Set the execution platform on a new SpawnAction based on the RuleContext.

Part of #4128.

Change-Id: Ic46d2db2017b6cf4c14a91653ab75b3381b80b5a
PiperOrigin-RevId: 179426362

2 files changed, 7 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/actions/ActionConstructionContext.java b/src/main/java/com/google/devtools/build/lib/analysis/actions/ActionConstructionContext.java
index a38a08e6b7..3b10c5a42c 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/actions/ActionConstructionContext.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/actions/ActionConstructionContext.java
@@ -18,7 +18,9 @@ import com.google.devtools.build.lib.actions.Artifact;
 import com.google.devtools.build.lib.actions.Root;
 import com.google.devtools.build.lib.analysis.AnalysisEnvironment;
 import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
+import com.google.devtools.build.lib.analysis.platform.PlatformInfo;
 import com.google.devtools.build.lib.vfs.PathFragment;
+import javax.annotation.Nullable;
 
 /**
  * A temporary interface to allow migration from RuleConfiguredTarget to RuleContext. It bundles
@@ -53,4 +55,8 @@ public interface ActionConstructionContext {
    * method.
    */
   Artifact getDerivedArtifact(PathFragment rootRelativePath, Root root);
+
+  /** Returns the {@link PlatformInfo} describing the execution platform this action should use. */
+  @Nullable
+  PlatformInfo getExecutionPlatform();
 }
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/actions/SpawnAction.java b/src/main/java/com/google/devtools/build/lib/analysis/actions/SpawnAction.java
index 7dd7312e6e..edb6aab5c1 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/actions/SpawnAction.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/actions/SpawnAction.java
@@ -673,6 +673,7 @@ public class SpawnAction extends AbstractAction implements ExecutionInfoSpecifie
      */
     @CheckReturnValue
     public Action[] build(ActionConstructionContext context) {
+      setExecutionPlatform(context.getExecutionPlatform());
       return build(context.getActionOwner(), context.getAnalysisEnvironment(),
           context.getConfiguration());
     }