From f23cbd9f73379f5485a4a9460650d7d2ea85753d Mon Sep 17 00:00:00 2001
From: codefalling <me@codefalling.com>
Date: Fri, 11 Dec 2015 11:03:55 +0800
Subject: [PATCH] fix empty history in gnome terminal

---
 plugins/percol/percol.plugin.zsh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/percol/percol.plugin.zsh b/plugins/percol/percol.plugin.zsh
index 91010bde9..c6adf4e1e 100644
--- a/plugins/percol/percol.plugin.zsh
+++ b/plugins/percol/percol.plugin.zsh
@@ -1,7 +1,7 @@
 if which percol &> /dev/null; then
     function percol_select_history() {
         local tac
-        tac="tail -r"
+        which gtac &> /dev/null && tac="gtac" || { which tac &> /dev/null && tac="tac" || { tac="tail -r" } }
         BUFFER=$(fc -l -n 1 | eval $tac | percol --query "$LBUFFER")
         CURSOR=$#BUFFER
         zle -R -c