From cbfdae88fcde764b0a60190d12881c9945fe2437 Mon Sep 17 00:00:00 2001
From: Brandon Kreisel <kreiselb@gmail.com>
Date: Sun, 27 Sep 2015 14:44:00 -0400
Subject: [PATCH] Add Mac compatibility to boulder-start

The version of sort that ships with OS X does not support the -V
version flag. Emulate that functionality with some sed-fu
---
 tests/boulder-start.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/boulder-start.sh b/tests/boulder-start.sh
index 7ce7dcba4..e8c50633f 100755
--- a/tests/boulder-start.sh
+++ b/tests/boulder-start.sh
@@ -4,11 +4,16 @@
 
 # ugh, go version output is like:
 # go version go1.4.2 linux/amd64
-GOVER=`go version | cut -d" " -f3 | cut -do -f2`  
+GOVER=`go version | cut -d" " -f3 | cut -do -f2`
 
 # version comparison
 function verlte {
+  if [ `uname` == 'Darwin' ]; then
+    [ "$1" = "`echo -e \"$1\n$2\" |  sed 's/\b\([0-9]\)\b/0\1/g' \
+      | sort | sed 's/\b0\([0-9]\)/\1/g' | head -n1`" ]
+  else
     [  "$1" = "`echo -e "$1\n$2" | sort -V | head -n1`" ]
+  fi
 }
 
 if ! verlte 1.5 "$GOVER" ; then