Also compare version in Debian's repo

github/check.fusioninventory-agent.update

@@ -3,12 +3,16 @@
 ## Create a temp file (to monitor) if an upgrade is available for FusionInventory-Agent
 ## project on Github.
 ## It's based on .deb package installation to check the current version.
+## It can also compare the current available version in a debian repository
+## if "repo" 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.fusioninventory-agent.update
+### 2-1 Create a cron job to compare the version available in a Debian repository :
+#00 20 * * * root /opt/repos/ipr.scripts/github/check.fusioninventory-agent.update repo
 ### 3. Monitor the temp file : /tmp/.github.fusioninventory-agent.upgrade
 # Or enable MAILTO in cronjob and edit the script to print a message.
 # Or send a mail.
@@ -16,8 +20,8 @@
 ## }}}
 # }}}
 
-# Expect no argument {{{
-if [ $# -gt 0 ]
+# Expect maximum 1 argument {{{
+if [ $# -gt 1 ]
 then
 	cat << HELP
 
@@ -28,6 +32,9 @@ EXAMPLE :
     - Compare the current version installed from .deb file
         check.fusioninventory-agent.update
 
+    - Compare the current version in Debian's repository
+        check.fusioninventory-agent.update repo
+
 HELP
 
 	exit 1
@@ -41,7 +48,12 @@ script_wd=$(dirname "${0}")
 
 fi_repo_url="https://github.com/fusioninventory/fusioninventory-agent"
 
-fi_current_version=$(dpkg -l fusioninventory-agent | awk '/^ii.*fusioninventory-agent/ {print $3}' | sed 's/.:\(.*\)-.*/\1/')
+if [ $# -eq 1 ] && [ "${1}" = "repo" ]  ## If repository's version should be compared
+then
+	fi_current_version=$(apt-cache policy fusioninventory-agent | awk '/Candidate:/ {print $2}' | sed 's/.:\(.*\)-.*/\1/')
+else
+	fi_current_version=$(dpkg -l fusioninventory-agent | awk '/^ii.*fusioninventory-agent/ {print $3}' | sed 's/.:\(.*\)-.*/\1/')
+fi
 
 fi_new_version=$("${script_wd}"/releasetags "${fi_repo_url}" | head -n1 | sed 's/v//g')