Add ActionKeyContext to Action#getKey.

This key context can be used by actions to share partial key computations, for instance when computing MD5s for nested sets.

RELNOTES: None
PiperOrigin-RevId: 177359607

1 files changed, 5 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/TargetContext.java b/src/main/java/com/google/devtools/build/lib/analysis/TargetContext.java
index e6ea9902b2..85fd697c27 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/TargetContext.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/TargetContext.java
@@ -17,6 +17,7 @@ package com.google.devtools.build.lib.analysis;
 import com.google.common.base.Objects;
 import com.google.common.base.Verify;
 import com.google.common.collect.ImmutableList;
+import com.google.devtools.build.lib.actions.ActionKeyContext;
 import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
 import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget;
 import com.google.devtools.build.lib.cmdline.Label;
@@ -71,6 +72,10 @@ public class TargetContext {
     return env;
   }
 
+  public ActionKeyContext getActionKeyContext() {
+    return env.getActionKeyContext();
+  }
+
   public Target getTarget() {
     return target;
   }