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From: Simon Tournier <zimon.toutoune@gmail.com>
To: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Cc: "Josselin Poiret" <dev@jpoiret.xyz>,
	"Mathieu Othacehe" <othacehe@gnu.org>,
	"Ludovic Courtès" <ludo@gnu.org>,
	"Tobias Geerinckx-Rice" <me@tobias.gr>,
	"Ricardo Wurmus" <rekado@elephly.net>,
	65866@debbugs.gnu.org, "Christopher Baines" <guix@cbaines.net>
Subject: [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts
Date: Wed, 20 Sep 2023 18:40:41 +0200	[thread overview]
Message-ID: <CAJ3okZ3aJTbBZTB9_qYjBwSjDLcwo7=-z9VuMKtNJnkB00ERgg@mail.gmail.com> (raw)
In-Reply-To: <87fs386da4.fsf_-_@gmail.com>

Hi Maxim,

On Wed, 20 Sept 2023 at 18:05, Maxim Cournoyer
<maxim.cournoyer@gmail.com> wrote:

> > +           (parameterize ((%verify-swh-certificate? #f))
> > +             (format (current-error-port)
> > +                     "Trying to download from Software Heritage...~%")
> > +
> > +             (swh-download url commit directory)
> > +             (when (file-exists?
> > +                    (string-append directory "/.gitattributes"))
> > +               ;; Perform CR/LF conversion and other changes
> > +               ;; specificied by '.gitattributes'.
> > +               (invoke git-command "-C" directory "init")
> > +               (invoke git-command "-C" directory "config" "--local"
> > +                       "user.email" "you@example.org")
> > +               (invoke git-command "-C" directory "config" "--local"
> > +                       "user.name" "Your Name")
> > +               (invoke git-command "-C" directory "add" ".")
> > +               (invoke git-command "-C" directory "commit" "-am" "init")
> > +               (invoke git-command "-C" directory "read-tree" "--empty")
> > +               (invoke git-command "-C" directory "reset" "--hard")
> > +               (delete-file-recursively
> > +                (string-append directory "/.git")))))))
>
> I'm not familiar with this code, but was wondering why we need to do
> this post processing and handle .gitattributes.  I never care about this
> on my GNU/Linux machine when using 'git clone'.  Perhaps 'git fetch' is
> used directly, which is why?
>
> Time passes...  Ah!  I misread -- that's peculiar to Software Heritage.

We need to post-process .gitattributes because it depends on how the
remote host serves the files.  And yeah it mainly comes from SWH. :-)
They store the files with an uniform normalization and so without
applying .gitattributes, we do not necessary get the correct checksum.

To my knowledge, we cannot do better than these sequential Git commands.

