fixed regex

.githooks/post-merge

@@ -18,7 +18,7 @@ rm -f $OPKG_PULL_TMP
 rm -f $OPKG_CMDS_TMP
 
 for fn in $(git diff-tree -r HEAD@{1} HEAD --name-only); do
-    if grep -E -q ".*(DC*.json|dc/dc2c.hex)" <<< $fn; then
+    if grep -E -q "(DC.*json|dc2c.hex|tariff.*json)" <<< $fn; then
         echo "$fn" >> $GIT_PULL_TMP
     fi
     if grep -E -q ".*opkg_commands" <<< $fn; then