Update install.sh

install.sh

@@ -1,11 +1,11 @@
 #!/bin/bash
 
-OS_TYPE = $(uname -s)
-isLinux = "$OS_TYPE" == "Linux"
-isMacOs = "$OS_TYPE" == "Darwin"
-if [ $isLinux ]; then
+OS_TYPE = "$(uname -s)"
+isLinux = ${OS_TYPE} == "Linux"
+isMacOs = ${OS_TYPE} == "Darwin"
+if [ ${isLinux} ]; then
     echo "Running on Linux"
-elif [ $isMacOs ]; then
+elif [ ${isMacOs} ]; then
     echo "Running on MacOS"
 else
     echo "Unsupported OS family: $OS_TYPE"