1 files changed, 35 insertions, 0 deletions
diff --git a/pkgs/development/tools/capnproto-java/default.nix b/pkgs/development/tools/capnproto-java/default.nix
new file mode 100644
index 00000000000..95b78b724eb
--- /dev/null
+++ b/pkgs/development/tools/capnproto-java/default.nix
@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchFromGitHub, fetchpatch, capnproto, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "capnproto-java";
+  version = "0.1.5";
+
+  src = fetchFromGitHub {
+    owner = "capnproto";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256:1512x70xa6mlg9dmr84r8xbf0jzysjal51ivhhh2ppl97yiqjgls";
+  };
+
+  patches = [
+    # Add make install rule
+    (fetchpatch {
+      url = "https://github.com/capnproto/capnproto-java/commit/e96448d3f5737db25e55cd268652712b69db5cc0.diff";
+      sha256 = "0f3vyap1zsxy675900pzg5ngh7bf9icllm1w04q64g8i91sdzljl";
+    })
+  ];
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ capnproto ];
+
+  makeFlags = [ "PREFIX=${placeholder "out"}" ];
+
+  meta = with lib; {
+    description = "Cap'n Proto codegen plugin for Java";
+    longDescription = "Only includes compiler plugin, the Java runtime/library that the generated code will link to must be built separately with Maven.";
+    homepage = "https://dwrensha.github.io/capnproto-java/index.html";
+    license = licenses.mit;
+    maintainers = with maintainers; [ bhipple ];
+  };
+}