1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/exec/TestStrategy.java b/src/main/java/com/google/devtools/build/lib/exec/TestStrategy.java
index 0a29b9f89d..7d98a9a942 100644
--- a/src/main/java/com/google/devtools/build/lib/exec/TestStrategy.java
+++ b/src/main/java/com/google/devtools/build/lib/exec/TestStrategy.java
@@ -32,6 +32,7 @@ import com.google.devtools.build.lib.rules.test.TestActionContext;
 import com.google.devtools.build.lib.rules.test.TestResult;
 import com.google.devtools.build.lib.rules.test.TestRunnerAction;
 import com.google.devtools.build.lib.rules.test.TestTargetExecutionSettings;
+import com.google.devtools.build.lib.util.Fingerprint;
 import com.google.devtools.build.lib.util.OS;
 import com.google.devtools.build.lib.util.io.FileWatcher;
 import com.google.devtools.build.lib.util.io.OutErr;
@@ -262,6 +263,14 @@ public abstract class TestStrategy implements TestActionContext {
     }
   }
 
+  protected String getTmpDirName(PathFragment execPath, int shard, int run) {
+    Fingerprint digest = new Fingerprint();
+    digest.addPath(execPath);
+    digest.addInt(shard);
+    digest.addInt(run);
+    return digest.hexDigestAndReset();
+  }
+
   /** Parse a test result XML file into a {@link TestCase}. */
   @Nullable
   protected TestCase parseTestResult(Path resultFile) {