From: Brandon Williams <bmwill@google.com>
To: Jacob Keller <jacob.keller@gmail.com>
Cc: Stefan Beller <sbeller@google.com>, Jeff King <peff@peff.net>,
Junio C Hamano <gitster@pobox.com>,
"git@vger.kernel.org" <git@vger.kernel.org>,
Jonathan Tan <jonathantanmy@google.com>
Subject: Re: [PATCH v6 1/6] submodules: add helper functions to determine presence of submodules
Date: Fri, 2 Dec 2016 13:46:03 -0800 [thread overview]
Message-ID: <20161202214603.GD117792@google.com> (raw)
In-Reply-To: <CA+P7+xpJ1=TiWq60wO4ftA-Y6SHAkdbLk=srbTQQsB=D1ZGkrw@mail.gmail.com>
On 12/02, Jacob Keller wrote:
> On Fri, Dec 2, 2016 at 11:28 AM, Stefan Beller <sbeller@google.com> wrote:
> > On Fri, Dec 2, 2016 at 11:20 AM, Jacob Keller <jacob.keller@gmail.com> wrote:
> >>>
> >>> So is there a reason why the library function realpath() can't be used?
> >>> From a cursory look at its man page it seems to do the symlink
> >>> resolution.
> >>>
> >>> --
> >>> Brandon Williams
> >>
> >> I believe it uses the same method and thus wouldn't actually resolve
> >> the issue. But I'm not really 100% sure on this.
> >>
> >> Thanks,
> >> Jake
> >
> > I just reviewed 2 libc implementations (glibc and an Android libc) and
> > both of them
> > do not use chdir internally, but use readlink and compose the path 'manually'
> > c.f. http://osxr.org:8080/glibc/source/stdlib/canonicalize.c?v=glibc-2.13
>
> Interesting. Would this be portable to Windows, though?
Perhaps. It looks like the only crazy thing it does is use readlink,
which our real_path function is already doing. I don't think we could
drop in their implementation though since there are other things that it
does that aren't portable to windows (like determining if a path is
absolute or not). Rather their implementation gives me some hope that
it is possible to resolve the real path without using chdir.
--
Brandon Williams
next prev parent reply other threads:[~2016-12-02 21:46 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-27 22:38 [RFC PATCH 0/5] recursively grep across submodules Brandon Williams
2016-10-27 22:38 ` [PATCH 1/5] submodules: add helper functions to determine presence of submodules Brandon Williams
2016-10-27 22:38 ` [PATCH 2/5] submodules: load gitmodules file from commit sha1 Brandon Williams
2016-10-27 22:38 ` [PATCH 3/5] grep: add submodules as a grep source type Brandon Williams
2016-10-27 22:38 ` [PATCH 4/5] grep: optionally recurse into submodules Brandon Williams
2016-11-05 5:09 ` Jonathan Tan
2016-10-27 22:38 ` [PATCH 5/5] grep: enable recurse-submodules to work on <tree> objects Brandon Williams
2016-10-28 19:35 ` Brandon Williams
2016-10-27 23:26 ` [RFC PATCH 0/5] recursively grep across submodules Junio C Hamano
2016-10-28 0:59 ` Stefan Beller
2016-10-28 2:50 ` Junio C Hamano
2016-10-28 3:46 ` Stefan Beller
2016-10-28 15:06 ` Philip Oakley
2016-10-28 17:02 ` Brandon Williams
2016-10-28 17:21 ` Junio C Hamano
2016-10-31 22:38 ` [PATCH v2 0/6] " Brandon Williams
2016-10-31 22:38 ` [PATCH v2 1/6] submodules: add helper functions to determine presence of submodules Brandon Williams
2016-10-31 23:34 ` Stefan Beller
2016-11-01 17:20 ` Junio C Hamano
2016-11-01 17:24 ` Brandon Williams
