i3cat: extracted from goPackages

pkgs/development/go-modules/libs.json

@@ -898,5 +898,14 @@
       "rev": "9ae4729fba20b3533d829a9c6ba8195b068f2abc",
       "sha256": "1j51aaskfqc953p5s9naqimr04hzfijm4yczdsiway1xnnvvpfr1"
     }
+  },
+  {
+    "goPackagePath": "github.com/vincent-petithory/structfield",
+    "fetch": {
+      "type": "git",
+      "url": "https://github.com/vincent-petithory/structfield",
+      "rev": "01a738558a47fbf16712994d1737fb31c77e7d11",
+      "sha256": "1kyx71z13mf6hc8ly0j0b9zblgvj5lzzvgnc3fqh61wgxrsw24dw"
+    }
   }
 ]

pkgs/tools/misc/i3cat/default.nix

@@ -0,0 +1,20 @@
+# This file was generated by go2nix.
+{ stdenv, lib, goPackages, fetchgit, fetchhg, fetchbzr, fetchsvn }:
+
+with goPackages;
+
+buildGoPackage rec {
+  name = "i3cat-${version}";
+  version = "20150321-${stdenv.lib.strings.substring 0 7 rev}";
+  rev = "b9ba886a7c769994ccd8d4627978ef4b51fcf576";
+
+  goPackagePath = "github.com/vincent-petithory/i3cat";
+
+  src = fetchgit {
+    inherit rev;
+    url = "https://github.com/vincent-petithory/i3cat";
+    sha256 = "1xlm5c9ajdb71985nq7hcsaraq2z06przbl6r4ykvzi8w2lwgv72";
+  };
+
+  goDeps = ./deps.json;
+}

pkgs/tools/misc/i3cat/deps.json

@@ -0,0 +1,8 @@
+[
+  {
+    "include": "../../libs.json",
+    "packages": [
+      "github.com/vincent-petithory/structfield"
+    ]
+  }
+]

pkgs/top-level/all-packages.nix

@@ -13026,7 +13026,7 @@ in
 
   i3blocks = callPackage ../applications/window-managers/i3/blocks.nix { };
 
-  i3cat = goPackages.i3cat.bin // { outputs = [ "bin" ]; };
+  i3cat = callPackage ../tools/misc/i3cat { };
 
   i3lock = callPackage ../applications/window-managers/i3/lock.nix {
     cairo = cairo.override { xcbSupport = true; };

pkgs/top-level/go-packages.nix

@@ -2026,15 +2026,6 @@ let
     ];
   };
 
-  i3cat = buildFromGitHub {
-    rev    = "b9ba886a7c769994ccd8d4627978ef4b51fcf576";
-    version = "2015-03-21";
-    owner  = "vincent-petithory";
-    repo   = "i3cat";
-    sha256 = "1xlm5c9ajdb71985nq7hcsaraq2z06przbl6r4ykvzi8w2lwgv72";
-    buildInputs = [ structfield ];
-  };
-
   inf = buildFromGitHub {
     rev    = "c85f1217d51339c0fa3a498cc8b2075de695dae6";
     owner  = "go-inf";