2 files changed, 28 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java b/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java
index 42826523e1..2d13abd9ec 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java
@@ -227,11 +227,19 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
         registeredSkylarkProviders = ImmutableBiMap.builder();
     private Map<String, String> platformRegexps = new TreeMap<>();
 
+    // TODO(pcloudy): Remove this field after Bazel rule definitions are not used internally.
+    private String nativeLauncherLabel;
+
     public Builder setProductName(String productName) {
       this.productName = productName;
       return this;
     }
 
+    public Builder setNativeLauncherLabel(String label) {
+      this.nativeLauncherLabel = label;
+      return this;
+    }
+
     public void addWorkspaceFilePrefix(String contents) {
       defaultWorkspaceFilePrefix.append(contents);
     }
@@ -455,6 +463,14 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
     }
 
     @Override
+    public Label getLauncherLabel() {
+      if (nativeLauncherLabel == null) {
+        return null;
+      }
+      return getToolsLabel(nativeLauncherLabel);
+    }
+
+    @Override
     public String getToolsRepository() {
       return toolsRepository;
     }
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/RuleDefinitionEnvironment.java b/src/main/java/com/google/devtools/build/lib/analysis/RuleDefinitionEnvironment.java
index 5880e954dd..e388b86284 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/RuleDefinitionEnvironment.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/RuleDefinitionEnvironment.java
@@ -16,6 +16,8 @@ package com.google.devtools.build.lib.analysis;
 
 import com.google.devtools.build.lib.cmdline.Label;
 
+import javax.annotation.Nullable;
+
 /**
  * Encapsulates the services available for implementors of the {@link RuleDefinition}
  * interface.
@@ -37,4 +39,14 @@ public interface RuleDefinitionEnvironment {
    * Returns the tools repository prefix.
    */
   String getToolsRepository();
+
+  /**
+   * Returns the label for Bazel binary launcher.
+   * In bazel, it should be //tools/launcher:launcher, otherwise it should be null.
+   *
+   * TODO(pcloudy): Remove this after Bazel rule definitions are not used internally anymore.
+   * Related bug b/63658220
+   */
+  @Nullable
+  Label getLauncherLabel();
 }