Chroot: Call a latecommand script to finish install

Set a correct rsyslog, logrotate,… configuration. I call the same script
at the end of all PXE install or for LXC templates.

debian/chroot.install

@@ -261,6 +261,12 @@ printf '%b\n' "127.0.0.1       ${new_hostname}" >> /target/etc/hosts
 ## }}}
 # }}}
 # Finish {{{
+## Call a latecommand script {{{
+wget -O /tmp/latecommand.tar.gz "https://git.ipr.univ-rennes1.fr/cellinfo/tftpboot/raw/master/scripts/latecommand.tar.gz" --no-check-certificate
+tar xzf /tmp/latecommand.tar.gz -C /target/tmp/
+chroot /target /bin/sh /target/tmp/latecommand/post.stretch.sh
+
+## }}}
 ## SSH {{{
 ### Allow root connections - this should be fixed if it works
 sed -i 's/\(^\|^\#\)\(PermitRootLogin\).*/\2 yes/g' /target/etc/ssh/sshd_config