base-files: the USERID code path did not check for duplicate groups

Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42919 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh
index 6f22dd0..b88d4d6 100755 (executable)
--- a/package/base-files/files/lib/functions.sh
+++ b/package/base-files/files/lib/functions.sh
@@ -193,7 +193,7 @@ default_postinst() {
                                }
 
                                gid=$id
-                               [ -n "$gid" ] && group_add $name $gid
+                               [ -n "$gid" ] && group_exists $name || group_add $name $gid
                                [ -z "$gid" ] && {
                                        group_add_next $name
                                        gid=$?