From a79b604321d84b8b9e2d4ae4a7839cf68a70f02c Mon Sep 17 00:00:00 2001
From: Grant Guthrie <grant.guthrie@callrail.com>
Date: Wed, 25 Sep 2019 14:42:51 -0400
Subject: [PATCH] Verify terminfo before bindkey

---
 modules/history-substring-search/init.zsh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/modules/history-substring-search/init.zsh b/modules/history-substring-search/init.zsh
index 2d8ea43..97a519a 100644
--- a/modules/history-substring-search/init.zsh
+++ b/modules/history-substring-search/init.zsh
@@ -11,5 +11,9 @@ bindkey '^[[B' history-substring-search-down
 
 # Bind up and down keys
 zmodload -F zsh/terminfo +p:terminfo
-bindkey "${terminfo[kcuu1]}" history-substring-search-up
-bindkey "${terminfo[kcud1]}" history-substring-search-down
+if [[ "${terminfo[kcuu1]}" != "" ]]; then
+  bindkey "${terminfo[kcuu1]}" history-substring-search-up
+fi
+if [[ "${terminfo[kcud1]}" != "" ]]; then
+  bindkey "${terminfo[kcud1]}" history-substring-search-down
+fi