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References: <CABPLASQZ+g7juLdwd_z=GEqdtga2AcS4P6_E8P4SKDas0+KiwQ AT mail DOT gmail DOT com>
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Date: Fri, 27 Mar 2020 10:02:23 +0530
Message-ID: <CALK-3mLaqpwMOTrFkR9PNdi7=X+ZgGGQ=BSt31tw_SagtJPYqQ@mail.gmail.com>
Subject: Re: ACL: Why SYSTEM doesn't have full access set on newly created
 files?
To: Kacper Michajlow <kasper93 AT gmail DOT com>
Content-Type: multipart/mixed; boundary="000000000000a8360e05a1ce9a7f"
From: Biswapriyo Nath via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Biswapriyo Nath <nathbappai AT gmail DOT com>
Cc: cygwin AT cygwin DOT com
Sender: "Cygwin" <cygwin-bounces AT cygwin DOT com>

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Same issue here. I use git in msys2 for correct file permissions. Also
if I install cygwin and reinstall Windows 10 OS then Windows programs
can not edit any cygwin files. I have to take ownership with takeown
and icacls commands then chmod the files.

I found a temporary workaround. 1. Add `noacl` option in `/etc/fstab`
file in cygwin. But this only fixes the file permission in Windows
drives . 2. In newlib-cygwin source code, remove
`FILE_PERSISTENT_ACLS` flag and add `MOUNT_NOACL` flag in
winsup/cygwin/mount.cc file. Attached patch file as reference.

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