diff --git a/github/check.self-service-password.update b/github/check.self-service-password.update
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+#!/bin/sh
+# Purpose {{{
+## Create a temp file (to monitor) if an upgrade is available for Self Service Password (SSP)
+## project on Github.
+## It's based on .deb package installation to check the current version.
+## It can also be based on installation from source if the self-service-password's
+## root is given as first argument.
+## How-to use {{{
+### 1. Needs releasetags script, in the same directory
+### cf. https://git.ipr.univ-rennes1.fr/cellinfo/scripts/src/master/github/releasetags
+# wget https://git.ipr.univ-rennes1.fr/cellinfo/scripts/raw/master/github/releasetags
+### 2. Create a cron job, eg :
+#00 20 * * * root /opt/repos/ipr.scripts/github/check.self-service-password.update
+### 2-1. Create a cron job with Self Service Password (SSP) directory as first argument, eg :
+#00 20 * * * root /opt/repos/ipr.scripts/github/check.self-service-password.update /var/www/self-service-password
+### 3. Monitor the temp file : /tmp/.github.self-service-password.upgrade
+# Or enable MAILTO in cronjob and edit the script to print a message.
+# Or send a mail.
+# …
+## }}}
+# }}}
+
+# Expect maximum 1 argument {{{
+if [ $# -gt 1 ]
+then
+	cat << HELP
+
+check.self-service-password.update  --
+Compare current version of an installed Self Service Password (SSP) and the last available.
+
+EXAMPLE :
+    - Compare the current version installed from .deb file
+        check.self-service-password.update
+
+    - Compare the current version installed from sources in /var/www/self-service-password
+        check.self-service-password.update /var/www/self-service-password
+
+HELP
+
+	exit 1
+fi
+# }}}
+
+# Vars {{{
+DEBUG=0
+
+script_wd=$(dirname "${0}")
+
+ssp_install_dir="${1}"
+ssp_current_version=$(cd "${ssp_install_dir}" || exit 1 ; git status | head -n1 | cut -d" " -f4 | sed 's/v//g' ; cd - > /dev/null || exit 1)
+
+ssp_repo_url="https://github.com/ltb-project/self-service-password"
+ssp_new_version=$("${script_wd}"/releasetags "${ssp_repo_url}" | head -n1 | sed 's/v//g')
+
+ssp_new_version_file="/tmp/.github.self-service-password.upgrade"
+# }}}
+
+# Check if the current version is the last one {{{
+if [ "${ssp_current_version}" != "${ssp_new_version}" ]; then
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — Current version (${ssp_current_version}) and new one (${ssp_new_version}) seems to be different."
+
+	## Create a temp file to monitor
+	touch -- "${ssp_new_version_file}"
+	printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for Self Service Password (SSP) : ${ssp_new_version}." >> "${ssp_new_version_file}"
+
+else
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — The current version is up-to-date."
+	rm -f -- "${ssp_new_version_file}"
+fi
+# }}}
+
+exit 0