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Subject:	Re: git clone fails with: error: chmod on config.lock failed: Invalid argument
To:	cygwin AT cygwin DOT com
References:	<trinity-3a438ac3-41ea-4364-8a55-e9750829ee24-1453898493961 AT 3capp-gmx-bs63>
From:	Ken Brown <kbrown AT cornell DOT edu>
Message-ID:	<56A8C67A.6070101@cornell.edu>
Date:	Wed, 27 Jan 2016 08:30:34 -0500
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On 1/27/2016 7:41 AM, Rainer Blome wrote:
> Hi!
>
> When I use "git clone foo bar" on a Linux host, it works as expected.
>
>   git clone foo bar
>   Cloning into 'bar'...
>   done.
>
> When I use the same command on my Cygwin 64 installation, this used
> to work, but does not work any more.  I can fetch and otherwise use
> Git in existing repos all right (have not noticed anything else
> amiss), but the clone command fails like this:
>
> ----
> cd /cygdrive/c/base
> git clone foo bar
> Cloning into 'bar'...
> error: chmod on /cygdrive/c/base/bar/.git/config.lock failed: Invalid argument
> error: chmod on /cygdrive/c/base/bar/.git/config.lock failed: Invalid argument
> error: chmod on /cygdrive/c/base/bar/.git/config.lock failed: Invalid argument
> error: chmod on /cygdrive/c/base/bar/.git/config.lock failed: Invalid argument
> error: chmod on /cygdrive/c/base/bar/.git/config.lock failed: Invalid argument
> fatal: 'origin' does not appear to be a git repository
> fatal: Could not read from remote repository.
>
> Please make sure you have the correct access rights
> and the repository exists.
> ----
>
> Directory `bar` exists neither before nor after the attempted cloning.
> In the parent directory, manually creating a subdirectory works as
> expected:
>
>   /cygdrive/c/base> mkdir bar; ls -ld bar; rmdir bar
>   drwx------+ 1 username 123 0 Jan 27 13:13 bar
>
> The issue is not restricted to local cloning, the same messages are
> printed when I attempt to clone from a remote host (from which I
> can clone just fine from a Linux client).
>
> Searching the internet for "cygwin git error chmod on config.lock
> failed: Invalid argument" gave not useful results.
>
> I first noticed the issue after having upgraded to Cygwin 2.4.0-1.
> Juding from the directory creation times in `base`,
> it looks like the last successful clone happened on 2015-07-28.
> I do not know which version of Cygwin I used at that time,
> I update roughly once a month.
>
> Today, I upgraded to 2.4.1-1, the issue persists.
>
> I tried downgrading git from 2.7 to 2.6 via the installer.
> The issue persisted, so I rolled forward again, the issue persisted.
>
> How can I troubleshoot this further?

There might be a problem with the default ACL on the directory 
/cygdrive/c/base.  What does 'getfacl /cygdrive/c/base' show?

Ken


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