is_solaris()
{
    uname -a | grep SunOS >/dev/null
}
export -f is_solaris

ps1() {
    local l_ps1='';

    local ID_PRG=id
    is_solaris && ID_PRG=/usr/xpg4/bin/id

    hname=$(hostname -s)
    l_ps1="[$($ID_PRG -u -n)@$hname "
    current_directory=$(basename "$PWD")
    l_ps1="${l_ps1}${current_directory}"
    git status 2>/dev/null 1>/dev/null && \
        branch=$(git status | grep "On branch" | sed -e 's/On branch \([a-zA-Z0-9]*\)/\1/g') && \
        l_ps1="$l_ps1 (${branch})"
    l_ps1="$l_ps1]$ "
    echo $l_ps1
}
export -f ps1

export PAGER=less
export EDITOR=vim
export PS1='$(ps1) '