From 4a6d056a8d058ab98a01348fb0c046660ee99a71 Mon Sep 17 00:00:00 2001
From: Ted Kaplan <ted@shlashdot.org>
Date: Mon, 27 Feb 2023 02:02:09 -0800
Subject: [PATCH] Add host transition to lcov_merger in Java version of py_test

Fixes #17568

Closes #17587.

PiperOrigin-RevId: 512563828
Change-Id: If95b26f5b86b2848dbaaf6129d1daa1538a22826
---
 .../build/lib/bazel/rules/python/BazelPyTestRule.java        | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/google/devtools/build/lib/bazel/rules/python/BazelPyTestRule.java b/src/main/java/com/google/devtools/build/lib/bazel/rules/python/BazelPyTestRule.java
index a58c8eef1416bc..0ebab840205e60 100644
--- a/src/main/java/com/google/devtools/build/lib/bazel/rules/python/BazelPyTestRule.java
+++ b/src/main/java/com/google/devtools/build/lib/bazel/rules/python/BazelPyTestRule.java
@@ -57,7 +57,10 @@ public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment env)
             attr("$launcher", LABEL)
                 .cfg(ExecutionTransitionFactory.create())
                 .value(env.getToolsLabel("//tools/launcher:launcher")))
-        .add(attr(":lcov_merger", LABEL).value(BaseRuleClasses.getCoverageOutputGeneratorLabel()))
+        .add(
+            attr(":lcov_merger", LABEL)
+                .cfg(ExecutionTransitionFactory.create())
+                .value(BaseRuleClasses.getCoverageOutputGeneratorLabel()))
         // Add the script as an attribute in order for py_test to output code coverage results for
         // code covered by CC binaries invocations.
         .add(