gistfile1.txt

diff --git a/test_run.sh b/test_run.sh
index e5bc24f..06cafa6 100755
--- a/test_run.sh
+++ b/test_run.sh
@@ -525,12 +525,34 @@ revert_change() {
   mv $1/$2.bak $1/$2
 }
 
+test_intellij_aspect() {
+  # Verify that any changes to rules_scala work with the IntelliJ aspect
+  # TODO(???) - test intellij at master and latest release
+  rules_scala_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+
+  if [[ "$runner" == "run_test_ci" ]]; then
+    # ci: checkout to a temporary directory as artifacts are transient.
+    cd $(mktemp -d)
+    git clone git@github.com:bazelbuild/intellij.git
+    cd intellij
+  else
+    # local: update or checkout a sibling dir. Should we use a submodule?
+    intellij_checkout_dir="${rules_scala_dir}/../"
+    test -d "intellij/.git" || git clone git@github.com:bazelbuild/intellij.git
+    cd intellij
+    git fetch && git pull && checkout origin/master
+  fi
+  bazel test --test_output=errors --incompatible_disallow_set_constructor=false --override_repository io_bazel_rules_scala=${rules_scala_dir} //aspect/testing/tests/src/com/google/idea/blaze/aspect/scala/...
+}
+
 if [ "$1" != "ci" ]; then
   runner="run_test_local"
 else
   runner="run_test_ci"
 fi
 
+$runner test_intellij_aspect
 $runner bazel build test/...
 $runner bazel test test/...
 $runner bazel test third_party/...