Add ScalaPB integration (#395)

* Add ScalaPB integration

* Update ci scripts with new scalapblib module

* Move ScalaPB integration to contrib module

2 files changed, 35 insertions, 1 deletions

diff --git a/scratch/build.sc b/scratch/build.sc
index db446c99..46c271b5 100644
--- a/scratch/build.sc
+++ b/scratch/build.sc
@@ -12,4 +12,9 @@ object core extends JavaModule{
 object app extends JavaModule{
   def moduleDeps = Seq(core)
   object test extends Tests with JUnitTests
-}
\ No newline at end of file
+}
+
+object scalapb extends mill.contrib.scalapblib.ScalaPBModule {
+  def scalaVersion = "2.12.4"
+  def scalaPBVersion = "0.7.4"
+}
diff --git a/scratch/scalapb/protobuf/scratch.proto b/scratch/scalapb/protobuf/scratch.proto
new file mode 100644
index 00000000..3153ad54
--- /dev/null
+++ b/scratch/scalapb/protobuf/scratch.proto
@@ -0,0 +1,29 @@
+syntax = "proto2";
+
+package tutorial;
+
+option java_package = "com.example.tutorial";
+option java_outer_classname = "AddressBookProtos";
+
+message Person {
+  required string name = 1;
+  required int32 id = 2;
+  optional string email = 3;
+
+  enum PhoneType {
+    MOBILE = 0;
+    HOME = 1;
+    WORK = 2;
+  }
+
+  message PhoneNumber {
+    required string number = 1;
+    optional PhoneType type = 2 [default = HOME];
+  }
+
+  repeated PhoneNumber phones = 4;
+}
+
+message AddressBook {
+  repeated Person people = 1;
+}
\ No newline at end of file