buildGoPackage: deps.json -> deps.nix in NIXON

https://github.com/NixOS/nixpkgs/pull/17254#issuecomment-245295541

* update docs to describe `deps.nix`
* include goDeps in nix-shell GOPATH
* NixOS 16.09 rel notes about replacing goPackages

pkgs/shells/oh/default.nix

@@ -13,5 +13,5 @@ buildGoPackage rec {
     sha256 = "0ajidzs0aisbw74nri9ks6sx6644nmwkisc9mvxm3f89zmnlsgwr";
   };
 
-  goDeps = ./deps.json;
+  goDeps = ./deps.nix;
 }

pkgs/shells/oh/deps.json

@@ -1,29 +0,0 @@
-[
-    {
-        "goPackagePath": "golang.org/x/sys",
-        "fetch": {
-            "type": "git",
-            "url": "https://go.googlesource.com/sys",
-            "rev": "d9157a9621b69ad1d8d77a1933590c416593f24f",
-            "sha256": "1asdbp7rj1j1m1aar1a022wpcwbml6zih6cpbxaw7b2m8v8is931"
-        }
-    },
-    {
-        "goPackagePath": "github.com/michaelmacinnis/adapted",
-        "fetch": {
-            "type": "git",
-            "url": "https://github.com/michaelmacinnis/adapted",
-            "rev": "0dd5fa34d6f9d74c7c0deed1fc224f9a87e02978",
-            "sha256": "16n3a87m33pqx4qih713q3gw2j6ksj1q3ngjax6bpn5b11rqvikv"
-        }
-    },
-    {
-        "goPackagePath": "github.com/peterh/liner",
-        "fetch": {
-            "type": "git",
-            "url": "https://github.com/peterh/liner",
-            "rev": "ad1edfd30321d8f006ccf05f1e0524adeb943060",
-            "sha256": "0c24d9j1gnq7r982h1l2isp3d37379qw155hr8ihx9i2mhpfz317"
-        }
-    }
-]

pkgs/shells/oh/deps.nix

@@ -0,0 +1,29 @@
+[
+  {
+    goPackagePath = "golang.org/x/sys";
+    fetch = {
+      type = "git";
+      url = "https://go.googlesource.com/sys";
+      rev = "d9157a9621b69ad1d8d77a1933590c416593f24f";
+      sha256 = "1asdbp7rj1j1m1aar1a022wpcwbml6zih6cpbxaw7b2m8v8is931";
+    };
+  }
+  {
+    goPackagePath = "github.com/michaelmacinnis/adapted";
+    fetch = {
+      type = "git";
+      url = "https://github.com/michaelmacinnis/adapted";
+      rev = "0dd5fa34d6f9d74c7c0deed1fc224f9a87e02978";
+      sha256 = "16n3a87m33pqx4qih713q3gw2j6ksj1q3ngjax6bpn5b11rqvikv";
+    };
+  }
+  {
+    goPackagePath = "github.com/peterh/liner";
+    fetch = {
+      type = "git";
+      url = "https://github.com/peterh/liner";
+      rev = "ad1edfd30321d8f006ccf05f1e0524adeb943060";
+      sha256 = "0c24d9j1gnq7r982h1l2isp3d37379qw155hr8ihx9i2mhpfz317";
+    };
+  }
+]