no more goPackages

pkgs/development/tools/gotools/default.nix

@@ -0,0 +1,44 @@
+{ stdenv, lib, go, buildGoPackage, fetchgit, fetchhg, fetchbzr, fetchsvn }:
+
+buildGoPackage rec {
+  name = "gotools-${version}";
+  version = "20160519-${stdenv.lib.strings.substring 0 7 rev}";
+  rev = "9ae4729fba20b3533d829a9c6ba8195b068f2abc";
+
+  goPackagePath = "golang.org/x/tools";
+  goPackageAliases = [ "code.google.com/p/go.tools" ];
+
+  src = fetchgit {
+    inherit rev;
+    url = "https://go.googlesource.com/tools";
+    sha256 = "1j51aaskfqc953p5s9naqimr04hzfijm4yczdsiway1xnnvvpfr1";
+  };
+
+  goDeps = ./deps.json;
+
+  preConfigure = ''
+    # Make the builtin tools available here
+    mkdir -p $bin/bin
+    eval $(go env | grep GOTOOLDIR)
+    find $GOTOOLDIR -type f | while read x; do
+      ln -sv "$x" "$bin/bin"
+    done
+    export GOTOOLDIR=$bin/bin
+  '';
+
+  excludedPackages = "\\("
+    + stdenv.lib.concatStringsSep "\\|" ([ "testdata" ] ++ stdenv.lib.optionals (stdenv.lib.versionAtLeast go.meta.branch "1.5") [ "vet" "cover" ])
+    + "\\)";
+
+  # Do not copy this without a good reason for enabling
+  # In this case tools is heavily coupled with go itself and embeds paths.
+  allowGoReference = true;
+
+  # Set GOTOOLDIR for derivations adding this to buildInputs
+  postInstall = ''
+    mkdir -p $bin/nix-support
+    substituteAll ${../../go-modules/tools/setup-hook.sh} $bin/nix-support/setup-hook.tmp
+    cat $bin/nix-support/setup-hook.tmp >> $bin/nix-support/setup-hook
+    rm $bin/nix-support/setup-hook.tmp
+  '';
+}

pkgs/development/tools/gotools/deps.json

@@ -0,0 +1,8 @@
+[
+  {
+    "include": "../../libs.json",
+    "packages": [
+      "golang.org/x/net"
+    ]
+  }
+]