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Date: Fri, 4 Dec 2015 00:07:19 +0000 (UTC)
From: Matt Smith <boulderfans AT comcast DOT net>
To: cygwin AT cygwin DOT com
Message-ID: <45790306.1954012.1449187639543.JavaMail.zimbra@comcast.net>
In-Reply-To: <20151203204221.GK14466@dinwoodie.org>
References: <1032375163 DOT 9174650 DOT 1448234447549 DOT JavaMail DOT zimbra AT comcast DOT net> <1271139068 DOT 9180259 DOT 1448235027708 DOT JavaMail DOT zimbra AT comcast DOT net> <20151203204221 DOT GK14466 AT dinwoodie DOT org>
Subject: Re: Git issue.
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Ok.  I wasn't sure as the behavior changed.  It worked in 1.9.5 and then stopped working when I moved to 2.5.x.  I'm not sure if it matters to you, but doing some bisecting it looks like the behavior changed between 2.2.0 and 2.3.0:

-------------------------
[/cygdrive/d/projects]
$ git --version
git version 2.2.0.dirty

[/cygdrive/d/projects]
$ git --git-dir=d:/projects/git-git/.git config alias.foo ls-files

[/cygdrive/d/projects]
$

-------------------------
[/cygdrive/d/projects]
$ git --version
git version 2.3.0.dirty

[/cygdrive/d/projects]
$ git --git-dir=d:/projects/git-git/.git config alias.foo ls-files
error: could not lock config file d:/projects/git-git/.git/config: No such file or directory

----------------------------

We'll adjust accordingly.

Thanks!

-Matt

----- Original Message ----- 
From: "Adam Dinwoodie" <adam AT dinwoodie DOT org> 
To: cygwin AT cygwin DOT com 
Sent: Thursday, December 3, 2015 1:42:21 PM 
Subject: Re: Git issue. 

On Sun, Nov 22, 2015 at 11:30:27PM +0000, boulderfans wrote: 
> [/cygdrive/d/projects] 
> $ git --git-dir=d:/projects/git-git/.git config alias.foo ls-files 
> error: Unable to open tempfile: /cygdrive/d/projects/d:/projects/git-git/.git/config.lock 
> error: could not lock config file d:/projects/git-git/.git/config: No such file or directory 
> 
> The problem is that the code that is checking the --git-dir option 
> doesn't work properly if you use a DOS drive:/path specification. 

Hi Matt, 

Cygwin applications, including applications you've compiled yourself 
using the Cygwin toolchain, normally expect Cygwin's Linux-like paths, 
e.g. /cygdrive/d/projects/git-git. Attempting to use Windows paths 
simply isn't meant to work. 

You can convert from a Windows path to the equivalent Cygwin path using 
the cygpath utility, e.g.: 

git --git-dir="$(cygpath 'd:/projects/git-git/.git')" config alias.foo ls-files 

Adam 

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