From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Harris <git@peter.is-a-geek.org>
Subject: Re: Checking out messes up execution bit
Date: Sat, 6 Nov 2010 20:11:24 -0400
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To: Manuel Strehl <manuel.strehl@physik.uni-regensburg.de>
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On Sat, Nov 6, 2010 at 5:11 PM, Manuel Strehl wrote:
> To put it in a nutshell: I edit and commit a file in branch "master", then I
> check out branch "dev" and the edited file gets the execution bit set. This
> leads to a working copy differing from the content of the index. It's
> especially painful when I try to merge "master" into "dev", which fails
> then. I'm working under ext4 and Samba/CIFS, respectively.

This is because CIFS does not support the execution bit.

> One answerer at superuser thinks that this looks like a bug in git itself.
> Therefore I'd like to check with you, if there is possibly another
> explanation for my observation, before I issue a bug report.

See core.fileMode in "git help config"

Peter Harris