From d79e652c19b23b003a8e3480747833c5f3a1e07b Mon Sep 17 00:00:00 2001
From: Francesco Siddi <francesco.siddi@gmail.com>
Date: Thu, 1 Dec 2016 12:23:23 +0100
Subject: [PATCH] Add support for readlink on macOS

---
 rsync_ui.sh | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/rsync_ui.sh b/rsync_ui.sh
index 8b791a7..950d2bc 100755
--- a/rsync_ui.sh
+++ b/rsync_ui.sh
@@ -2,7 +2,15 @@
 
 set -e
 
-ATTRACT_DIR="$(dirname "$(readlink -f "$0")")"
+# macOS does not support readlink -f, so we use greadlink instead
+if [[ `uname` == 'Darwin' ]]; then
+    ash greadlink 2>/dev/null || { echo >&2 "Install greadlink using brew."; exit 1; }
+    readlink='grealink'
+else
+    readlink='readlink'
+fi
+
+ATTRACT_DIR="$(dirname "$($readlink -f "$0")")"
 if [ ! -d "$ATTRACT_DIR" ]; then
     echo "Unable to find Attract dir '$ATTRACT_DIR'"
     exit 1