protoc-gen-doc: init unstable at 2019-04-22 (#64093)

pkgs/development/tools/protoc-gen-doc/default.nix

@@ -0,0 +1,30 @@
+{ buildGoModule, fetchFromGitHub, lib }:
+
+buildGoModule rec {
+  name = "protoc-gen-doc-unstable-${version}";
+  version = "2019-04-22";
+
+  src = fetchFromGitHub {
+    owner = "pseudomuto";
+    repo = "protoc-gen-doc";
+    rev = "f824a8908ce33f213b2dba1bf7be83384c5c51e8";
+    sha256 = "004axh2gqc4f115mdxxg59d19hph3rr0bq9d08n3nyl315f590kj";
+  };
+
+  modSha256 = "1952ycdkgl00q2s3qmhislhhim15nn6nmlkwbfdvrsfzznqj47rd";
+
+  meta = with lib; {
+    description = "Documentation generator plugin for Google Protocol Buffers";
+    longDescription = ''
+      This is a documentation generator plugin for the Google Protocol Buffers
+      compiler (protoc). The plugin can generate HTML, JSON, DocBook and
+      Markdown documentation from comments in your .proto files.
+
+      It supports proto2 and proto3, and can handle having both in the same
+      context.
+    '';
+    homepage = "https://github.com/pseudomuto/protoc-gen-doc";
+    license = licenses.mit;
+    maintainers = with maintainers; [ kalbasit ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -163,6 +163,8 @@ in
 
   proto-contrib = callPackage ../development/tools/proto-contrib {};
 
+  protoc-gen-doc = callPackage ../development/tools/protoc-gen-doc {};
+
   demoit = callPackage ../servers/demoit { };
 
   diffPlugins = (callPackage ../build-support/plugins.nix {}).diffPlugins;