Make bazel not require a tools/defaults/BUILD file.

--
MOS_MIGRATED_REVID=105734972

1 files changed, 4 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/PackageLookupFunction.java b/src/main/java/com/google/devtools/build/lib/skyframe/PackageLookupFunction.java
index b49742a3ac..903d99e687 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/PackageLookupFunction.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/PackageLookupFunction.java
@@ -51,6 +51,10 @@ public class PackageLookupFunction implements SkyFunction {
   public SkyValue compute(SkyKey skyKey, Environment env) throws PackageLookupFunctionException {
     PathPackageLocator pkgLocator = PrecomputedValue.PATH_PACKAGE_LOCATOR.get(env);
     PackageIdentifier packageKey = (PackageIdentifier) skyKey.argument();
+    if (PackageFunction.isDefaultsPackage(packageKey)) {
+      return PackageLookupValue.success(pkgLocator.getPathEntries().get(0));
+    }
+
     if (!packageKey.getRepository().equals(PackageIdentifier.MAIN_REPOSITORY_NAME)
         && !packageKey.getRepository().isDefault()) {
       return computeExternalPackageLookupValue(skyKey, env, packageKey);