function hg_pull_and_see() {
    if ! $HG_ROOT_CMD > /dev/null; then
        print "Not a Mercurial repository!"
        return -1
    fi

    local i=$(hg id -i)
    hg pull -u
    local j=$(hg id -i)

    if [[ $i != $j ]];then
        hg log --quiet -r${i}:tip --style=changelog
    fi
}