2016-11-01 17:31 ` Stefan Beller
2016-11-06 7:42 ` Jacob Keller
2016-11-01 17:23 ` Brandon Williams
2016-11-05 2:34 ` Jonathan Tan
2016-10-31 22:38 ` [PATCH v2 2/6] submodules: load gitmodules file from commit sha1 Brandon Williams
2016-11-01 16:39 ` Stefan Beller
2016-10-31 22:38 ` [PATCH v2 3/6] grep: add submodules as a grep source type Brandon Williams
2016-11-01 16:53 ` Stefan Beller
2016-11-01 17:31 ` Junio C Hamano
2016-10-31 22:38 ` [PATCH v2 4/6] grep: optionally recurse into submodules Brandon Williams
2016-11-01 17:26 ` Stefan Beller
2016-11-01 20:25 ` Brandon Williams
2016-10-31 22:38 ` [PATCH v2 5/6] grep: enable recurse-submodules to work on <tree> objects Brandon Williams
2016-11-11 23:09 ` Jonathan Tan
2016-10-31 22:38 ` [PATCH v2 6/6] grep: search history of moved submodules Brandon Williams
2016-11-11 23:51 ` [PATCH v3 0/6] recursively grep across submodules Brandon Williams
2016-11-11 23:51 ` [PATCH v3 1/6] submodules: add helper functions to determine presence of submodules Brandon Williams
2016-11-15 23:49 ` Stefan Beller
2016-11-11 23:51 ` [PATCH v3 2/6] submodules: load gitmodules file from commit sha1 Brandon Williams
2016-11-12 0:22 ` Stefan Beller
2016-11-11 23:51 ` [PATCH v3 3/6] grep: add submodules as a grep source type Brandon Williams
2016-11-11 23:51 ` [PATCH v3 4/6] grep: optionally recurse into submodules Brandon Williams
2016-11-16 0:07 ` Stefan Beller
2016-11-17 22:13 ` Brandon Williams
2016-11-11 23:51 ` [PATCH v3 5/6] grep: enable recurse-submodules to work on <tree> objects Brandon Williams
2016-11-14 18:10 ` Junio C Hamano
2016-11-14 18:44 ` Jonathan Tan
2016-11-14 18:56 ` Junio C Hamano
2016-11-14 19:08 ` Jonathan Tan
2016-11-14 19:14 ` Brandon Williams
2016-11-16 1:09 ` Stefan Beller
2016-11-17 23:34 ` Brandon Williams
2016-11-11 23:51 ` [PATCH v3 6/6] grep: search history of moved submodules Brandon Williams
2016-11-12 0:30 ` Stefan Beller
2016-11-14 17:43 ` Brandon Williams
2016-11-15 17:42 ` [PATCH v3 0/6] recursively grep across submodules Stefan Beller
2016-11-18 19:58 ` [PATCH v4 " Brandon Williams
2016-11-18 19:58 ` [PATCH v4 1/6] submodules: add helper functions to determine presence of submodules Brandon Williams
2016-11-18 19:58 ` [PATCH v4 2/6] submodules: load gitmodules file from commit sha1 Brandon Williams
2016-11-18 19:58 ` [PATCH v4 3/6] grep: add submodules as a grep source type Brandon Williams
2016-11-18 21:37 ` Junio C Hamano
2016-11-18 22:56 ` Brandon Williams
2016-11-18 19:58 ` [PATCH v4 4/6] grep: optionally recurse into submodules Brandon Williams
2016-11-18 21:48 ` Junio C Hamano
2016-11-18 22:01 ` Junio C Hamano
2016-11-18 22:14 ` Junio C Hamano
2016-11-18 22:58 ` Brandon Williams
2016-11-18 19:58 ` [PATCH v4 5/6] grep: enable recurse-submodules to work on <tree> objects Brandon Williams
2016-11-18 22:19 ` Junio C Hamano
2016-11-18 22:52 ` Brandon Williams
2016-11-21 18:14 ` Brandon Williams
2016-11-18 19:58 ` [PATCH v4 6/6] grep: search history of moved submodules Brandon Williams
2016-11-18 20:10 ` [PATCH v4 0/6] recursively grep across submodules Stefan Beller
2016-11-22 18:46 ` [PATCH v5 " Brandon Williams
2016-11-22 18:46 ` [PATCH v5 1/6] submodules: add helper functions to determine presence of submodules Brandon Williams
