When requesting nodes* look first in target configuration, then host (used to be the other way around).

This fixes b/72817591 which saw the following -
(1) somepath(//foo, //bar) --nohost_deps -> empty query results
(2) deps(//foo) --nohost_deps | grep '//bar' -> found //bar

This happened because //bar was configured in both the host and the target config. There was no path from //foo-target -> //bar-host because of the --nohost_deps setting (1) but //bar-target did exist in the results of (2)

PiperOrigin-RevId: 184868484

2 files changed, 6 insertions, 26 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/query2/ConfiguredTargetQueryEnvironment.java b/src/main/java/com/google/devtools/build/lib/query2/ConfiguredTargetQueryEnvironment.java
index 0dfff29072..c87583db36 100644
--- a/src/main/java/com/google/devtools/build/lib/query2/ConfiguredTargetQueryEnvironment.java
+++ b/src/main/java/com/google/devtools/build/lib/query2/ConfiguredTargetQueryEnvironment.java
@@ -180,14 +180,17 @@ public class ConfiguredTargetQueryEnvironment
   }
 
   private ConfiguredTarget getConfiguredTarget(Label label) throws InterruptedException {
-    // Try with host configuration.
+    // Try with target configuration.
     ConfiguredTarget configuredTarget =
-        getConfiguredTarget(ConfiguredTargetValue.key(label, hostConfiguration));
+        getConfiguredTarget(ConfiguredTargetValue.key(label, defaultTargetConfiguration));
     if (configuredTarget != null) {
       return configuredTarget;
     }
+    // Try with host configuration (even when --nohost_deps is set in the case that top-level
+    // targets are configured in the host configuration so we are doing a host-configuration-only
+    // query).
     configuredTarget =
-        getConfiguredTarget(ConfiguredTargetValue.key(label, defaultTargetConfiguration));
+        getConfiguredTarget(ConfiguredTargetValue.key(label, hostConfiguration));
     if (configuredTarget != null) {
       return configuredTarget;
     }
diff --git a/src/test/shell/integration/configured_query_test.sh b/src/test/shell/integration/configured_query_test.sh
index bdeea8c23c..0a09332306 100755
--- a/src/test/shell/integration/configured_query_test.sh
+++ b/src/test/shell/integration/configured_query_test.sh
@@ -103,29 +103,6 @@ function test_universe_scope_specified() {
   assert_not_equals $HOST_CONFIG $TARGET_CONFIG
 }
 
-# This test ensures the known buggy behavior described at b/71905538 i.e. nodes
-# lingering from previous builds.
-# TODO(juliexxia): Remove this test once b/71905538 is fixed.
-function test_ghost_nodes_bug() {
-  write_java_library_build
-
-  # Create host-configured //pine:plugin node in this cquery
-  bazel cquery "deps(//pine:my_java)" || fail "Excepted success"
-  # This cquery should return target configured //pine:plugin but actually returns
-  # the host-configured target generated above. This is the buggy behavior.
-  bazel cquery //pine:dep+//pine:plugin \
-    > output 2>"$TEST_log" || fail "Excepted success"
-
-  # Find the lines of output for //pine:plugin and //pine:dep.
-  PLUGIN=$(grep "//pine:plugin" output)
-  DEP=$(grep "//pine:dep" output)
-  # Trim to just configurations.
-  PLUGIN_CONFIG=${PLUGIN/"//pine:plugin"}
-  DEP_CONFIG=${DEP/"//pine:dep"}
-  # Ensure they are are not equal (the buggy behavior).
-  assert_not_equals $PLUGIN_CONFIG $DEP_CONFIG
-}
-
 function test_host_config_output() {
  write_java_library_build