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#!/bin/sh

USER=agk
UID=172
GROUP=${USER}
GID=${UID}

ask() {
    local question default answer

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

yesno() {
    local dflt question answer

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

make_account() {
    local u g uid gid gcos

    u=$1
    uid=$2
    g=$3
    gid=$4
    gcos=$5

    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 -n ${g} -g ${gid} || exit
        echo "Done."
    else
        echo "Please create it, and try again."
        if ! grep -q "^${u}:" /etc/passwd; then
        echo "While you're at it, please create a user \"${u}\" too,"
        echo "with a default group of \"${g}\"."
        fi
        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 -n ${u} -u ${uid} -g ${g} -h - -d /nonexistent \
        -s /nonexistent -c "${gcos}" || exit
        echo "Done."
    else
        echo "Please create it, and try again."
        exit 1
    fi
    fi
}

[ "$2" = POST-INSTALL ] || exit 0

make_account ${USER} ${UID} ${GROUP} ${GID} "AquaGateKeeper"