different branches having the same name.  Maybe, keep the death
>> date and time under the graveyard directory and not allow the user
>> to delete 2 times in less than 1 second?
>> /logs/graveyard/yyyy-mm-dd-hhmmss/refs/heads/next/foo
> How would that help us in what way?
> When I ask "git log -g next/foo" for the "next/foo" branch that
> currently exists, I want to see the update history of its tip since
> I created it for the last time, and then an entry that says I
> created it at such and such time.  If I used to have the branch
> before but deleted, then the output should be followed by another
> entry that says I deleted it at such and such time, followed by the
> history of the tip updates.

I only suggested how to resolve conflicts between dead reflogs in graveyard if 
"next" and "next/foo" cannot coexist.
For example, if first "next/foo" was created and deleted, and then "next" was 
created and deleted.  It also seems nice to me to have dead reflogs for 
different identically named branches (created and deleted independently) in 
separate files.

It is possible to collect the information for "git log -g next/foo" by looking 
through all "timestamp" subdirectories in graveyard.

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