From 1f078898887bf96e793772a80e0dae1e96eeadc8 Mon Sep 17 00:00:00 2001
From: Marc Cornellà <marc.cornella@live.com>
Date: Sat, 25 May 2019 12:19:51 +0200
Subject: emotty: fix for undefined $TTY (FreeBSD) (#7844)

See https://github.com/robbyrussell/oh-my-zsh/pull/6731#issuecomment-449653115
---
 plugins/emotty/emotty.plugin.zsh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'plugins/emotty/emotty.plugin.zsh')

diff --git a/plugins/emotty/emotty.plugin.zsh b/plugins/emotty/emotty.plugin.zsh
index b0d24c322..e288b5cfb 100644
--- a/plugins/emotty/emotty.plugin.zsh
+++ b/plugins/emotty/emotty.plugin.zsh
@@ -25,8 +25,14 @@ emotty_default_set=emoji
 function emotty() {
   # Use emotty set defined by user, fallback to default
   local emotty=${_emotty_sets[${emotty_set:-$emotty_default_set}]}
-  # Parse $TTY number, normalizing it to an emotty set index
-  (( tty = (${TTY##/dev/tty} % ${#${=emotty}}) + 1 ))
+
+  # Parse tty number via prompt expansion. %l equals:
+  # - N      if tty = /dev/ttyN
+  # - pts/N  if tty = /dev/pts/N
+  local tty = ${${(%):-%l}##pts/}
+  # Normalize it to an emotty set index
+  (( tty = (tty % ${#${=emotty}}) + 1 ))
+
   local character_name=${${=emotty}[tty]}
   echo "${emoji[${character_name}]}${emoji2[emoji_style]}"
 }
-- 
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