Gentoo Archives: gentoo-dev

From: Dennis Schridde <devurandom@×××.net>
To: gentoo-dev@l.g.o
Cc: Gerion Entrup <gerion.entrup@×××××.de>
Subject: Re: [gentoo-dev] [RFC] multiversion ebuilds
Date: Sat, 12 May 2018 15:23:26
Message-Id: 3161610.Lf3jGJQ6dy@monk
In Reply to: Re: [gentoo-dev] [RFC] multiversion ebuilds by Gerion Entrup
1 On Saturday, 12 May 2018 16:36:13 CEST Gerion Entrup wrote:
2 > Am Samstag, 12. Mai 2018, 16:21:26 CEST schrieb Ulrich Mueller:
3 > > >>>>> On Sat, 12 May 2018, Gerion Entrup wrote:
4 > > > - The size of the tree reduces.
5 > >
6 > > I very much doubt that (or at least it remains to be proven).
7 > >
8 > > Currently, when an ebuild is copied for a version bump, it will reuse
9 > > the same blob in the Git repository. With the scheme above, you would
10 > > have to modify the ebuild, which would add a new blob for every
11 > > version bump.
12 >
13 > You are right, I've not thought about that. However, this is only true for
14 > the repository not for the rsync copy most(?) users have and not for a
15 > checkout.
16
17 As I understand it, rsync will indeed re-use blocks from existing files on the
18 receiver [1], and hence copy files with the same content only once.
19
20 --Dennis
21
22 [1]: http://www.anchor.com.au/blog/2013/08/out-tridging-tridge/

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