Repository Reorganization Question

[Johan Tibell]

Lets not lose our history or make it annoying to access. Disk is cheap.


On Thu, Dec 5, 2013 at 2:32 PM, Herbert Valerio Riedel <hvr at gnu.org> wrote:

> Hello Joachim,
>
> On 2013-12-05 at 12:56:55 +0100, Joachim Breitner wrote:
> > Am Donnerstag, den 05.12.2013, 12:15 +0100 schrieb Herbert Valerio
> > Riedel:
> >> PS: I didn't merge in testsuite's Git history as that would bloat
> >>     ghc.git quite a bit;
> >
> > would that really be a problem? How different are the numbers?
>
> Here's a rough estimate:
>
> testsuite.git current single packfile:
>
>  1.8M Dec  5 14:18
> .git/objects/pack/pack-5d85ce17a3003e44e0e36d757564ce7df09275d4.idx
>   27M Dec  5 14:18
> .git/objects/pack/pack-5d85ce17a3003e44e0e36d757564ce7df09275d4.pack
>
> whereas, when I create a new git repo containing only the HEAD commit
> from testsuite.git, the resulting single packfile:
>
>  204K Dec  5 14:19
> .git/objects/pack/pack-27355d714321978fd34c21ce341a7b55f416719a.idx
>  2.5M Dec  5 14:19
> .git/objects/pack/pack-27355d714321978fd34c21ce341a7b55f416719a.pack
>
> this seemed to be a significant increase to me;
>
> > I’m a fan of keeping history readily available, so unless it really
> > hurts I suggest to do a proper merge.
>
> btw, it'd be easy to provide a simple script which would re-attach the
> testsuite history (and any other repositories with truncated history)
>
> but there's another subtle issue; there's multiple ways to merge in the
> old testsuite repo, one is without any path-translation, as accomplished
> by the grafting example I gave; the other is to first rewrite the
> 'testsuite.git' to have its root-folder being located in a 'testsuite/'
> folder, so that Git doesn't have to follow renames and thus maybe also
> simplify navigating/querying the Git history.
>
> Cheers,
>   hvr
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