From 87534a008ab3f7b13cc2aa3e316f60da006ea10a Mon Sep 17 00:00:00 2001
From: Justin Hileman <justin@justinhileman.info>
Date: Wed, 26 Apr 2017 20:12:30 -0700
Subject: [PATCH] Fix issues when RBENV_ROOT/version doesn't exist.

Fixes #89
---
 fish_prompt.fish | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fish_prompt.fish b/fish_prompt.fish
index c21bf03..6caf677 100644
--- a/fish_prompt.fish
+++ b/fish_prompt.fish
@@ -678,10 +678,11 @@ function __bobthefish_show_ruby -S -d 'Current Ruby (rvm/rbenv)'
     set -q RBENV_ROOT
       or set -l RBENV_ROOT $HOME/.rbenv
 
-    read -l global_ruby_version <$RBENV_ROOT/version
+    [ -e "$RBENV_ROOT/version" ]
+      and read -l global_ruby_version <"$RBENV_ROOT/version"
 
     [ "$global_ruby_version" ]
-      or set global_ruby_version system
+      or set -l global_ruby_version system
 
     [ "$ruby_version" = "$global_ruby_version" ]; and return
   else if type -q chruby