Fix distribution tarballs to include directory rules. (#520)

BUILD

@@ -86,6 +86,8 @@ filegroup(
         "WORKSPACE.bzlmod",
         "//lib:distribution",
         "//rules:distribution",
+        "//rules/directory:distribution",
+        "//rules/directory/private:distribution",
         "//rules/private:distribution",
         "//toolchains/unittest:distribution",
     ] + glob(["*.bzl"]),

rules/directory/BUILD

@@ -47,3 +47,14 @@ bzl_library(
         ":providers",
     ],
 )
+
+# The files needed for distribution
+filegroup(
+    name = "distribution",
+    srcs = [
+        "BUILD",
+    ] + glob(["*.bzl"]),
+    visibility = [
+        "//:__pkg__",
+    ],
+)

rules/directory/private/BUILD

@@ -24,3 +24,14 @@ bzl_library(
         "//lib:paths",
     ],
 )
+
+# The files needed for distribution
+filegroup(
+    name = "distribution",
+    srcs = [
+        "BUILD",
+    ] + glob(["*.bzl"]),
+    visibility = [
+        "//:__pkg__",
+    ],
+)