fix

hacks.sh

 #!/usr/bin/env bash
 
 set -o errexit
+
+source /etc/railgun/profile
+
 if grep -q $1 hacks.csv; then
     sed -i "s/$1.*/$1,$2/" hacks.csv
 else
@@ -18,4 +21,4 @@ if [ "${gateway}" = "${RAILGUN_ID}" ]; then
     echo ip route add $1 via ${RAILGUN_GATEWAY}
 else
     echo ip route add $1 dev railgun${next_hop} src ${RAILGUN_ADDRESS} realm ${gateway}  advmss 1360
-fi
\ No newline at end of file
+fi