Merge pull request #137 from Suwayomi/main

actually support ipv6

set-env-variable.sh

@@ -7,6 +7,16 @@
 # exec "$@"
 
 TMP=$(echo "$suwayomi" | sed "s@/\$@@")
-TMP2=$(awk '$1=="nameserver" && $2~/^((25[0-5]|(2[0-4]|1[0-9]|[1-9]|)[0-9])\.?){4}$/ {print $2}' /etc/resolv.conf)
+
+# get the resolver IPs from /etc/resolv.conf and make them nginx syntax
+TMP2=$(awk '
+#if ipv4 print it
+$1=="nameserver" && $2~/^((25[0-5]|(2[0-4]|1[0-9]|[1-9]|)[0-9])\.?){4}$/{
+    print $2
+}
+# if the ip isnt ipv4 assume its ipv6 and surround it in []
+$1=="nameserver" && $2!~/^((25[0-5]|(2[0-4]|1[0-9]|[1-9]|)[0-9])\.?){4}$/{
+    print "["$2"]"
+}' /etc/resolv.conf)
 sed -i "s@resolverPLACEHOLDER@$TMP2@" /etc/nginx/conf.d/default.conf
 sed -i "s@PLACEHOLDER@$TMP@" /etc/nginx/conf.d/default.conf