Add LabelLateBoundDefault to :coverage_report_generator attribute

RELNOTES:none
PiperOrigin-RevId: 199619691

4 files changed, 27 insertions, 5 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/BaseRuleClasses.java b/src/main/java/com/google/devtools/build/lib/analysis/BaseRuleClasses.java
index e38a5e41d6..86c5cd62d2 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/BaseRuleClasses.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/BaseRuleClasses.java
@@ -95,6 +95,19 @@ public class BaseRuleClasses {
         TestConfiguration.class, defaultValue, COVERAGE_SUPPORT_CONFIGURATION_RESOLVER);
   }
 
+  public static final String DEFAULT_COVERAGE_REPORT_GENERATOR_VALUE =
+      "//tools/test:coverage_report_generator";
+
+  @AutoCodec
+  static final Resolver<TestConfiguration, Label> COVERAGE_REPORT_GENERATOR_CONFIGURATION_RESOLVER =
+      (rule, attributes, configuration) -> configuration.getCoverageReportGenerator();
+
+  public static LabelLateBoundDefault<TestConfiguration> coverageReportGeneratorAttribute(
+      Label defaultValue) {
+    return LabelLateBoundDefault.fromTargetConfiguration(
+        TestConfiguration.class, defaultValue, COVERAGE_REPORT_GENERATOR_CONFIGURATION_RESOLVER);
+  }
+
   // TODO(b/65746853): provide a way to do this without passing the entire configuration
   /** Implementation for the :run_under attribute. */
   @AutoCodec
@@ -170,9 +183,11 @@ public class BaseRuleClasses {
                       coverageSupportAttribute(env.getToolsLabel(DEFAULT_COVERAGE_SUPPORT_VALUE))))
           // Used in the one-per-build coverage report generation action.
           .add(
-              attr("$coverage_report_generator", LABEL)
+              attr(":coverage_report_generator", LABEL)
                   .cfg(HostTransition.INSTANCE)
-                  .value(env.getLabel("//tools/defaults:coverage_report_generator"))
+                  .value(
+                      coverageReportGeneratorAttribute(
+                          env.getToolsLabel(DEFAULT_COVERAGE_REPORT_GENERATOR_VALUE)))
                   .singleArtifact())
 
           // The target itself and run_under both run on the same machine. We use the DATA config
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java
index 73236d45da..5c386177b8 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java
@@ -191,9 +191,13 @@ public class SkylarkRuleClassFunctions implements SkylarkRuleFunctionsApi<Artifa
                             toolsRepository + BaseRuleClasses.DEFAULT_COVERAGE_SUPPORT_VALUE))))
         // Used in the one-per-build coverage report generation action.
         .add(
-            attr("$coverage_report_generator", LABEL)
+            attr(":coverage_report_generator", LABEL)
                 .cfg(HostTransition.INSTANCE)
-                .value(labelCache.getUnchecked("//tools/defaults:coverage_report_generator"))
+                .value(
+                    BaseRuleClasses.coverageReportGeneratorAttribute(
+                        labelCache.getUnchecked(
+                            toolsRepository
+                                + BaseRuleClasses.DEFAULT_COVERAGE_REPORT_GENERATOR_VALUE)))
                 .singleArtifact())
         .add(attr(":run_under", LABEL).cfg(lipoDataTransition).value(RUN_UNDER))
         .build();
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/test/TestActionBuilder.java b/src/main/java/com/google/devtools/build/lib/analysis/test/TestActionBuilder.java
index b6b59414f6..e421c15596 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/test/TestActionBuilder.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/test/TestActionBuilder.java
@@ -329,7 +329,7 @@ public final class TestActionBuilder {
       // contain rules with baseline coverage but no test rules that have coverage enabled, and in
       // that case, we still need the report generator.
       reportGenerator = ruleContext.getPrerequisiteArtifact(
-          "$coverage_report_generator", Mode.HOST);
+          ":coverage_report_generator", Mode.HOST);
     }
 
     return new TestParams(runsPerTest, shards, TestTimeout.getTestTimeout(ruleContext.getRule()),
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/test/TestConfiguration.java b/src/main/java/com/google/devtools/build/lib/analysis/test/TestConfiguration.java
index 1749528904..1eb91467de 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/test/TestConfiguration.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/test/TestConfiguration.java
@@ -180,7 +180,10 @@ public class TestConfiguration extends Fragment {
     @Override
     public FragmentOptions getHost() {
       TestOptions hostOptions = (TestOptions) getDefault();
+      // These fields are used in late-bound attributes, which must not be null in the host
+      // configuration.
       hostOptions.coverageSupport = this.coverageSupport;
+      hostOptions.coverageReportGenerator = this.coverageReportGenerator;
       return hostOptions;
     }
   }