sourcezap/bin/setup-sourcezap

#!/bin/sh
set -e

##
# variables
localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/..)}
libexec="${localbase}"/libexec/sourcezap
conf=$(cat "${localbase}"/share/sourcezap/doas.conf)
doas="${localbase}"/etc/doas.conf

##
# functions
. "${libexec}"/functions/print.sh

##
# main
if [ "$(id -u)" != "0" ]; then
    printerr "you must be root"
    exit 1
fi

if id -u _sourcezap > /dev/null 2>&1; then
    printok "_sourcezap user exists"
else
    pw useradd -n _sourcezap \
        -c "sourcezap user" \
        -m \
        -s /sbin/nologin
    chmod u=rwX,g=rX,o= /home/_sourcezap/
    printok "create _sourcezap user"
fi

if grep -F "^${conf}$" "${doas}" > /dev/null 2>&1; then
    printok "${doas} is up to date"
else
    echo "$conf" >> "$doas"
    printok "update ${doas} (note: review the update)"
fi