On 2024-02-23 14:15, Dan Shelton via Cygwin wrote:
On Fri, 23 Feb 2024 at 19:45, Roland Mainz via Cygwin wrote:
After that /usr/bin/chgrp on Cygwin works on the NFSv4.1 filesystem,
but if I do a /usr/bin/newgrp+/usr/bin/touch it will not create files
with that new group, because nfsd_debug.exe only sees the default
primary group, not the new primary group set by /usr/bin/newgrp.
Or is there a mistake - do I have to add the current user to the
Windows localgroup first somehow (like usermod on Linux) ?
Yes, there is a mistake. You have to add the intended user to that group.
Example:
net localgroup mywingrp1 mywinuser44 /add
HOWEVER, there is another Cygwin bug:
"getent group mywingrp1" does not list any group members, even after
"net localgroup mywingrp1 mywinuser44 /add", which is a POSIX
violation.
No POSIX violation as getent and nsswitch came from Solaris, and despite
adoption by Linux, BSDs, and Cygwin, is not standardized as of SUSv5? draft
202x_d4.1.
Cygwin `getent group` depends on `/etc/nsswitch.conf` settings, defaults to
`files db`, and lists the contents of the entries in `/etc/group` and/or
Security Account Manager SAM groups and/or Active Directory AD groups (could
take a long while initially and is faster with cygserver caching).
See `getent(1)`.
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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 retirer but when there is no more to cut
-- Antoine de Saint-Exupéry
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