From ec9dfe7748f603e1bf8fa6e3e5e8473ba14a39c4 Mon Sep 17 00:00:00 2001
From: Robert Nishihara <robertnishihara@gmail.com>
Date: Thu, 1 Mar 2018 02:17:15 -0800
Subject: [PATCH] Allow setting INCLUDE_UI=0 to disable building the UI.
 (#1618)

---
 src/thirdparty/build_ui.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/thirdparty/build_ui.sh b/src/thirdparty/build_ui.sh
index 85e89106e..cb906e87f 100755
--- a/src/thirdparty/build_ui.sh
+++ b/src/thirdparty/build_ui.sh
@@ -16,6 +16,11 @@ CATAPULT_FILES=$TP_DIR/../../python/ray/core/src/catapult_files
 # This is where we will copy the files that need to be packaged with the wheels.
 mkdir -p $CATAPULT_FILES
 
+if [[ "$INCLUDE_UI" == "0" ]]; then
+  # Let installation continue without building the UI.
+  exit 0
+fi
+
 if ! type python2 > /dev/null; then
   echo "cannot properly set up UI without a python2 executable"
   if [[ "$INCLUDE_UI" == "1" ]]; then