From: Junio C Hamano <gitster@pobox.com>
To: Alyssa Ross <hi@alyssa.is>
Cc: git@vger.kernel.org
Subject: Re: [PATCH] doc: explain why file: URLs and bundles don't mix
Date: Mon, 13 May 2019 17:05:14 +0900 [thread overview]
Message-ID: <xmqqv9yebwzp.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20190513002355.25031-1-hi@alyssa.is> (Alyssa Ross's message of "Mon, 13 May 2019 00:23:55 +0000")
Alyssa Ross <hi@alyssa.is> writes:
> Signed-off-by: Alyssa Ross <hi@alyssa.is>
> ---
> Documentation/urls.txt | 20 +++++++++++++++-----
> 1 file changed, 15 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/urls.txt b/Documentation/urls.txt
> index b05da95788..c83d9f859e 100644
> --- a/Documentation/urls.txt
> +++ b/Documentation/urls.txt
> @@ -43,14 +43,24 @@ syntaxes may be used:
> - \file:///path/to/repo.git/
>
> ifndef::git-clone[]
> -These two syntaxes are mostly equivalent, except when cloning, when
> -the former implies --local option. See linkgit:git-clone[1] for
> -details.
> +These two syntaxes are mostly equivalent, with some exceptions:
> +
> +- When cloning, the former implies --local option. See
> + linkgit:git-clone[1] for details.
> +
> +- The latter is implemented using linkgit:git-upload-pack[1], which
> + expects its repository to be a directory, and therefore does not
> + work for bundles (see linkgit:git-bundle[1]).
Hmm, I do not think this is quite true.
If "git clone /path/to/repo.bndl" implied --local, we would end up
trying to hardlink into /path/to/repo.bndl/objects and would fail.
I think what is closer to the reaility is that we check if the
source is a bundle when the local filesystem path is used and try to
clone from the bundle, before using the local filesystem path as a
directory we can "clone --local" from. On the other hand, when the
<scheme>://<path> syntax is used, we do not even bother seeing if
the named resource is a bundle, or if --local optimization is
possible (because we do not bother seeing if the named resource is a
local filesystem entity, either).
A possibly interesting tangent to think about is what would happen
if we slightly tweak the above design. What it would require for
the code to take "git clone https://site/repo.bndl", realize that
the named resource is a bundle file, curl/wget it and clone from
that downloaded bundle? And if it is feasible to implement, would
it even be a good idea to begin with? I do not have a ready answer
to either of these questions myself.
next prev parent reply other threads:[~2019-05-13 8:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-13 0:23 [PATCH] doc: explain why file: URLs and bundles don't mix Alyssa Ross
2019-05-13 8:05 ` Junio C Hamano [this message]
2019-05-13 16:54 ` Alyssa Ross
2019-05-14 9:30 ` Jeff King
2019-05-14 9:29 ` Jeff King
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