From f8354c1017509de151bb3194eacc634d344bd1ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Sj=C3=B6gren?=
 <konstruktoid@users.noreply.github.com>
Date: Wed, 20 Sep 2017 11:10:36 +0200
Subject: [PATCH] busybox date conversion
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

Signed-off-by: Thomas Sjögren <konstruktoid@users.noreply.github.com>
---
 tests/1_host_configuration.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/1_host_configuration.sh b/tests/1_host_configuration.sh
index 10c3116..aba71ae 100644
--- a/tests/1_host_configuration.sh
+++ b/tests/1_host_configuration.sh
@@ -20,7 +20,7 @@ note "$check_1_2"
 check_1_3="1.3  - Ensure Docker is up to date"
 docker_version=$(docker version | grep -i -A1 '^server' | grep -i 'version:' \
   | awk '{print $NF; exit}' | tr -d '[:alpha:]-,')
-docker_current_version="$(date --date="$(date +%y-%m-1) -1 month" +%y.%m.0)"
+docker_current_version="$(date +%y.%m.0 -d @$(( $(date +%s) - 2592000)))"
 do_version_check "$docker_current_version" "$docker_version"
 if [ $? -eq 11 ]; then
   info "$check_1_3"