From b6c81868463bc58e1ac4287b587507c5861afa03 Mon Sep 17 00:00:00 2001
From: James Munns <james.munns@ferrous-systems.com>
Date: Tue, 27 Aug 2019 16:06:51 +0200
Subject: [PATCH] Don't use version sort (bsd sort doesn't seem to have it)

---
 ci/install-mdbook.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci/install-mdbook.sh b/ci/install-mdbook.sh
index 01c87f88..3417c9c8 100755
--- a/ci/install-mdbook.sh
+++ b/ci/install-mdbook.sh
@@ -9,7 +9,7 @@ main() {
                     https://github.com/rust-lang-nursery/mdbook \
                         | cut -d/ -f3 \
                         | grep -E '^v0\.3\.[0-9]+$' \
-                        | sort --version-sort \
+                        | sort \
                         | tail -n1)
 
     curl -LSfs https://japaric.github.io/trust/install.sh | \