Signal that the query command does not build

This will tell the experimental UI not to produce updates on the
build status and also pass through correctly STDOUT/STDERR events.
In particular, the standard output is suitable for consumption by
other tools.

--
Change-Id: Ifffd445433a29df20f062a762fe6280229319196
Reviewed-on: https://bazel-review.googlesource.com/#/c/3123
MOS_MIGRATED_REVID=118024251

1 files changed, 2 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/runtime/commands/QueryCommand.java b/src/main/java/com/google/devtools/build/lib/runtime/commands/QueryCommand.java
index 824970a29c..234c03a490 100644
--- a/src/main/java/com/google/devtools/build/lib/runtime/commands/QueryCommand.java
+++ b/src/main/java/com/google/devtools/build/lib/runtime/commands/QueryCommand.java
@@ -20,6 +20,7 @@ import com.google.common.base.Joiner;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
 import com.google.devtools.build.lib.Constants;
+import com.google.devtools.build.lib.analysis.NoBuildEvent;
 import com.google.devtools.build.lib.collect.CompactHashSet;
 import com.google.devtools.build.lib.events.Event;
 import com.google.devtools.build.lib.packages.Target;
@@ -198,6 +199,7 @@ public final class QueryCommand implements BlazeCommand {
       }
     }
 
+    env.getEventBus().post(new NoBuildEvent());
     if (!streamResults) {
       disableAnsiCharactersFiltering(env);
       output = new PrintStream(env.getReporter().getOutErr().getOutputStream());