#! /bin/bash

# (c) Thomas Lange, 2001-2016, lange@debian.org
# (c) Michael Goetze, 2010-2011, mgoetze@mgoetze.net


# on ubuntu 16.04 which didn't run this script, some things which didn't
# apply:
# /etc/dpkg/dpkg.cfg.d/fai didn't exist,
# machine-id was already setup.

# on that system and a debian stretch system, after reboot,
# some things done here don't seem to persist:
# some thin/etc/mtab is symlink somewhere else,
# and mailname is $HOSTNAME.lan

# the adjtime thing is to support changing the system clock
# from representing UTC (the default) to localtime (windows default).

# afaik, the only useful thing here for me is setting /etc/hostname

error=0; trap 'error=$(($?>$error?$?:$error))' ERR # save maximum error code

# a list of modules which are loaded at boot time
for module in $MODULESLIST; do
    ainsl -a /etc/modules "^$module$"
done

fcopy -Mv /etc/hostname || echo $HOSTNAME > $target/etc/hostname
ainsl -a /etc/mailname ${HOSTNAME}
if [ ! -e $target/etc/adjtime ]; then
    printf "0.0 0 0.0\n0\nUTC\n" > $target/etc/adjtime
fi
if [ "$UTC" = "yes" ]; then
    sed -i -e 's:^LOCAL$:UTC:' $target/etc/adjtime
else
    sed -i -e 's:^UTC$:LOCAL:' $target/etc/adjtime
fi

# enable linuxlogo
if [ -f $target/etc/inittab ]; then
    sed -i -e 's#/sbin/getty 38400#/sbin/getty -f /etc/issue.linuxlogo 38400#' ${target}/etc/inittab
elif [ -f $target/lib/systemd/system/getty@.service ]; then
    sed -i -e 's#sbin/agetty --noclear#sbin/agetty -f /etc/issue.linuxlogo --noclear#' $target/lib/systemd/system/getty@.service
fi

if [ ! -f $target/etc/machine-id -a -f $target/bin/systemd-machine-id-setup ]; then
    $ROOTCMD systemd-machine-id-setup
fi

ln -fs /proc/mounts $target/etc/mtab

rm -f $target/etc/dpkg/dpkg.cfg.d/fai $target/etc/dpkg/dpkg.cfg.d/unsafe-io

if [ $FAI_ACTION = "install" -o $FAI_ACTION = "dirinstall" ] ; then
  [ -f /etc/fai/fai.conf ] && cp /etc/fai/fai.conf $target/etc/fai/fai.conf
fi

ainsl -a /etc/fai/fai.conf "FAI_CONFIG_SRC=$FAI_CONFIG_SRC"

fcopy -Miv /etc/fai/fai.conf
fcopy -iv /etc/rc.local

exit $error