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From: Jeff King <peff@peff.net>
To: "SZEDER Gábor" <szeder.dev@gmail.com>
Cc: Miriam Rubio <mirucam@gmail.com>, git@vger.kernel.org
Subject: Re: [Outreachy][PATCH] abspath: reconcile `dir_exists()` and `is_directory()`
Date: Thu, 24 Oct 2019 14:13:45 -0400	[thread overview]
Message-ID: <20191024181344.GD12892@sigill.intra.peff.net> (raw)
In-Reply-To: <20191024114148.GK4348@szeder.dev>

On Thu, Oct 24, 2019 at 01:41:48PM +0200, SZEDER Gábor wrote:

> > diff --git a/builtin/clone.c b/builtin/clone.c
> > index c46ee29f0a..f89938bf94 100644
> > --- a/builtin/clone.c
> > +++ b/builtin/clone.c
> > @@ -899,12 +899,6 @@ static void dissociate_from_references(void)
> >  	free(alternates);
> >  }
> >  
> > -static int dir_exists(const char *path)
> > -{
> > -	struct stat sb;
> > -	return !stat(path, &sb);
> 
> But look at this, it only checks that the given path exists, but it
> could be a regular file or any other kind of path other than a
> directory as well!
> 
> So this function clearly doesn't do what it's name suggests.  That's
> bad.
> 
> Unfortunately, it gets worse: some of its callsites in
> 'builtin/clone.c' do expect it to check the existence of _any_ path,
> not just a directory.

Yes, that's the reason for the funny name (and the fact that it was
never re-factored to use is_directory() in the first place). There's
some more discussion in:

  https://public-inbox.org/git/xmqqbmi9dw55.fsf@gitster.mtv.corp.google.com/

and its subthread.

-Peff

  reply	other threads:[~2019-10-24 18:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-24  9:27 [Outreachy][PATCH] abspath: reconcile `dir_exists()` and `is_directory()` Miriam Rubio
2019-10-24 11:41 ` SZEDER Gábor
2019-10-24 18:13   ` Jeff King [this message]
2019-10-24 20:45     ` Emily Shaffer
2019-10-24 20:51       ` Jeff King
2019-10-25  2:40         ` Junio C Hamano
2019-10-24 20:57   ` Miriam R.
2019-10-25  2:45   ` Junio C Hamano
2019-10-25  8:59     ` Miriam R.
2019-10-25  9:43       ` Junio C Hamano
2019-10-25 14:47         ` Christian Couder
2019-10-25 15:23           ` Miriam R.
2019-10-26 15:30             ` Miriam R.
2019-10-26 18:05               ` Christian Couder
2019-10-26 18:42                 ` Miriam R.

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