Improve main menu

setup.sh

@@ -41,7 +41,7 @@ function initial_setup() {
             git checkout master
             git push -u origin master
             git checkout develop
-        # fi
+        fi
         echo "Done!"
         echo "Press [enter] to select plugins."
         read x
@@ -251,8 +251,9 @@ function manage_plugins() {
 function show_main_menu() {
     selection=0
     exit=false
+    quit=false
 
-    while [ $exit = false ]
+    while [ "$exit" == false ]
     do
         clear
 
@@ -281,27 +282,33 @@ function show_main_menu() {
         echo ""
         echo "[Arrow Up/Down] Change Selection"
         echo "[Enter]         Select"
+        echo "[Esc]           Quit"
 
         IFS=''
         escape_char=$(printf "\u1b")
+        escape=false
         read -rsn1 mode # get 1 character
         if [[ $mode == $escape_char ]]; then
-            read -rsn2 mode # read 2 more chars
+            escape=true
+            read -rsn2 -t 0.1 mode # read 2 more chars
         fi
         case $mode in
-            "") exit=true ;;
+            "") if [ "$escape" = true ]; then quit=true; fi; exit=true ;;
             "[A") if [ "$selection" -gt "0" ]; then let selection-=1; fi ;;
-            "[B") if [ "$selection" -lt "3" ]; then let selection+=1; fi ;;
+            "[B") if [ "$selection" -lt "2" ]; then let selection+=1; fi ;;
             *) >&2 ;;
         esac
     done
 
+    if [ "$escape" == false ]
+    then
         case $selection in
             0) initial_setup; show_main_menu ;;
             1) manage_plugins; show_main_menu ;;
             2) ;;
             *) >&2;;
         esac
+    fi
 }
 
 show_main_menu
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