[server] hold connection to the db in tx_actions
We can be called without a cnxset (e.g. from repoapi).
#! /bin/sh -e#if [ "$1" = configure ]; then if which install-docs >/dev/null 2>&1; then install-docs -i /usr/share/doc-base/cubicweb-doc fifi#DEBHELPER#exit 0