From e4266005d1d81da3821cc4d77f05f1a566be955f Mon Sep 17 00:00:00 2001
From: Weston Ruter <westonruter@google.com>
Date: Wed, 16 Jan 2019 20:29:25 -0800
Subject: [PATCH] Fix detection of whether directories exist

---
 scripts/check-diff.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/check-diff.sh b/scripts/check-diff.sh
index 6d4c2f9..740c55e 100755
--- a/scripts/check-diff.sh
+++ b/scripts/check-diff.sh
@@ -425,12 +425,12 @@ function install_tools {
 	fi
 
 	# Install Node packages.
-	if [ -e package.json ] && [ $( ls node_modules | wc -l ) == 0 ]; then
+	if [ -e package.json ] && [ ! -e node_modules ]; then
 		npm install --loglevel error > /dev/null
 	fi
 
 	# Install Composer
-	if [ -e composer.json ] && check_should_execute 'composer' && [ $( ls vendor | wc -l ) == 0 ]; then
+	if [ -e composer.json ] && check_should_execute 'composer' && [ ! -e vendor ]; then
 		if ! command -v composer >/dev/null 2>&1; then
 			(
 				cd "$TEMP_TOOL_PATH"