From b228faae74d4afb58836de912a1a3251be6f803b Mon Sep 17 00:00:00 2001
From: "Ryan P.C. McQuen" <ryan.q@linux.com>
Date: Sat, 21 Mar 2015 14:52:16 -0700
Subject: [PATCH] only fill mac path on macs; simplify parameter check

Signed-off-by: Ryan P.C. McQuen <ryan.q@linux.com>
---
 imgult | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/imgult b/imgult
index 39098ac..a5e040d 100755
--- a/imgult
+++ b/imgult
@@ -51,7 +51,9 @@ RUN_OVERLOAD_PROTECTION_ENCABULATOR() {
 }
 
 if [ -z "$JPEGTRAN" ]; then
-  MACOSJPEGTRAN=`find /usr/local/Cellar/mozjpeg -name jpegtran | tail -1 | cut -d/ -f1-7`
+  if [ `uname` = "Darwin" ]; then
+    MACOSJPEGTRAN=`find /usr/local/Cellar/mozjpeg -name jpegtran | tail -1 | cut -d/ -f1-7`
+  fi
   export PATH=$MACOSJPEGTRAN:/opt/libmozjpeg/bin:/opt/mozjpeg/bin:$PATH
   JPEGTRAN="$(which jpegtran)"
 fi
@@ -83,7 +85,7 @@ du -hs "$@" > preImgultSize
 ## i was originally checking if "$@" was empty,
 ## but it turns out that is a nightmare if regex
 ## paths are fed to imgult
-if [ "$#" -lt 1 ]; then
+if [ $# -eq 0 ]; then
   set -- .
 fi