useradd.bbclass: check if a group already exists manually

The use of groupadd -f makes much more difficult to figure when a
group is not add. This was the case of the class not working for our
usage and this being caused by the lack of '/etc/group' file but
unnoticed as groupadd wasn't failing according.

(From OE-Core rev: 82933a1ff921fd0836f03e6f379fd8536cdc0a30)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/meta/classes/useradd.bbclass b/meta/classes/useradd.bbclass
index 1e03a04a8c..fb70b3e679 100644
--- a/meta/classes/useradd.bbclass
+++ b/meta/classes/useradd.bbclass
@@ -37,7 +37,13 @@ if test "x$GROUPADD_PARAM" != "x"; then
         opts=`echo "$GROUPADD_PARAM" | cut -d ';' -f 1`
         remaining=`echo "$GROUPADD_PARAM" | cut -d ';' -f 2-`
         while test "x$opts" != "x"; do
-                eval $PSEUDO groupadd -f $OPT $opts
+                groupname=`echo "$opts" | awk '{ print $NF }'`
+                group_exists=`grep "^$groupname:" $SYSROOT/etc/group || true`
+                if test "x$group_exists" = "x"; then
+                        eval $PSEUDO groupadd  $OPT $opts
+                else
+                        echo "Note: group $groupname already exists, not re-creating it"
+                fi
 
                 if test "x$opts" = "x$remaining"; then
                         break