Cheers,
simon




  reply	other threads:[~2023-09-20 16:42 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-11 14:23 [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Ludovic Courtès
2023-09-11 14:25 ` [bug#65866] [PATCH 1/8] git-download: Move fallback code to (guix build git) Ludovic Courtès
2023-09-20 16:05   ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Maxim Cournoyer
2023-09-20 16:40     ` Simon Tournier [this message]
2023-09-22 21:53     ` Ludovic Courtès
2023-09-11 14:25 ` [bug#65866] [PATCH 2/8] git-download: Honor the ‘GUIX_DOWNLOAD_FALLBACK_TEST’ environment variable Ludovic Courtès
2023-09-20 16:07   ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Maxim Cournoyer
2023-09-11 14:25 ` [bug#65866] [PATCH 3/8] perform-download: Remove unused one-argument clause Ludovic Courtès
2023-09-20 16:09   ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Maxim Cournoyer
2023-09-11 14:25 ` [bug#65866] [PATCH 4/8] daemon: Add “git-download” built-in builder Ludovic Courtès
2023-09-20 17:32   ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Maxim Cournoyer
2023-09-21  7:42     ` Ludovic Courtès
2023-09-22 22:27       ` [bug#65866] [PATCH v2 " Ludovic Courtès
2023-09-22 22:27         ` [bug#65866] [PATCH v2 1/8] git-download: Move fallback code to (guix build git) Ludovic Courtès
2023-09-25  8:15           ` Simon Tournier
2023-09-25  9:24             ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Ludovic Courtès
2023-09-25 12:13               ` Simon Tournier
2023-09-22 22:27         ` [bug#65866] [PATCH v2 2/8] git-download: Honor the ‘GUIX_DOWNLOAD_FALLBACK_TEST’ environment variable Ludovic Courtès
2023-09-22 22:27         ` [bug#65866] [PATCH v2 3/8] perform-download: Remove unused one-argument clause Ludovic Courtès
2023-09-22 22:28         ` [bug#65866] [PATCH v2 4/8] daemon: Add “git-download” built-in builder Ludovic Courtès
2023-09-22 22:28         ` [bug#65866] [PATCH v2 5/8] build: Add dependency on Git Ludovic Courtès
2023-09-25 13:59           ` Simon Tournier
2023-09-26 14:05             ` [bug#65866] Bootstrapping without the daemon and all that Ludovic Courtès
2023-09-26 17:04               ` Simon Tournier
2023-10-12 10:54                 ` Ludovic Courtès
2023-10-16  8:46                   ` Simon Tournier
2023-09-22 22:28         ` [bug#65866] [PATCH v2 6/8] perform-download: Use the ‘git’ command captured at configure time Ludovic Courtès
2023-09-22 22:28         ` [bug#65866] [PATCH v2 7/8] git-download: Use “builtin:git-download” when available Ludovic Courtès
2023-09-25  8:33           ` Simon Tournier
2023-09-25  9:23             ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Ludovic Courtès
2023-09-25 12:37               ` Simon Tournier
2023-09-25 12:48               ` Simon Tournier
2023-09-25 15:49                 ` Maxim Cournoyer
2023-09-26 15:44                 ` bug#65866: " Ludovic Courtès
2023-09-26 17:13                   ` [bug#65866] " Simon Tournier
2023-10-01 15:02                     ` Ludovic Courtès
2023-10-16  9:11                       ` [bug#65866] Toward RFC? (was Re: [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts) Simon Tournier
2023-10-30 15:12                         ` Ludovic Courtès
2023-09-22 22:28         ` [bug#65866] [PATCH v2 8/8] tests: Assume ‘git’ is always available Ludovic Courtès
2023-09-11 14:25 ` [bug#65866] [PATCH 5/8] build: Add dependency on Git Ludovic Courtès
2023-09-20 17:57   ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Maxim Cournoyer
2023-09-22 22:00     ` Ludovic Courtès
2023-09-25 15:59       ` Maxim Cournoyer
2023-09-11 14:25 ` [bug#65866] [PATCH 6/8] perform-git-download: Use the ‘git’ command captured at configure time Ludovic Courtès
2023-09-20 17:34   ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Maxim Cournoyer
2023-09-11 14:25 ` [bug#65866] [PATCH 7/8] git-download: Use “builtin:git-download” when available Ludovic Courtès
2023-09-20 17:50   ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Maxim Cournoyer
2023-09-22 21:58     ` Ludovic Courtès
2023-09-25 15:56       ` Maxim Cournoyer
2023-09-11 14:25 ` [bug#65866] [PATCH 8/8] tests: Assume ‘git’ is always available Ludovic Courtès
2023-09-20 17:59   ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Maxim Cournoyer
     [not found] <877ctljs0m.fsf@inria.fr>
     [not found] ` <87pm2osrot.fsf@gnu.org>
2023-09-11 15:16   ` [bug#65866] bug#63331: Guile-GnuTLS/Git circular dependency and built-in git checkouts Vivien Kraus via Guix-patches via
2023-09-11 20:57     ` [bug#65866] [PATCH 0/8] Add built-in builder for Git checkouts Ludovic Courtès

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