#!/bin/sh

set -e

_systemctl() {
    if [ -d /run/systemd/system ]; then
        systemctl "$@"
    fi
}

_update_catalog() {
    journalctl --update-catalog || true
}

# Update Message Catalogs database in response to dpkg trigger
if [ "$1" = "triggered" ]; then
    _update_catalog
    exit 0
fi

# Enable getty and remote-fs.target by default on new installs
if [ -z "$2" ]; then
    systemctl enable getty@tty1.service || true
    systemctl enable remote-fs.target || true
fi

# Enable systemd-pstore by default on new installs and upgrades, see #952767
if dpkg --compare-versions "$2" lt "245.4-4~"; then
    systemctl enable systemd-pstore.service || true
fi

# Create /etc/machine-id
systemd-machine-id-setup

# Setup system users and groups
addgroup --quiet --system systemd-journal

adduser --quiet --system --group --no-create-home --home /run/systemd \
    --gecos "systemd Network Management" systemd-network
adduser --quiet --system --group --no-create-home --home /run/systemd \
    --gecos "systemd Resolver" systemd-resolve

# Enable persistent journal, in auto-mode, by default on new installs and upgrades
if dpkg --compare-versions "$2" lt "244.1-2~"; then
    mkdir -p /var/log/journal
    # Applying ACLs requires a mounted /proc and systemd-tmpfiles will fail if
    # /proc is not available. Skip systemd-tmpfiles in this case. This should
    # be fine, as this typically means we are inside a chroot and systemd is
    # not currently active. The permissions will be applied on the next boot.
    # https://github.com/systemd/systemd/issues/14745
    if mountpoint -q /proc; then
        systemd-tmpfiles --create --prefix /var/log/journal
    fi
fi

# Initial update of the Message Catalogs database
_update_catalog

if [ -n "$2" ]; then
    _systemctl daemon-reexec || true
    # don't restart logind; this can be done again once this gets implemented:
    # https://github.com/systemd/systemd/issues/1163
    if dpkg --compare-versions "$2" lt-nl "246.2-2~"; then
        # the socket configuration changed
        _systemctl stop systemd-networkd.socket || true
    fi
    _systemctl try-restart systemd-networkd.service || true
    _systemctl try-restart systemd-resolved.service || true
    _systemctl try-restart systemd-journald.service || true
fi

if dpkg --compare-versions "$2" lt-nl "245.4-4~"; then
    # systemd-pstore.service is now enabled via sysinit.target
    rm -f /etc/systemd/system/systemd-remount-fs.service.wants/systemd-pstore.service
    rmdir --ignore-fail-on-non-empty /etc/systemd/system/systemd-remount-fs.service.wants 2> /dev/null || true
fi

if dpkg --compare-versions "$2" lt-nl "245.4-5~"; then
    # Clean up removed ondemand service
    rm -f /etc/systemd/system/multi-user.target.wants/ondemand.service
fi

# Automatically added by dh_installtmpfiles/13.6
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# In case this system is running systemd, we need to ensure that all
	# necessary tmpfiles (if any) are created before starting.
	if [ -z "${DPKG_ROOT:-}" ] && [ -d /run/systemd/system ] ; then
		systemd-tmpfiles --create debian.conf home.conf journal-nocow.conf legacy.conf systemd-nologin.conf systemd-pstore.conf systemd-resolve.conf systemd-tmp.conf systemd.conf tmp.conf var.conf x11.conf >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installdeb/13.6
dpkg-maintscript-helper rm_conffile /etc/dhcp/dhclient-exit-hooks.d/timesyncd 245.4-2\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/systemd/timesyncd.conf 245.4-2\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/pam.d/systemd-user 247\~rc2-3\~ -- "$@"
# End automatically added section