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From: Eric Sunshine <sunshine@sunshineco.com>
To: Duy Nguyen <pclouds@gmail.com>
Cc: Cosmin Polifronie <oppturbv@gmail.com>,
	Git Mailing List <git@vger.kernel.org>
Subject: Re: Running 'git worktree add' in 'pre-commit' hook
Date: Thu, 16 May 2019 08:14:50 -0400	[thread overview]
Message-ID: <CAPig+cTCdBkru-6tJVeYxQSaosv7pb8R5ge_aedzi5C7w39mQg@mail.gmail.com> (raw)
In-Reply-To: <CACsJy8BXxVggL7CWA5Q0d7U4B+encfZ85NshxLJ=VvHhf_LUYg@mail.gmail.com>

On Thu, May 16, 2019 at 7:42 AM Duy Nguyen <pclouds@gmail.com> wrote:
> On Thu, May 16, 2019 at 6:33 PM Eric Sunshine <sunshine@sunshineco.com> wrote:
> > You run afoul of it in other situations, as well. For instance, say
> > you have your index file in a non-standard location:
> >
> >     $ export GIT_INDEX_FILE=../storage/index
> >     $ git worktree add --detach other
> >     Preparing worktree (detached HEAD c9156d2)
> >     fatal: Unable to create '/.../foo/other/../storage/index.lock': No
> > such file or directory
> >     $
> >
> Oh if it's relative $GIT_INDEX_FILE then I think its our environment.c
> code that does not work so well when we chdir() away. I vaguely recall
> something about this when discussing Jeff's chdir-notify series. But
> it turns out that's about chdir() in run-command.c [1]. But the idea
> is still the same, all variables are supposed to be relative to $CWD.
> Whenever you move $CWD you should reparent all of them, including
> $GIT_INDEX_FILE.

builtin/worktree.c:add_worktree() is already assigning
new-worktree-specific values for GIT_DIR and GIT_WORK_TREE, so for the
specific example I showed above, the correct fix would be for
add_worktree() to remove GIT_INDEX_FILE from the environment before
invoking other Git commands, correct?

  reply	other threads:[~2019-05-16 12:15 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-14 14:52 Running 'git worktree add' in 'pre-commit' hook Cosmin Polifronie
2019-05-15  0:46 ` Bryan Turner
2019-05-15 12:38   ` Cosmin Polifronie
2019-05-16 11:25 ` Duy Nguyen
2019-05-16 11:33   ` Eric Sunshine
2019-05-16 11:39     ` Eric Sunshine
2019-05-16 11:44       ` Duy Nguyen
2019-05-16 12:05         ` Eric Sunshine
2019-05-16 11:41     ` Duy Nguyen
2019-05-16 12:14       ` Eric Sunshine [this message]
2019-05-16 12:28         ` Duy Nguyen
2019-05-16 11:59   ` Eric Sunshine
2019-05-16 22:17   ` Jeff King
2019-05-16 23:16     ` Eric Sunshine
2019-05-17  0:19       ` Jeff King
2019-05-17  1:02         ` Eric Sunshine
2019-05-17  1:19           ` Jeff King

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