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

Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 42919

diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh
index 6f22dd013a9548d3e53d5487f993164d9f2b06c4..b88d4d62175a785d5f0651ff127d2407ac09cb59 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 $name
                                        gid=$?