gohai: init at 2018-05-23

This project does not have a default versioning scheme. go2nix
suggests using the date of the most recent change.

pkgs/tools/system/gohai/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, buildGoPackage, fetchgit, fetchhg, fetchbzr, fetchsvn }:
+
+buildGoPackage rec {
+  name = "gohai-${version}";
+  version = "2018-05-23";
+  rev = "60e13eaed98afa238ad6dfc98224c04fbb7b19b1";
+
+  goPackagePath = "github.com/DataDog/gohai";
+
+  src = fetchgit {
+    inherit rev;
+    url    = "https://github.com/DataDog/gohai";
+    sha256 = "15hdw195f6ayrmj1nbyfpfswdai1r1z3qjw927mbma7rwql24dkr";
+  };
+
+  goDeps = ./deps.nix;
+
+  meta = with lib; {
+    description      = "System information collector";
+    homepage         = "https://github.com/DataDog/gohai";
+    license          = licenses.mit;
+    maintainers      = [ maintainers.tazjin ];
+    platforms        = platforms.unix;
+    repositories.git = git://github.com/DataDog/gohai.git;
+
+    longDescription = ''
+      Gohai is a tool which collects an inventory of system
+      information. It is used by the Datadog agent to provide detailed
+      system metrics.
+    '';
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1289,6 +1289,8 @@ with pkgs;
 
   goa = callPackage ../development/tools/goa { };
 
+  gohai = callPackage ../tools/system/gohai { };
+
   gorilla-bin = callPackage ../tools/security/gorilla-bin { };
 
   gosu = callPackage ../tools/misc/gosu { };