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Message-ID: <e5da44a4-15ca-4480-8c64-4cbb0ca66745@SystematicSW.ab.ca>
Date: Fri, 24 Jan 2025 08:36:43 -0700
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Subject: Re: Cygwin rsync changes (acl) permissions, even when not asked to?
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From: Brian Inglis via Cygwin <cygwin AT cygwin DOT com>
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On 2025-01-24 02:23, Marco Atzeri via Cygwin wrote:
> On 24/01/2025 09:32, Mario Emmenlauer via Cygwin wrote:
>>
>> Dear All,
>>
>> There is an an issue that plagues me when using git in Cygwin.
>>
>> I have two developer machines, one with Linux, and one with Windows. On
>> the Windows machine, when I clone sources with git, everything works well.
>>
>> However, when I then use rsync to copy changes from the Linux machine to
>> Windows, the file permissions change on all files! In turn, git complains
>> about a new executable permission. And chmod fails to restore the previous
>> state.

Sound like it is adding default Windows permissions with +x!

>> Currently, the only way I found to restore a useful state, is to remove
>> the whole directory, and clone again from git!
>>
>> Here are the details:
>> I'm using rsync options --verbose --recursive --delete which in my eyes
>> should not modify permissions. I clone with rsync over the already existing,
>> unchanged files from git, so there should be anyways no need for rsync to
>> re-transfer or modify the files.

Why clone a git repo with rsync when you can just use git from Linux to Windows?

>> The directory in question is a subfolder on the C: drive, which is an
>> NTFS-formatted NVMe. I created the parent folder as a normal user, and did
>> not apply any special permissions. In fstab, I leave default Cygwin options.

Created parent and subfolder as a normal Windows or Cygwin user?

>> rsync is version 3.3.0, Cygwin is version 3.5.5-1.

Are you sure you are running

>>  From acl checks, it seems that rsync would modify only one of the ACLs.
>> The second ACL before is "COMPANY\User:(R,W,D,WDAC,WO)", and after running
>> rsync is "COMPANY\User:(F)". I'm not sure what this means, but even less
>> I understand why rsync performs this change?

> where is located this directory ?

Also what are the parent and subfolder directory paths and ACLs, particularly 
DACLs, from getfacl and icacls?

> Can you provide the cygcheck.out as attachement ?
> see https://cygwin.com/problems.html

I have had some success fixing Cygwin ACLs messed up by Windows programs using 
setfacl -b on directories and files, but I sometimes have to fix up directory 
DACLs using setfacl, then fix up the file ACLs, then permissions.

-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retrancher  but when there is no more to cut
                                 -- Antoine de Saint-Exupéry

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