Make Rule know about the name of the workspace it is in.

This is needed for taking the runfiles prefix from the WORKSPACE file instead of hardcoding it.

--
MOS_MIGRATED_REVID=87347883

1 files changed, 8 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/PackageValue.java b/src/main/java/com/google/devtools/build/lib/skyframe/PackageValue.java
index 65fd2afb7e..d3292fbd2d 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/PackageValue.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/PackageValue.java
@@ -19,6 +19,7 @@ import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
 import com.google.devtools.build.lib.packages.Package;
 import com.google.devtools.build.lib.packages.PackageIdentifier;
 import com.google.devtools.build.lib.vfs.PathFragment;
+import com.google.devtools.build.lib.vfs.RootedPath;
 import com.google.devtools.build.skyframe.SkyKey;
 import com.google.devtools.build.skyframe.SkyValue;
 
@@ -52,4 +53,11 @@ public class PackageValue implements SkyValue {
   public static SkyKey key(PackageIdentifier pkgIdentifier) {
     return new SkyKey(SkyFunctions.PACKAGE, pkgIdentifier);
   }
+
+  /**
+   * Returns a SkyKey to find the WORKSPACE file at the given path.
+   */
+  public static SkyKey workspaceKey(RootedPath workspacePath) {
+    return new SkyKey(SkyFunctions.WORKSPACE_FILE, workspacePath);
+  }
 }