#!/bin/sh

set -e

if [ "$1" != "configure" ]; then
    exit 0
fi

if [ -n "$2" ]; then
    if dpkg --compare-versions "${2%%-*}" le "1.21.0"; then
      cat <<BANNER
----------------------------------------------------------------------

WARNING:

Since version 1.22.0, Unit's non-privileged processes run as unit:unit by
default.  Review your system permissions and Unit configuration so apps and
routes that relied on these processes running as nobody:nogroup stay working.

More info: https://unit.nginx.org/installation/#official-packages

----------------------------------------------------------------------
BANNER
    fi
fi

if ! getent group unit >/dev/null; then
    groupadd --system unit >/dev/null
fi

if ! getent passwd unit >/dev/null; then
    useradd \
      --system \
      --gid unit \
      --no-create-home \
      --home /nonexistent \
      --comment "unit user" \
      --shell /bin/false \
      unit >/dev/null
fi

#DEBHELPER#

exit 0