Changing alternc.config way of checking of acls configuration..

debian/alternc.config

@@ -189,22 +189,22 @@ while [ "$QUEST_STATE" != 0 -a "$QUEST_STATE" != 13 ]; do
       db_input high alternc/alternc_html
     fi
     db_get alternc/alternc_html
-    LOCATION="$RET"
-    #checking acl and quota activation, does't work with NFS yet. should now work with lxc
+
+    ALTERNC_HTML="$RET"
+    #checking acl and quota activation.
     MOUNT_POINT=$(df -P ${LOCATION%/*} | tail -n 1 | awk '{print $6}')
+    aclcheckfile="$LOCATION"."test-acl"
+    touch "$aclcheckfile"
+    setfacl -m u:root:rwx "$aclcheckfile" 2>/dev/null || ( echo "Error : ACL aren't activated on $ALTERNC_HTML AlternC can't work without it." ; exit 2)
 
-    # Get the mount options for the path: (warning, / may have multiple declarations, take the last one only :
-    MOUNT_OPTS=$(awk '$2=="'$MOUNT_POINT'" { print $4 }' /proc/mounts | tail -1)
-
-    # Check to see if acl is one of the mount points:
-    ACL="$(echo "$MOUNT_OPTS" | tr "," "\\n" | egrep '^acl|attr2|user_xattr$')" || true
-    if [ -z "$ACL" ]; then
+    if [ $? -ne 0 ]; then
       db_input critical alternc/acluninstalled || true
       db_go
       db_reset alternc/acluninstalled || true
       db_fset alternc/acluninstalled "seen" "false" || true
       exit 2
     fi
+
     quota_activation=$(quotaon -pa 2>/dev/null |grep '^group.*on$' | awk '$4 ~ /^\'$MOUNT_POINT'$/ {print $4}') 
     
     if [ -z "$quota_activation" -o "$quota_activation"  != "$MOUNT_POINT" ]; then