From 18c2645f7b64027f6470fab146708d210f011317 Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Fri, 2 Aug 2019 01:48:26 -0500
Subject: [PATCH 1/4] grpc: 1.19.1 -> 1.22.0

---
 pkgs/development/libraries/grpc/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/grpc/default.nix b/pkgs/development/libraries/grpc/default.nix
index 77773e91e174..e91d57b0cd6a 100644
--- a/pkgs/development/libraries/grpc/default.nix
+++ b/pkgs/development/libraries/grpc/default.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchFromGitHub, cmake, zlib, c-ares, pkgconfig, openssl, protobuf, gflags }:
 
 stdenv.mkDerivation rec {
-  version = "1.19.1";
+  version = "1.22.0";
   name = "grpc-${version}";
   src = fetchFromGitHub {
     owner = "grpc";
     repo = "grpc";
     rev = "v${version}";
-    sha256 = "0c0jra4qnd86gyr4rlblic3igb5dpgrldac35myk5i5ia547fdhj";
+    sha256 = "10wf9sakkxpcvc09n1h91x6slwwhxblghs4zn95klyc4m6py1gfg";
   };
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [ zlib c-ares c-ares.cmake-config openssl protobuf gflags ];

From f2c7593c1aa37a049df0679522ede969e77f4056 Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Fri, 2 Aug 2019 01:55:21 -0500
Subject: [PATCH 2/4] grpc: fix darwin build

---
 pkgs/development/libraries/grpc/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/grpc/default.nix b/pkgs/development/libraries/grpc/default.nix
index e91d57b0cd6a..81e90154aa5b 100644
--- a/pkgs/development/libraries/grpc/default.nix
+++ b/pkgs/development/libraries/grpc/default.nix
@@ -19,6 +19,7 @@ stdenv.mkDerivation rec {
       "-DgRPC_PROTOBUF_PROVIDER=package"
       "-DgRPC_GFLAGS_PROVIDER=package"
       "-DBUILD_SHARED_LIBS=ON"
+      "-DCMAKE_SKIP_BUILD_RPATH=OFF"
     ];
 
   # CMake creates a build directory by default, this conflicts with the

From 5cae05ecf8ca4979b299e41a11195e9d4df5748f Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Sat, 3 Aug 2019 16:20:00 -0500
Subject: [PATCH 3/4] pythonPackages.grpcio: 1.18.0 -> 1.22.0

---
 .../python-modules/grpcio/default.nix          | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/pkgs/development/python-modules/grpcio/default.nix b/pkgs/development/python-modules/grpcio/default.nix
index 9d8814e65313..5c85dd343578 100644
--- a/pkgs/development/python-modules/grpcio/default.nix
+++ b/pkgs/development/python-modules/grpcio/default.nix
@@ -1,32 +1,30 @@
-{ stdenv, buildPythonPackage, fetchFromGitHub, lib, darwin
-, six, protobuf, enum34, futures, isPy27, isPy34, pkgconfig
+{ stdenv, buildPythonPackage, fetchFromGitHub, darwin
+, six, protobuf, enum34, futures, isPy27, pkgconfig
 , cython}:
 
-with stdenv.lib;
 buildPythonPackage rec {
   pname = "grpcio";
-  version = "1.18.0";
+  version = "1.22.0";
 
   src = fetchFromGitHub {
     owner = "grpc";
     repo = "grpc";
     rev = "v${version}";
     fetchSubmodules = true;
-    sha256 = "0cilbhk35gv46mk40jl5f3iqa94x14qyxbavpfq0kh0rld82nx4m";
+    sha256 = "093w8mgvl8ylqlqnfz06ijkmlnkxcjszf9zg6k5ybjw7dwal0jhz";
   };
 
   nativeBuildInputs = [ cython pkgconfig ]
-                    ++ optional stdenv.isDarwin darwin.cctools;
+                    ++ stdenv.lib.optional stdenv.isDarwin darwin.cctools;
 
   propagatedBuildInputs = [ six protobuf ]
-                        ++ lib.optionals (isPy27 || isPy34) [ enum34 ]
-                        ++ lib.optionals (isPy27) [ futures ];
+                        ++ stdenv.lib.optionals (isPy27) [ enum34 futures ];
 
-  preBuild = optionalString stdenv.isDarwin "unset AR";
+  preBuild = stdenv.lib.optionalString stdenv.isDarwin "unset AR";
 
   meta = with stdenv.lib; {
     description = "HTTP/2-based RPC framework";
-    license = lib.licenses.asl20;
+    license = licenses.asl20;
     homepage = "https://grpc.io/grpc/python/";
     maintainers = with maintainers; [ vanschelven ];
   };

From 368d8bb02e953cc6845a50c71ee6ce4c9432b840 Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Sat, 3 Aug 2019 16:21:00 -0500
Subject: [PATCH 4/4] pythonPackages.grpcio-tools: 1.18.0 -> 1.22.0

---
 .../python-modules/grpcio-tools/default.nix            | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index f16a5800bb44..9355db763dcc 100644
--- a/pkgs/development/python-modules/grpcio-tools/default.nix
+++ b/pkgs/development/python-modules/grpcio-tools/default.nix
@@ -1,24 +1,24 @@
-{ stdenv, buildPythonPackage, fetchPypi, lib, grpcio}:
+{ stdenv, buildPythonPackage, fetchPypi, protobuf, grpcio }:
 
 buildPythonPackage rec {
   pname = "grpcio-tools";
-  version = "1.18.0";
+  version = "1.22.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "77ec4d3c92ccbbe3de37c457e3c72962e519c36cafb96abe5842bced8eb926fa";
+    sha256 = "b5c0fe51a155625c9d1132ab8deb56b3015e111a6961e48aeb9dd89bd7c670ab";
   };
 
   enableParallelBuilding = true;
 
-  propagatedBuildInputs = [ grpcio ];
+  propagatedBuildInputs = [ protobuf grpcio ];
 
   # no tests in the package
   doCheck = false;
 
   meta = with stdenv.lib; {
     description = "Protobuf code generator for gRPC";
-    license = lib.licenses.asl20;
+    license = licenses.asl20;
     homepage = "https://grpc.io/grpc/python/";
     maintainers = with maintainers; [ vanschelven ];
   };