Block when another command is running on the server and not on the client when in gRPC mode.

--
MOS_MIGRATED_REVID=120233121

1 files changed, 8 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/runtime/CommonCommandOptions.java b/src/main/java/com/google/devtools/build/lib/runtime/CommonCommandOptions.java
index c23cbf2d72..68df6a7258 100644
--- a/src/main/java/com/google/devtools/build/lib/runtime/CommonCommandOptions.java
+++ b/src/main/java/com/google/devtools/build/lib/runtime/CommonCommandOptions.java
@@ -247,4 +247,12 @@ public class CommonCommandOptions extends OptionsBase {
       category = "hidden",
       help = "Enable processing of +<file> parameters.")
   public boolean allowProjectFiles;
+
+  @Option(name = "block_for_lock",
+      defaultValue = "true",
+      category = "hidden",
+      help = "If set (the default), a command will block if there is another one running. If "
+          + "unset, these commands will immediately return with an error.")
+  public boolean blockForLock;
+
 }