From: Jonathan Nieder <jrnieder@gmail.com>
To: Stefan Beller <sbeller@google.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH] submodule: use cheaper check for submodule pushes
Date: Wed, 12 Jul 2017 17:01:17 -0700 [thread overview]
Message-ID: <20170713000117.GJ93855@aiede.mtv.corp.google.com> (raw)
In-Reply-To: <20170712234504.15811-1-sbeller@google.com>
Hi,
Stefan Beller wrote:
> In the function push_submodule[1] we use add_submodule_odb[2] to determine
> if a submodule has been populated. However the function does not work with
> the submodules objects that are added, instead a new child process is used
> to perform the actual push in the submodule.
>
> Use is_submodule_populated[3] that is cheaper to guard from unpopulated
> submodules.
>
> [1] 'push_submodule' was added in eb21c732d6 (push: teach
> --recurse-submodules the on-demand option, 2012-03-29)
> [2] 'add_submodule_odb' was introduced in 752c0c2492 (Add the
> --submodule option to the diff option family, 2009-10-19)
> [3] 'is_submodule_populated' was added in 5688c28d81 (submodules:
> add helper to determine if a submodule is populated, 2016-12-16)
These footnotes don't answer the question that I really have: why did
this use add_submodule_odb in the first place?
E.g. did the ref iteration code require access to the object store
previously and stop requiring it later?
> Signed-off-by: Stefan Beller <sbeller@google.com>
> ---
> submodule.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/submodule.c b/submodule.c
> index da2b484879..55afad3e8c 100644
> --- a/submodule.c
> +++ b/submodule.c
> @@ -976,7 +976,9 @@ static int push_submodule(const char *path,
> const struct string_list *push_options,
> int dry_run)
> {
> - if (add_submodule_odb(path))
> + int code;
> +
> + if (!is_submodule_populated_gently(path, &code))
Should this examine the code to distinguish between hard errors
(e.g. "Error reading .git") and a missing repository?
Thanks,
Jonathan
next prev parent reply other threads:[~2017-07-13 0:01 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-12 23:45 [PATCH] submodule: use cheaper check for submodule pushes Stefan Beller
2017-07-13 0:01 ` Jonathan Nieder [this message]
2017-07-13 0:09 ` Stefan Beller
2017-07-13 0:53 ` Junio C Hamano
2017-07-13 5:14 ` Stefan Beller
2017-07-13 18:37 ` Junio C Hamano
2017-07-13 19:39 ` Stefan Beller
2017-07-13 20:48 ` Jonathan Nieder
2017-07-13 20:54 ` Stefan Beller
2017-08-15 22:43 ` [PATCH] push: do not add submodule odb as an alternate when recursing on demand Stefan Beller
2017-08-15 23:10 ` Jonathan Nieder
2017-08-15 23:14 ` Jonathan Nieder
2017-08-15 23:27 ` Stefan Beller
2017-08-15 23:23 ` Junio C Hamano
2017-08-15 23:31 ` Stefan Beller
2017-08-16 0:11 ` Junio C Hamano
2017-08-16 1:05 ` Stefan Beller
2017-08-16 2:08 ` Jonathan Nieder
2017-08-16 5:52 ` Stefan Beller
2017-08-16 16:35 ` Heiko Voigt
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