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https://bugs.gentoo.org/903083
https://github.com/shadow-maint/shadow/pull/691
https://github.com/shadow-maint/shadow/commit/bd2d0079c90241f24671a7946a3ad175dc1a3aeb
From fcb04de38a0ddc263288a1c450b35bfb1503d523 Mon Sep 17 00:00:00 2001
From: Mike Gilbert <floppym@gentoo.org>
Date: Sat, 25 Mar 2023 21:16:55 -0400
Subject: [PATCH] usermod: respect --prefix for --gid option
The --gid option accepts a group name or id. When a name is provided, it
is resolved to an id by looking up the name in the group database
(/etc/group).
The --prefix option overides the location of the passwd and group
databases. I suspect the --gid option was overlooked when wiring up the
--prefix option.
useradd --gid already respects --prefix; this change makes usermod
behave the same way.
Fixes: b6b2c756c91806b1c3e150ea0ee4721c6cdaf9d0
Signed-off-by: Mike Gilbert <floppym@gentoo.org>
--- a/src/usermod.c
+++ b/src/usermod.c
@@ -1072,7 +1072,7 @@ static void process_flags (int argc, char **argv)
fflg = true;
break;
case 'g':
- grp = getgr_nam_gid (optarg);
+ grp = prefix_getgr_nam_gid (optarg);
if (NULL == grp) {
fprintf (stderr,
_("%s: group '%s' does not exist\n"),
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