rules_python_wheel_directory_check.patch

diff --git experimental/examples/wheel/BUILD experimental/examples/wheel/BUILD
index 06371fe..eaf0709 100644
--- experimental/examples/wheel/BUILD
+++ experimental/examples/wheel/BUILD
@@ -31,6 +31,20 @@ py_library(
     ],
 )

+py_library(
+    name = "main_with_gen_data",
+    srcs = ["main.py"],
+    data = [
+        ":gen_dir",
+    ],
+)
+
+genrule(
+    name="gen_dir",
+    outs=["someDir"],
+    cmd="mkdir -p $@",
+)
+
 # Package just a specific py_libraries, without their dependencies
 py_wheel(
     name = "minimal_with_py_library",
@@ -53,6 +67,12 @@ py_package(
     deps = [":main"],
 )

+py_package(
+    name = "example_pkg_with_data",
+    packages = ["experimental.examples.wheel"],
+    deps = [":main_with_gen_data"]
+)
+
 py_wheel(
     name = "minimal_with_py_package",
     # Package data. We're building "example_minimal_package-0.0.1-py3-none-any.whl"
@@ -135,6 +155,16 @@ py_wheel(
     ],
 )

+py_wheel(
+    name = "use_genrule_with_dir_in_outs",
+    distribution = "use_genrule_with_dir_in_outs",
+    python_tag = "py3",
+    version = "0.0.1",
+    deps = [
+        ":example_pkg_with_data"
+    ]
+)
+
 py_test(
     name = "wheel_test",
     srcs = ["wheel_test.py"],
diff --git experimental/tools/wheelmaker.py experimental/tools/wheelmaker.py
index 38fb122..4c7be30 100644
--- experimental/tools/wheelmaker.py
+++ experimental/tools/wheelmaker.py
@@ -102,6 +102,11 @@ class WheelMaker(object):

             return normalized_arcname

+        # If anywhere in the dependency tree a directory is set
+        # it will be passed in as an input file and we need to
+        # ignore.
+        if os.path.isdir(real_filename):
+            return
         arcname = arcname_from(package_filename)

         self._zipfile.write(real_filename, arcname=arcname)