3 files changed, 18 insertions, 0 deletions
diff --git a/tools/build_rules/appengine/BUILD b/tools/build_rules/appengine/BUILD
index a686d70805..04da5c2505 100644
--- a/tools/build_rules/appengine/BUILD
+++ b/tools/build_rules/appengine/BUILD
@@ -17,3 +17,9 @@ filegroup(
     srcs = ["appengine_deploy.sh.template"],
     visibility = ["//visibility:public"],
 )
+
+filegroup(
+    name = "srcs",
+    srcs = glob(["**"]),
+    visibility = ["//tools:__pkg__"],
+)
diff --git a/tools/build_rules/closure/BUILD b/tools/build_rules/closure/BUILD
index 6ae9538e70..7dd4b1ee54 100644
--- a/tools/build_rules/closure/BUILD
+++ b/tools/build_rules/closure/BUILD
@@ -18,3 +18,9 @@ java_binary(
     visibility = ["//visibility:public"],
     runtime_deps = ["@closure_stylesheets//jar"],
 )
+
+filegroup(
+    name = "srcs",
+    srcs = glob(["**"]),
+    visibility = ["//tools:__pkg__"],
+)
diff --git a/tools/build_rules/rust/BUILD b/tools/build_rules/rust/BUILD
index 284933418e..e212a3160e 100644
--- a/tools/build_rules/rust/BUILD
+++ b/tools/build_rules/rust/BUILD
@@ -1,5 +1,11 @@
 package(default_visibility = ["//visibility:public"])
 
+filegroup(
+    name = "srcs",
+    srcs = glob(["**"]),
+    visibility = ["//tools:__pkg__"],
+)
+
 config_setting(
     name = "darwin",
     values = {"host_cpu": "darwin"},