gocode: 2018-07-27 -> 2018-10-22 (#48832)

github.com/nsf/gocode has also been deprecated in favor of github.com/mdempsky/gocode

pkgs/development/tools/gocode/default.nix

@@ -1,9 +1,9 @@
 { stdenv, buildGoPackage, fetchFromGitHub }:
 
 buildGoPackage rec {
-  name = "gocode-${version}";
-  version = "20180727-${stdenv.lib.strings.substring 0 7 rev}";
-  rev = "00e7f5ac290aeb20a3d8d31e737ae560a191a1d5";
+  name = "gocode-unstable-${version}";
+  version = "2018-10-22";
+  rev = "e893215113e5f7594faa3a8eb176c2700c921276";
 
   goPackagePath = "github.com/mdempsky/gocode";
 
@@ -13,12 +13,15 @@ buildGoPackage rec {
   allowGoReference = true;
 
   src = fetchFromGitHub {
+    inherit rev;
+
     owner = "mdempsky";
     repo = "gocode";
-    inherit rev;
-    sha256 = "0vrwjq4r90za47hm88yx5h2mvkv7y4yaj2xbx3skg62wq2drsq31";
+    sha256 = "1zsll7yghv64890k7skl0g2lg9rsaiisgrfnb8kshsxrcxi1kc2l";
   };
 
+  goDeps = ./deps.nix;
+
   preBuild = ''
     # getting an error building the testdata because they contain invalid files
     # on purpose as part of the testing.

pkgs/development/tools/gocode/deps.nix

@@ -0,0 +1,11 @@
+[
+  {
+    goPackagePath = "golang.org/x/tools";
+    fetch = {
+      type = "git";
+      url = "https://go.googlesource.com/tools";
+      rev = "6fe81c087942f588f40c3f67b41ce284f2f70eee";
+      sha256 = "04yl7rk2lf94bxz74ja5snh7ava9gcnf2yx6y002pfkk538r6w5d";
+    };
+  }
+]