1 files changed, 44 insertions, 0 deletions
diff --git a/Library/Formula/nanopb-generator.rb b/Library/Formula/nanopb-generator.rb
new file mode 100644
index 000000000..15922ba53
--- /dev/null
+++ b/Library/Formula/nanopb-generator.rb
@@ -0,0 +1,44 @@
+require "formula"
+
+class NanopbGenerator < Formula
+  homepage "http://koti.kapsi.fi/jpa/nanopb/docs/index.html"
+  url "http://koti.kapsi.fi/~jpa/nanopb/download/nanopb-0.2.7.tar.gz"
+  sha1 "7dce0b9e1f9e5d0614697a8ea1678cee76f14858"
+
+  depends_on :python
+  depends_on "protobuf"
+
+  resource "protobuf-python" do
+    url "https://pypi.python.org/packages/source/p/protobuf/protobuf-2.5.0.tar.gz"
+    sha1 "1a6028d113484089edbde95900b6d9467160cc41"
+  end
+
+  def install
+    ENV.prepend_create_path "PYTHONPATH", libexec+"lib/python2.7/site-packages"
+    resource("protobuf-python").stage do
+      system "python", "setup.py", "install", "--prefix=#{libexec}"
+    end
+
+    Dir.chdir "generator"
+
+    system "make", "-C", "proto"
+
+    libexec.install "nanopb_generator.py", "protoc-gen-nanopb", "proto"
+
+    (bin/"protoc-gen-nanopb").write_env_script libexec/"protoc-gen-nanopb", :PYTHONPATH => ENV["PYTHONPATH"]
+    (bin/"nanopb_generator").write_env_script libexec/"nanopb_generator.py", :PYTHONPATH => ENV["PYTHONPATH"]
+  end
+
+  test do
+    (testpath/"test.proto").write <<-PROTO.undent
+      message Test {
+        required string test_field = 1;
+      }
+    PROTO
+    system Formula["protobuf"].bin/"protoc",
+      "--proto_path=#{testpath}", "--plugin=#{bin/"protoc-gen-nanopb"}",
+      "--nanopb_out=#{testpath}", testpath/"test.proto"
+    system "grep", "test_field", testpath/"test.pb.c"
+    system "grep", "test_field", testpath/"test.pb.h"
+  end
+end