#!/bin/bash
#
function install_packages() {
    apt-get -y install -f $1
}
# LiHAS Grundinstallation Server Debian 10 Buster
ln -sf bash /bin/sh

# sources.list bauen
>/etc/apt/sources.list
echo 'deb http://deb.debian.org/debian/ buster main contrib non-free' >/etc/apt/sources.list.d/buster.list
echo '#deb http://deb.debian.org/debian buster-proposed-updates main contrib non-free' >/etc/apt/sources.list.d/buster-proposed-updates.list
echo 'deb [trusted=yes] http://ftp.lihas.de/debian/ buster main' >/etc/apt/sources.list.d/buster-lihas.list
echo '#deb http://deb.debian.org/debian sid main contrib non-free' >/etc/apt/sources.list.d/sid.list
echo 'deb http://deb.debian.org/debian/ buster-backports main contrib non-free' >/etc/apt/sources.list.d/buster-backports.list
echo 'deb http://deb.debian.org/debian-security buster/updates main contrib non-free' >/etc/apt/sources.list.d/buster-security.list
echo 'deb http://deb.debian.org/debian buster-updates main contrib non-free' >/etc/apt/sources.list.d/buster-updates.list

packages="debsums
debconf
debconf-utils
debian-goodies
dselect
apt-dater-host
lihas-keyring
bsd-mailx
lvm2
pciutils
ethtool
dialog
locales
less
vim
vo
screen
tzdata
ssh
psmisc
rsyslog
ncurses-term
bash-completion
rsync
file
logrotate
etckeeper
needrestart
lsmount
px
apt-transport-https
"

apt-get -y --allow-unauthenticated update
apt-get -y install lihas-keyring vo
echo 'deb http://ftp.lihas.de/debian/ buster main' >/etc/apt/sources.list.d/buster-lihas.list
apt-get -y install $(echo $packages |tr '\n' ' ')

# Debconf-Parameter setzten
echo dash dash/sh select        false | debconf-set-selections
echo debconf    debconf/frontend    select    Dialog | debconf-set-selections
echo debconf    debconf/priority    select    medium | debconf-set-selections
echo tzdata  tzdata/Zones/SystemV    select | debconf-set-selections
echo ca-certificates ca-certificates/trust_new_crts  select  yes | debconf-set-selections
echo man-db  man-db/install-setuid   boolean false | debconf-set-selections
echo irqbalance      irqbalance/oneshot      boolean true | debconf-set-selections
echo console-setup   console-setup/store_defaults_in_debconf_db      boolean true | debconf-set-selections

echo tzdata    tzdata/Areas    select    Europe | debconf-set-selections
echo tzdata    tzdata/Zones/Europe    select    Berlin | debconf-set-selections
echo locales locales/default_environment_locale      select  de_DE.UTF-8 | debconf-set-selections
echo d-i     keyboard-configuration/model    select  Generische PC-Tastatur mit 105 Tasten \(Intl\) | debconf-set-selections
echo keyboard-configuration  keyboard-configuration/model    select  Generische PC-Tastatur mit 105 Tasten \(Intl\) | debconf-set-selections
echo nullmailer      nullmailer/relayhost    string  mail | debconf-set-selections
echo nullmailer    nullmailer/adminaddr    string    root | debconf-set-selections

echo locales locales/locales_to_be_generated multiselect     de_DE ISO-8859-1, de_DE.UTF-8 UTF-8, de_DE@euro ISO-8859-15, en_US ISO-8859-1, en_US.ISO-8859-15 ISO-8859-15, en_US.UTF-8 UTF-8| debconf-set-selections
echo console-data    console-data/keymap/qwertz/swiss/german/keymap  select |debconf-set-selections
echo console-data    console-data/keymap/qwertz/german/standard/keymap    select    Programmer | debconf-set-selections
echo console-data    console-data/keymap/qwertz/german/variant    select    Standard | debconf-set-selections
echo console-setup    console-setup/codesetcode    string    Lat15 | debconf-set-selections
echo console-common    console-data/keymap/family    select    qwertz | debconf-set-selections
echo libpaper1    libpaper/defaultpaper    select    a4 | debconf-set-selections

echo "Europe/Berlin" > /etc/timezone

# zusaetzlich zu locales
update-locale

# allow root login using password
sed -i '/^PermitRootLogin/c \PermitRootLogin yes' /etc/ssh/sshd_config

service ssh restart

# vim config
# - place cursor where file was last edited
[ ! -f /etc/vim/vimrc.local ] && cat << EOF > /etc/vim/vimrc.local
syntax on
colors elflord
if has("autocmd")
  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
endif
EOF

grep -q /etc/bash_completion /root/.bashrc || echo . /etc/bash_completion >> /root/.bashrc

# vim zum default-Editor machen
update-alternatives --set editor /usr/bin/vim.basic

# git silencen
(
  if dpkg -l etckeeper > /dev/null ; then
    cd /etc
    git config --global user.name root
    git config --global user.email support@lihas.de
    git commit --amend --reset-author -m "things done"
  fi
)

X=`grep -n ^[^#]*allow-hotplug /etc/network/interfaces | sed 's/^/        /g'`
[ -n "$X" ] && cat << EOF

    **********************************************************
    please remove "allow-hotplug" from /etc/network/interfaces
$X
    use "auto" instead
    **********************************************************

EOF

cat << EOF >/root/.screenrc
hardstatus alwayslastline "%w"
defscrollback 10000
EOF

mkdir -p /root/.ssh
wget https://install.lihas.de/authorized_keys -O - >> /root/.ssh/authorized_keys


#debconf
dpkg-reconfigure -f noninteractive ca-certificates
dpkg-reconfigure -f noninteractive man-db
dpkg-reconfigure -f noninteractive console-setup
dpkg-reconfigure -f noninteractive keyboard-configuration
dpkg-reconfigure -f noninteractive nullmailer
dpkg-reconfigure -f noninteractive debconf
dpkg-reconfigure -f noninteractive tzdata
dpkg-reconfigure -f noninteractive locales

apt-get -y purge nano
apt-get -y dist-upgrade
apt-get -y clean
apt-get -y autoremove