zsh: simply prompt icon logic

stow/.zshrc

@@ -5,21 +5,21 @@
 #
 
 # set icon
-if [ -e /System ]; then 
-  OSICON=""
-  eval "$(/opt/homebrew/bin/brew shellenv)"
-elif [ -f /etc/os-release ]; then
+if [ -f /etc/os-release ]; then
   . /etc/os-release &> /dev/null
+fi
 
 if [ "$ID" = "nixos" ]; then
   OSICON=""
 elif [ "$ID" = "debian" ]; then
   OSICON=""
-  elif [ "$ID" = "fedora" ]; then
-    OSICON="󰣇"
 elif [ "$ID" = "arch" ]; then
+  OSICON="󰣇"
+elif [ "$ID" = "fedora" ]; then
   OSICON=""
-  fi
+elif [ -e /System ]; then
+  OSICON=""
+  eval "$(/opt/homebrew/bin/brew shellenv)"
 else
   OSICON="$"
 fi