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#!/bin/sh
#
# ex:ts=4

ask() {
    local question default answer

    question=$1
    default=$2
    if [ -z "${PACKAGE_BUILDING}" -a -z "${BATCH}" ]; then
        read -p "${question} [${default}]? " answer
    fi
    echo ${answer:-${default}}
}

yesno() {
    local question default answer

    question=$1
    default=$2
    while :; do
        answer=$(ask "${question}" "${default}")
        case "${answer}" in
        [Yy]*)  return 0;;
        [Nn]*)  return 1;;
        esac
        echo "Please answer yes or no."
    done
}

make_account() {
    local u g gcos

    u=$1
    g=$2
    gcos=$3

    if pw group show "${g}" >/dev/null 2>&1; then
        echo "You already have a group \"${g}\", so I will use it."
    else
        echo "You need a group \"${g}\"."
        if which -s pw && yesno "Would you like me to create it" y
        then
            pw groupadd ${g} || exit
            echo "Done."
        else
            echo "Please create it, and try again."
            exit 1
        fi
    fi
    
    if pw user show "${u}" >/dev/null 2>&1; then
        echo "You already have a user \"${u}\", so I will use it."
    else
        echo "You need a user \"${u}\"."
        if which -s pw && yesno "Would you like me to create it" y
        then
            pw useradd ${u} -g ${g} -c "${gcos}" -d /nonexistent -s /sbin/nologin -h - || exit
            echo "Done."
        else
            echo "Please create it, and try again."
            exit 1
        fi
    fi
}

case $2 in

PRE-INSTALL)
    make_account wired wired "Wired server"
    ;;

POST-INSTALL)
    openssl req -batch -new -x509 -nodes -out ${PKG_PREFIX}/wired/etc/certificate.pem.sample -keyout ${PKG_PREFIX}/wired/etc/certificate.pem.sample;

    # We have to do this here instead of @exec in pkg-plist, because @exec clause
    # is executed before POST-INSTALL, which creates the certificate.pem.sample.
    if [ ! -f ${PKG_PREFIX}/wired/etc/certificate.pem ]; then
        cp -p ${PKG_PREFIX}/wired/etc/certificate.pem.sample ${PKG_PREFIX}/wired/etc/certificate.pem;
    fi
    ;;

esac