[Nix-dev] Re: fetch<dvcs> - optimization via local mirroring.

[Michael Raskin]

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On 08/20/2010 03:23 AM, Yury G. Kudryashov wrote:
>> Hello.
>> With fetchgit we sometimes have a problem of having to pull entire
>> history over and over again. For fetchmtn I implemented possibility to
>> specify local database and fetch needed revisions to it first (and only
>> then to check out from it).
>> I used the Monotone convention of giving branches unique names - using
>> the reversed domain name prefixes, popularized by Java.
>> Obviously with some encoding of source URLs into branch names that
>> should be possible for some other fetchers in Nixpkgs as well. Is there
>> anybody knowing those VCSes enough to do that and willing to do that?
> I can try for fetchgit.

Thanks

> How do you deal with chroot builds? Require adding "global DB dir" to build-
> chroot-dirs?

Why build a fix-output derivation in chroot?

> BTW, current nix-prefetch-git is MUCH more clever than fetchgit. As a 
> result, they produce different results ;).

I'd call that a bug..
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