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lein-protobuf is a Leiningen plugin for compiling Google Protobuf .proto files into Java .class files. It can be used with or without clojure-protobuf, which is a Clojure wrapper around the Java protobuf API.

Add the following to your project.clj file:

:plugins [[lein-protobuf "0.5.0"]]

Replace "0.5.0" with the actual latest version, which you can find at http://clojars.org/lein-protobuf.

Also, you should add the version of the protobuf library to your dependencies in project.clj corresponding to the version of protoc being used:

:dependencies [[com.google.protobuf/protobuf-java "2.6.1"]]

Note: lein-protobuf requires at least version 2.0 of Leiningen.

By default, lein-protobuf looks for .proto files in resources/proto in your project directory. This was chosen as the default location so that .proto files would also be included in your jar files. You can change this with:

:proto-path "path/to/proto"

You can specify custom protoc executable with:

:protoc "/usr/local/bin/protoc260"

To compile all .proto files in this directory, just run:

lein protobuf

You can also compile specific proto files with:

lein protobuf file1.proto file2.proto

We also add a hook to Leiningen's compile task, so .proto files will automatically be compiled before that task runs. So if you like, you can simply run:

lein compile

If you have any questions or need help, you can find us on IRC in #flatland.

Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.