devtools/depotview: init

This is a small service for accessing git repos read-only over gRPC.

It's going to be used to allow hackdoc to render arbitrary versions of
hscloud.

Change-Id: Ib3c5eb5a8bc679e8062142e6fa30505d9550e2fa
diff --git a/devtools/depotview/proto/BUILD.bazel b/devtools/depotview/proto/BUILD.bazel
new file mode 100644
index 0000000..47df920
--- /dev/null
+++ b/devtools/depotview/proto/BUILD.bazel
@@ -0,0 +1,23 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+load("@io_bazel_rules_go//proto:def.bzl", "go_proto_library")
+
+proto_library(
+    name = "proto_proto",
+    srcs = ["depotview.proto"],
+    visibility = ["//visibility:public"],
+)
+
+go_proto_library(
+    name = "proto_go_proto",
+    compilers = ["@io_bazel_rules_go//proto:go_grpc"],
+    importpath = "code.hackerspace.pl/hscloud/devtools/depotview/proto",
+    proto = ":proto_proto",
+    visibility = ["//visibility:public"],
+)
+
+go_library(
+    name = "go_default_library",
+    embed = [":proto_go_proto"],
+    importpath = "code.hackerspace.pl/hscloud/devtools/depotview/proto",
+    visibility = ["//visibility:public"],
+)