1 files changed, 40 insertions, 0 deletions
diff --git a/pkgs/development/tools/protoc-gen-grpc-web/default.nix b/pkgs/development/tools/protoc-gen-grpc-web/default.nix
new file mode 100644
index 00000000000..c50894b31e1
--- /dev/null
+++ b/pkgs/development/tools/protoc-gen-grpc-web/default.nix
@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch, protobuf }:
+
+stdenv.mkDerivation rec {
+  pname = "protoc-gen-grpc-web";
+  version = "1.2.1";
+
+  src = fetchFromGitHub {
+    owner = "grpc";
+    repo = "grpc-web";
+    rev = version;
+    sha256 = "sha256-NBENyc01O8NPo84z1CeZ7YvFvVGY2GSlcdxacRrQALw=";
+  };
+
+  sourceRoot = "source/javascript/net/grpc/web";
+
+  # remove once PR merged
+  # https://github.com/grpc/grpc-web/pull/1107
+  patches = [
+    (fetchpatch {
+      name = "add-prefix.patch";
+      url = "https://github.com/06kellyjac/grpc-web/commit/b0803be1080fc635a8d5b88da971835a888a0c77.patch";
+      stripLen = 4;
+      sha256 = "sha256-Rw9Z7F8cYrc/UIGUN6yXOus4v+Qn9Yf1Nc301TFx85A=";
+    })
+  ];
+
+  strictDeps = true;
+  nativeBuildInputs = [ protobuf ];
+  buildInputs = [ protobuf ];
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/grpc/grpc-web";
+    changelog = "https://github.com/grpc/grpc-web/blob/${version}/CHANGELOG.md";
+    description = "gRPC web support for Google's protocol buffers";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ jk ];
+  };
+}