2016-11-22 18:46 ` [PATCH v5 2/6] submodules: load gitmodules file from commit sha1 Brandon Williams
2016-11-22 18:46 ` [PATCH v5 3/6] grep: add submodules as a grep source type Brandon Williams
2016-11-22 18:46 ` [PATCH v5 4/6] grep: optionally recurse into submodules Brandon Williams
2016-11-22 18:46 ` [PATCH v5 5/6] grep: enable recurse-submodules to work on <tree> objects Brandon Williams
2016-11-22 22:59 ` Junio C Hamano
2016-11-22 23:21 ` Brandon Williams
2016-11-22 23:28 ` Brandon Williams
2016-11-22 23:37 ` Junio C Hamano
2016-11-22 23:54 ` Brandon Williams
2016-11-22 18:46 ` [PATCH v5 6/6] grep: search history of moved submodules Brandon Williams
2016-12-01 1:28 ` [PATCH v6 0/6] recursively grep across submodules Brandon Williams
2016-12-01 1:28 ` [PATCH v6 1/6] submodules: add helper functions to determine presence of submodules Brandon Williams
2016-12-01 4:29 ` Jeff King
2016-12-01 18:31 ` Stefan Beller
2016-12-01 18:46 ` Junio C Hamano
2016-12-01 19:09 ` Jeff King
2016-12-01 19:16 ` Brandon Williams
2016-12-01 20:54 ` Brandon Williams
2016-12-01 20:59 ` Jeff King
2016-12-01 21:56 ` Stefan Beller
2016-12-01 21:59 ` Jeff King
2016-12-02 18:36 ` Brandon Williams
2016-12-02 18:44 ` Jacob Keller
2016-12-02 18:49 ` Brandon Williams
2016-12-02 19:20 ` Jacob Keller
2016-12-02 19:28 ` Stefan Beller
2016-12-02 21:31 ` Jacob Keller
2016-12-02 21:46 ` Brandon Williams [this message]
2016-12-02 21:45 ` Jeff King
2016-12-03 0:16 ` Brandon Williams
2016-12-01 1:28 ` [PATCH v6 2/6] submodules: load gitmodules file from commit sha1 Brandon Williams
2016-12-01 1:28 ` [PATCH v6 3/6] grep: add submodules as a grep source type Brandon Williams
2016-12-01 1:28 ` [PATCH v6 4/6] grep: optionally recurse into submodules Brandon Williams
2016-12-01 1:28 ` [PATCH v6 5/6] grep: enable recurse-submodules to work on <tree> objects Brandon Williams
2016-12-01 7:25 ` Johannes Sixt
2016-12-01 17:51 ` Brandon Williams
2016-12-01 18:49 ` Junio C Hamano
2016-12-01 18:52 ` Jeff King
2016-12-01 1:28 ` [PATCH v6 6/6] grep: search history of moved submodules Brandon Williams
2016-12-01 4:22 ` [PATCH v6 0/6] recursively grep across submodules Jeff King
2016-12-01 17:45 ` Brandon Williams
2016-12-01 19:03 ` Jeff King
2016-12-16 19:03 ` [PATCH v7 0/7] " Brandon Williams
2016-12-16 19:03 ` [PATCH v7 1/7] submodules: add helper to determine if a submodule is populated Brandon Williams
2016-12-16 19:03 ` [PATCH v7 2/7] submodules: add helper to determine if a submodule is initialized Brandon Williams
2016-12-16 19:03 ` [PATCH v7 3/7] submodules: load gitmodules file from commit sha1 Brandon Williams
2016-12-16 19:03 ` [PATCH v7 4/7] grep: add submodules as a grep source type Brandon Williams
2016-12-16 19:03 ` [PATCH v7 5/7] grep: optionally recurse into submodules Brandon Williams
2016-12-16 19:03 ` [PATCH v7 6/7] grep: enable recurse-submodules to work on <tree> objects Brandon Williams
2016-12-16 19:03 ` [PATCH v7 7/7] grep: search history of moved submodules Brandon Williams
2016-12-16 21:42 ` [PATCH v7 0/7] recursively grep across submodules Junio C Hamano
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