Store Starlark action's inputs in action cache if it shadows an actio…

…n that discovers inputs.

The Starlark action inputs' execPaths should also be stored in the action cache if it shadows another action that discovers its inputs to avoid re-running input discovery after a shutdown.

PiperOrigin-RevId: 361101021

src/main/java/com/google/devtools/build/lib/analysis/actions/StarlarkAction.java

@@ -300,11 +300,14 @@ private static NestedSet<Artifact> createInputs(NestedSet<Artifact>... inputsLis
   /**
    * StarlarkAction can contain `unused_input_list`, which rely on the action cache entry's file
    * list to determine the list of inputs for a subsequent run, taking into account
-   * unused_input_list. Hence we need to store the inputs' execPaths in the action cache.
+   * unused_input_list. Hence we need to store the inputs' execPaths in the action cache. The
+   * StarlarkAction inputs' execPaths should also be stored in the action cache if it shadows
+   * another action that discovers its inputs to avoid re-running input discovery after a shutdown.
    */
   @Override
   public boolean storeInputsExecPathsInActionCache() {
-    return unusedInputsList.isPresent();
+    return unusedInputsList.isPresent()
+        || (shadowedAction.isPresent() && shadowedAction.get().discoversInputs());
   }
 
   /** Builder class to construct {@link StarlarkAction} instances. */