Update install.sh

Author: kaxada

install.sh

@@ -5,7 +5,7 @@ set -euxo pipefail #exit in case of errors
 while true; do
     echo -e '\e[91mPLEASE INPUT SUDO PASSWORD WHEN PROMPTED OTHERWISE TERMINAL WILL CLOSE SCRIPT\e[39m'
 
-    if [ "$(uname)" == "Linux" ]; then
+    if [[ "$(uname)" == "Linux" ]]; then
         echo -e "\xE2\x9D\x8C please input your password to proceed so that the setup runs successfully"
         echo
 
@@ -20,7 +20,7 @@ while true; do
         break
 
     elif
-        [ "$(uname)" == "Darwin" ]; then
+        [[ "$(uname)" == "Darwin" ]]; then
         if brew update && brew upgrade && brew install git && brew install gh && brew install curl && brew install node && brew install npm; then
             echo
             break
@@ -30,7 +30,7 @@ while true; do
         echo
         break
 
-    elif [ "$(uname)" == "CYGWIN" || "$(uname)" ==* ]; then
+    elif [[ "$(uname)" == "CYGWIN" || "$(uname)" ==* ]]; then
         echo "CYGWIN is not yet supported"
     else
         exit