Add dontInstallSrc flag to buildGoPackage

pkgs/servers/etcd/default.nix

@@ -15,6 +15,8 @@ buildGoPackage rec {
 
   subPackages = [ "./" ];
 
+  dontInstallSrc = true;
+
   meta = with lib; {
     description = "A highly-available key value store for shared configuration and service discovery";
     homepage = http://coreos.com/using-coreos/etcd/;

pkgs/servers/nsq/default.nix

@@ -20,6 +20,8 @@ buildGoPackage rec {
 
   buildInputs = [ go-nsq go-options toml perks go-hostpool ];
 
+  dontInstallSrc = true;
+
   meta = with lib; {
     description = "A realtime distributed messaging platform";
     homepage = http://nsq.io/;

pkgs/servers/serfdom/default.nix

@@ -16,6 +16,8 @@ buildGoPackage rec {
 
   buildInputs = [ cli mapstructure memberlist logutils go-syslog mdns columnize circbuf ];
 
+  dontInstallSrc = true;
+
   meta = with lib; {
     description = "A service discovery and orchestration tool that is decentralized, highly available, and fault tolerant";
     homepage = http://www.serfdom.io/;