From b5176293033522f1af0f3f65ca783bbcf39b3c25 Mon Sep 17 00:00:00 2001
From: Eric Baer <me@ericbaer.com>
Date: Fri, 25 Jan 2013 12:51:28 -0700
Subject: [PATCH] Don't return rbenv or rvm if the don't exist

---
 themes/base.theme.bash | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/themes/base.theme.bash b/themes/base.theme.bash
index 54ab2f54..a5f720f2 100644
--- a/themes/base.theme.bash
+++ b/themes/base.theme.bash
@@ -139,7 +139,9 @@ function hg_prompt_vars {
 function rvm_version_prompt {
   if which rvm &> /dev/null; then
     rvm=$(rvm tools identifier) || return
-    echo -e "$RVM_THEME_PROMPT_PREFIX$rvm$RVM_THEME_PROMPT_SUFFIX"
+    if [ $rvm != "system" ]; then
+      echo -e "$RVM_THEME_PROMPT_PREFIX$rvm$RVM_THEME_PROMPT_SUFFIX"
+    fi
   fi
 }
 
@@ -147,7 +149,9 @@ function rbenv_version_prompt {
   if which rbenv &> /dev/null; then
     rbenv=$(rbenv version-name) || return
     $(rbenv commands | grep -q gemset) && gemset=$(rbenv gemset active 2> /dev/null) && rbenv="$rbenv@${gemset%% *}"
-    echo -e "$RBENV_THEME_PROMPT_PREFIX$rbenv$RBENV_THEME_PROMPT_SUFFIX"
+    if [ $rbenv != "system" ]; then
+      echo -e "$RBENV_THEME_PROMPT_PREFIX$rbenv$RBENV_THEME_PROMPT_SUFFIX"
+    fi
   fi
 }
 
@@ -207,4 +211,3 @@ function scm_char {
 function prompt_char {
     scm_char
 }
-