From 805905fbbd65dda527d184b754db9501e7ec9115 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gardais=20J=C3=A9r=C3=A9my?=
 <jeremy.gardais@univ-rennes1.fr>
Date: Tue, 28 Aug 2018 11:20:33 +0200
Subject: [PATCH] Silent download the new version of the image

Also print the new version in the temp file.
---
 docker/check.rocketchat.update | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docker/check.rocketchat.update b/docker/check.rocketchat.update
index 6d08d04..8903809 100755
--- a/docker/check.rocketchat.update
+++ b/docker/check.rocketchat.update
@@ -2,6 +2,7 @@
 # Purpose {{{
 ## Create a temp file (to monitor) if an upgrade is available for rocket.chat
 ## image on the Docker Hub.
+## Download the new version of the image.
 ## How-to use {{{
 ### 1. Needs imagetags script, in the same directory
 ### cf. https://git.ipr.univ-rennes1.fr/cellinfo/scripts/src/master/docker/imagetags
@@ -37,6 +38,7 @@ if [ ! $(docker container ls | grep -q -- "${rkt_repo_name}${rkt_image_name}") ]
 	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test ${rkt_image_name} — Current version is ${rkt_current_version}."
 else
 	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test ${rkt_image_name} — No container runs with ${rkt_image_name} image on this host."
+	rm -f -- "${rkt_new_version_file}"
 	exit 1
 fi
 # }}}
@@ -46,6 +48,8 @@ if [ "${rkt_current_version}" != "${rkt_new_version}" ]; then
 	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — An upgrade is available for ${rkt_image_name}: ${rkt_new_version}."
 	# Create a temp file to monitor
 	touch -- "${rkt_new_version_file}"
+	printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for ${rkt_image_name}: ${rkt_new_version}." >> "${rkt_new_version_file}"
+	docker pull "${rkt_repo_name}/${rkt_image_name}:${rkt_new_version}" > /dev/null
 else
 	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — The current version is up-to-date."
 	rm -f -- "${rkt_new_version_file}"