From 4497e4e3b119e188c7567a38ee8e401f2834a7c6 Mon Sep 17 00:00:00 2001
From: nirenjan <nirenjan@gmail.com>
Date: Wed, 9 Sep 2020 07:50:13 -0700
Subject: [PATCH] Use command -v to check for presence of a command

With a fresh install of zsh on OSX Catalina, the which command returns
text in stdout even if there is no corresponding command. Replacing it
with `command -v` ensures that the test does not give a false positive.
---
 zsh/lscolors.zsh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/zsh/lscolors.zsh b/zsh/lscolors.zsh
index c2ee65f..1e8f22a 100644
--- a/zsh/lscolors.zsh
+++ b/zsh/lscolors.zsh
@@ -44,10 +44,10 @@ DCFILE="$HOME/.dircolors"
 # a system which has the GNU coreutils installed
 if [[ -f $DCFILE ]] && [[ -s $DCFILE ]]
 then
-    if [[ ! -z `which dircolors` ]]
+    if command -v dircolors >/dev/null
     then
         eval `dircolors $DCFILE`
-    elif [[ ! -z `which gdircolors` ]]
+    elif command -v gdircolors >/dev/null
     then
         # OS X with coreutils installed from MacPorts will have
         # dircolors installed by default as gdircolors.