fix: remove trailing whitespace from awk output

* trailing whitespaces break configs that use quotation marks around vars. See nginxinc/docker-nginx-unprivileged#234
nginxinc · Aug 1, 2024 · aa664ca · aa664ca
1 parent a6f7d14
commit aa664ca
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/entrypoint/15-local-resolvers.envsh b/entrypoint/15-local-resolvers.envsh
@@ -8,5 +8,5 @@ PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 
 [ "${NGINX_ENTRYPOINT_LOCAL_RESOLVERS:-}" ] || return 0
 
-NGINX_LOCAL_RESOLVERS=$(awk 'BEGIN{ORS=" "} $1=="nameserver" {if ($2 ~ ":") {print "["$2"]"} else {print $2}}' /etc/resolv.conf)
+NGINX_LOCAL_RESOLVERS=$(awk 'BEGIN{ORS=" "} $1=="nameserver" {if ($2 ~ ":") {print "["$2"]"} else {print $2}}' /etc/resolv.conf | xargs)
 export NGINX_LOCAL_RESOLVERS