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From: Simon Tournier <zimon.toutoune@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>, 65720@debbugs.gnu.org
Subject: bug#65720: Guile-Git-managed checkouts grow way too much
Date: Tue, 19 Sep 2023 09:19:44 +0200	[thread overview]
Message-ID: <86wmwmlje7.fsf@gmail.com> (raw)
In-Reply-To: <87jzsnf6tr.fsf@gnu.org>

Hi Ludo.

On Tue, 19 Sep 2023 at 00:35, Ludovic Courtès <ludo@gnu.org> wrote:

> --8<---------------cut here---------------start------------->8---
> scheme@(guile-user)> ,use(git)
> scheme@(guile-user)> ,t (clone "https://git.savannah.gnu.org/git/guix.git" "/tmp/guix")
> $5 = #<git-repository 91a7b0>
> ;; 600.534529s real time, 435.260926s run time.  0.000000s spent in GC.
> scheme@(guile-user)> ,t (clone "https://git.savannah.gnu.org/git/guix.git" "/tmp/guix-after-removing-nix-branch")
> $6 = #<git-repository 4465a50>
> ;; 420.321511s real time, 398.772963s run time.  0.000000s spent in GC.
> --8<---------------cut here---------------end--------------->8---

[...]

> --8<---------------cut here---------------start------------->8---
> $ du -hs /tmp/guix/.git
> 373M	/tmp/guix/.git
> $ du -hs /tmp/guix-after-removing-nix-branch/.git
> 362M	/tmp/guix-after-removing-nix-branch/.git
> --8<---------------cut here---------------end--------------->8---

Just to also point [1] that using shallow clone and restrict to the
oldest reachable commit by the time-machine, it saves 25% of bits to
download, and similarly on disk.

--8<---------------cut here---------------start------------->8---
scheme@(guix-user)> ,t (clone "https://git.savannah.gnu.org/git/guix.git" "/tmp/guix-guile")
$1 = #<git-repository df3710>
;; 383.186818s real time, 278.060733s run time.  0.000000s spent in GC.

$ time git clone https://git.savannah.gnu.org/git/guix.git guix-full
Receiving objects: 100% (693699/693699), 342.14 MiB | 2.87 MiB/s, done.
real    2m40,830s
user    3m4,683s
sys     0m8,189s

$ time git clone --shallow-since=2019-04-30 https://git.savannah.gnu.org/git/guix.git guix-oldest
Receiving objects: 100% (428646/428646), 259.41 MiB | 3.87 MiB/s, done.
real    1m45,604s
user    2m32,370s
sys     0m5,916s

$ du -sh guix-*/.git
362M    guix-full/.git
362M    guix-guile/.git
272M    guix-oldest/.git
--8<---------------cut here---------------end--------------->8---

Cheers,
simon


1: Re: hard dependency on Git? (was bug#65866: [PATCH 0/8] Add built-in builder for Git checkouts)
Simon Tournier <zimon.toutoune@gmail.com>
Mon, 11 Sep 2023 19:52:34 +0200
id:871qf4ha1p.fsf@gmail.com
https://lists.gnu.org/archive/html/guix-devel/2023-09
https://yhetil.org/guix/871qf4ha1p.fsf@gmail.com





  reply	other threads:[~2023-09-19  8:10 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-03 20:44 bug#65720: Guile-Git-managed checkouts grow way too much Ludovic Courtès
2023-09-04 21:47 ` Ludovic Courtès
2023-09-05  8:18   ` Josselin Poiret via Bug reports for GNU Guix
2023-09-05 14:18     ` Ludovic Courtès
2023-09-06  8:04       ` Josselin Poiret via Bug reports for GNU Guix
2023-09-08 17:08         ` Ludovic Courtès
2023-09-11  7:00           ` Csepp
2023-09-11  8:42           ` bug#65720: Digression about Git implementations (was Re: bug#65720: Guile-Git-managed checkouts grow way too much) Simon Tournier
2023-09-11 14:42           ` bug#65720: Guile-Git-managed checkouts grow way too much wolf
2023-09-13 18:10             ` Ludovic Courtès
2023-09-13 22:36               ` Simon Tournier
2023-09-07  0:41       ` Simon Tournier
2023-09-08 17:09         ` Ludovic Courtès
2023-09-09 10:31           ` Simon Tournier
2023-09-11  7:06             ` Csepp
2023-09-11 14:37       ` Ludovic Courtès
2023-10-20 16:15         ` bug#65720: [PATCH] git: Shell out to ‘git gc’ when necessary Ludovic Courtès
2023-10-23 10:08           ` Simon Tournier
2023-10-23 22:27             ` Tobias Geerinckx-Rice via Bug reports for GNU Guix
2023-10-23 23:28               ` bug#65720: Guile-Git-managed checkouts grow way too much Simon Tournier
2023-10-30 12:02           ` bug#65720: [bug#66650] [PATCH] git: Shell out to ‘git gc’ when necessary Christopher Baines
2023-11-14  9:19             ` Ludovic Courtès
2023-11-14  9:32               ` Simon Tournier
     [not found]                 ` <87h6ll28yh.fsf@gnu.org>
     [not found]                   ` <CAJ3okZ2-W_Me-Gao44+LeKGCm7dhb8VkLfC2doL4NE9VO88HYg@mail.gmail.com>
2023-11-22 11:17                     ` bug#65720: [bug#66650] " Ludovic Courtès
2023-11-22 11:57                       ` bug#65720: Guile-Git-managed checkouts grow way too much Simon Tournier
2023-09-05  8:22   ` Jelle Licht
2023-09-05 14:20     ` Ludovic Courtès
2023-09-05 18:59   ` Simon Tournier
2023-09-05 14:11 ` Ludovic Courtès
2023-09-18 22:35 ` Ludovic Courtès
2023-09-19  7:19   ` Simon Tournier [this message]
2023-11-23 11:35 ` Ludovic Courtès

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