bazel_worker_test: Use pgrep instead of string magic to find workers.

--
MOS_MIGRATED_REVID=110143616

1 files changed, 1 insertions, 3 deletions

diff --git a/src/test/shell/bazel/bazel_worker_test.sh b/src/test/shell/bazel/bazel_worker_test.sh
index a8003927ef..360c0de3c4 100755
--- a/src/test/shell/bazel/bazel_worker_test.sh
+++ b/src/test/shell/bazel/bazel_worker_test.sh
@@ -65,9 +65,7 @@ EOF
 
 function print_workers() {
   pid=$(bazel info | fgrep server_pid | cut -d' ' -f2)
-  # DANGER. This contains arcane shell wizardry that was carefully crafted to be compatible with
-  # both BSD and GNU tools so that this works under Linux and OS X.
-  ps ax -o ppid,pid | awk '{$1=$1};1' | egrep "^${pid} " | cut -d' ' -f2
+  pgrep -P $pid || true
 }
 
 function shutdown_and_print_unkilled_workers() {