From 88243b846adc61c3e34a60f4c0ae53e3eb8b9e93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Cornell=C3=A0?= <marc.cornella@live.com>
Date: Sun, 16 Aug 2015 22:26:33 +0200
Subject: [PATCH 1/3] Use right variable name to avoid zero-length array

This fixes the typographic error that always assigned an undefined
array to `$names`, which made `$list_size` = 0 and triggered a
divide by zero error on the next line.
---
 plugins/emoji/emoji.plugin.zsh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/emoji/emoji.plugin.zsh b/plugins/emoji/emoji.plugin.zsh
index a98d0b714..adb11bb53 100644
--- a/plugins/emoji/emoji.plugin.zsh
+++ b/plugins/emoji/emoji.plugin.zsh
@@ -255,7 +255,7 @@ function random_emoji() {
   if [[ -z "$group" || "$group" == "all" ]]; then
   	names=(${(k)emoji})
   else
-  	names=(${=emoji_groups[$group_name]})
+	names=(${=emoji_groups[$group]})
   fi
   local list_size=$#names
   local random_index=$(( ( RANDOM % $list_size ) + 1 ))

From c6a5f6efb434fa64f31b40f366e7fecae80758e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Cornell=C3=A0?= <marc.cornella@live.com>
Date: Sun, 16 Aug 2015 22:30:56 +0200
Subject: [PATCH 2/3] Check that list_size value is not zero before division

---
 plugins/emoji/emoji.plugin.zsh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins/emoji/emoji.plugin.zsh b/plugins/emoji/emoji.plugin.zsh
index adb11bb53..f2d169bf3 100644
--- a/plugins/emoji/emoji.plugin.zsh
+++ b/plugins/emoji/emoji.plugin.zsh
@@ -257,7 +257,8 @@ function random_emoji() {
   else
 	names=(${=emoji_groups[$group]})
   fi
-  local list_size=$#names
+  local list_size=${#names}
+  [[ $list_size -eq 0 ]] && return 1
   local random_index=$(( ( RANDOM % $list_size ) + 1 ))
   local name=${names[$random_index]}
   echo ${emoji[$name]}

From be667a24b0dc6a42a3e5368727366449b09633d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Cornell=C3=A0?= <marc.cornella@live.com>
Date: Mon, 17 Aug 2015 01:05:37 +0200
Subject: [PATCH 3/3] Remove obsolete comment

---
 plugins/emoji/emoji.plugin.zsh | 2 --
 1 file changed, 2 deletions(-)

diff --git a/plugins/emoji/emoji.plugin.zsh b/plugins/emoji/emoji.plugin.zsh
index f2d169bf3..7876f1c89 100644
--- a/plugins/emoji/emoji.plugin.zsh
+++ b/plugins/emoji/emoji.plugin.zsh
@@ -76,8 +76,6 @@ emoji_skintone[6]=$'\U1F3FF'
 # These are stored in a single associative array, $emoji_groups, to avoid cluttering up the global
 # namespace, and to allow adding additional group definitions at run time.
 # The keys are the group names, and the values are whitespace-separated lists of emoji character names.
-#
-# These extra local arrays are used to allow more convenient formatting of the source code.
 
 emoji_groups[fruits]="
   tomato