From 1ebc98b9ede5ad5084b3e504e4fc8c01cb93be71 Mon Sep 17 00:00:00 2001
From: Joe Block <jpb@unixorn.net>
Date: Sun, 30 Nov 2014 17:37:47 -0800
Subject: [PATCH] Don't clobber HISTSIZE or SAVEHIST if they're already set

---
 lib/history.zsh | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/history.zsh b/lib/history.zsh
index 1d83e56e3..12dbcf4ee 100644
--- a/lib/history.zsh
+++ b/lib/history.zsh
@@ -1,9 +1,13 @@
 ## Command history configuration
-if [ -z $HISTFILE ]; then
+if [ -z "$HISTFILE" ]; then
     HISTFILE=$HOME/.zsh_history
 fi
-HISTSIZE=10000
-SAVEHIST=10000
+if [ -z "$HISTSIZE" ]; then
+	HISTSIZE=10000
+fi
+if [ -z "$SAVEHIST" ]; then
+	SAVEHIST=10000
+fi
 
 setopt extended_history
 setopt hist_expire_dups_first