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971d2dffea
When creating the POSIX ACL rewrite, the code merging permissions from
everyone/group to group/user ACEs was accidentally called for newly
generated files as well.
This could result in broken permissions, if umask used unusual values
like "0100", granted permissions to everyone/group not granted to
group/user.
Make sure to skip permission merging if the file got just created and
we only want to set correct permissions for the first time.
Fixes: bc444e5aa4ca ("Reapply POSIX ACL changes.")
Reported-by: Jon Turney <jon.turney@dronecode.org.uk>
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>