Fix platform detection

config/zshrc

@@ -110,15 +110,17 @@ alias rc2014="minicom -D /dev/tty.usbmodem09681"
 
 export LC_CTYPE="en_US.UTF-8"
 # Homebrew / MacOS Library Path
-export LIBRARY_PATH="$LIBRARY_PATH:$(brew --prefix)/lib"
 
-uname=`uname -s`
+uname=$(uname -s)
 case $uname in
   Linux)
     export OS="linux"
   ;;
   Darwin)
     export OS="darwin"
+    export LIBRARY_PATH="$LIBRARY_PATH:$(brew --prefix)/lib"
+    # Ruby dev
+    eval "$(rbenv init - zsh)"
   ;;
   *)
     echo "Can't detect operating system from shell."
@@ -132,8 +134,6 @@ then
   source ~/.cargo/env
 fi
 
-# Ruby dev
-eval "$(rbenv init - zsh)"
 
 # Liz stuff lol
 # curl -fsSL https://icanhazdadjoke.com | lolcat