Fix --target_environment crash on alias to an output file.

PiperOrigin-RevId: 249294325
bazelbuild · May 21, 2019 · b7a9615 · b7a9615
1 parent 1193e69
commit b7a9615
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/.../java/com/google/devtools/build/lib/analysis/constraints/TopLevelConstraintSemantics.java b/.../java/com/google/devtools/build/lib/analysis/constraints/TopLevelConstraintSemantics.java
@@ -34,6 +34,7 @@
 import com.google.devtools.build.lib.packages.NoSuchTargetException;
 import com.google.devtools.build.lib.packages.Target;
 import com.google.devtools.build.lib.pkgcache.PackageManager;
+import com.google.devtools.build.lib.rules.AliasConfiguredTarget;
 import com.google.devtools.build.lib.skyframe.BuildConfigurationValue.Key;
 import java.util.Collection;
 import java.util.List;
@@ -216,6 +217,9 @@ private Collection<MissingEnvironment> getMissingEnvironments(ConfiguredTarget t
     EnvironmentCollection expectedEnvironments = expectedEnvironmentsBuilder.build();
 
     // Now check the target against expected environments.
+    if (topLevelTarget instanceof AliasConfiguredTarget) {
+      topLevelTarget = ((AliasConfiguredTarget) topLevelTarget).getActual();
+    }
     TransitiveInfoCollection asProvider;
     if (topLevelTarget instanceof OutputFileConfiguredTarget) {
       asProvider = ((OutputFileConfiguredTarget) topLevelTarget).getGeneratingRule();