home/wm: drop support of xmobar

home/modules/window_manager/scripts/exchangerate.sh

@@ -26,12 +26,10 @@ curl_exchangerate () {
     sed -e "s#<\/\?\w\+>##g"
 }
 
-# bar_name=xmobar
-bar_name=polybar
-
 res=($(curl_cbr))
 if [ -z "$res" ]; then
-  echo NO DATA
+  text="NO DATA"
+  echo "%{F@error@}${text}%{F-})"
   exit 0
 fi
 
@@ -44,15 +42,6 @@ if [ ${diff:0:1} == '-' ]; then
   color='@error@'
 fi
 
-case $bar_name in
-  "xmobar")
-    echo "${res[-1]} (<fc=${color}>${arror}<hspace=3/>${diff}</fc>)"
-    ;;
-
-  "polybar")
 echo "${res[-1]} (%{F${color}}${arror}%{O3}${diff}%{F-})"
-    ;;
-esac
-
 exit 0