Re: [PATCH] git gc --auto: defer on battery

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Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes:

> On Mon, 31 Mar 2008, Bj?rn Steinbrink wrote:
>> 
>> The /proc stuff is already deprecated IIRC, the new file to check on
>> Linux is /sys/class/power_supply/AC/online.
>
> I would *seriously* suggest making this soem kind of generic callback and 
> not Linux-specific. 
>
> How about making it more akin to a pre-auto-gc "hook" - run a script 
> instead of hardcoding something like this!

That would be a sensible approach.

We also would need to make sure that Porcelain that call "gc --auto" does
not have an assumption that auto is ultra-cheap, however, as we are
talking about potentially two fork-exec in the usual "noop" case with such
a change, but we need to do that regardless.

 * git-svn has "every 1000 commits and one at the end" which should be
   Ok.

 * git-cvsimport does "repack -a -d" every 1k commits and once more at the
   end if there are many remaining loose objects.

 * "git-rebase -i" does one at the end, which should be Ok.

 * "git commit" used to have one at the end in the scripted version, but
   seems to have lost it in C rewrite.

So I think we are Ok with an additional hook.

By the way, Linus, is your MUA UTF-8 challenged?  I see Björn's name on
the To: header mangled.


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