From 9233d8d6c02992f405f2f7bca9f0db5fa99ace3e Mon Sep 17 00:00:00 2001
From: Ralf Vogler <ralf.vogler@gmail.com>
Date: Fri, 26 Jul 2019 13:49:44 +0200
Subject: [PATCH] macOS: try greadlink -f, then readlink -f, then readlink and
 warn about it

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

diff --git a/gitwatch.sh b/gitwatch.sh
index d400993..e0c14e3 100755
--- a/gitwatch.sh
+++ b/gitwatch.sh
@@ -185,7 +185,15 @@ trap "cleanup" EXIT # make sure the timeout is killed when exiting script
 if [ "$(uname)" != "Darwin" ]; then
     IN=$(readlink -f "$1")
 else
-    IN=$(greadlink -f "$1")
+    if is_command "greadlink"; then
+      IN=$(greadlink -f "$1")
+    else
+      IN=$(readlink -f "$1")
+      if [ $? -eq 1 ]; then
+        echo "Seems like your readlink doesn't support '-f'. Running without. Please 'brew install coreutils'."
+        IN=$(readlink "$1")
+      fi
+    fi;
 fi;