From 47f9bfd3463e10852c377ae5476367c28dafd351 Mon Sep 17 00:00:00 2001
From: xPMo <PMo_@vivaldi.net>
Date: Tue, 5 Feb 2019 09:36:59 -0600
Subject: [PATCH] Skip grep fork, use native zsh matching (#459)

Also fixes $TTY match bug.
---
 pure.zsh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pure.zsh b/pure.zsh
index 7fc1043e..7435b5cc 100644
--- a/pure.zsh
+++ b/pure.zsh
@@ -517,7 +517,9 @@ prompt_pure_state_setup() {
 		who_out=$(who -m 2>/dev/null)
 		if (( $? )); then
 			# Who am I not supported, fallback to plain who.
-			who_out=$(who 2>/dev/null | grep ${TTY#/dev/})
+			local -a who_in
+			who_in=( ${(f)"$(who 2>/dev/null)"} )
+			who_out="${(M)who_in:#*[[:space:]]${TTY#/dev/}[[:space:]]*}"
 		fi
 
 		local reIPv6='(([0-9a-fA-F]+:)|:){2,}[0-9a-fA-F]+'  # Simplified, only checks partial pattern.