#!/bin/bash

#
# BSD 3-Clause License
# 
# Copyright (c) 2018, Alban Vidal <alban.vidal@zordhak.fr>
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
# 
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
# 
# * Neither the name of the copyright holder nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

################################################################################

# Install the packages
apt-get -y install -y git tig bash-completion unattended-upgrades apt-listchanges logrotate

# Configure auto updates
sed -i \
    -e 's#^//Unattended-Upgrade::Mail .*#Unattended-Upgrade::Mail "unattended@zordhak.fr";#' \
    -e 's#^//Unattended-Upgrade::MailOnlyOnError .*#Unattended-Upgrade::MailOnlyOnError "true";#' \
     /etc/apt/apt.conf.d/50unattended-upgrades

# Git global username and email
read -p "Git username: " GIT_USERNAME
read -p "Git email: " GIT_EMAIL

git config --global user.name "$GIT_USERNAME"
git config --global user.email "$GIT_EMAIL"

## Symbolic links
# Bashrc
ln -sf /srv/git/basic_config_debian/root/.bashrc /root/
# Profile
ln -sf /srv/git/basic_config_debian/root/.profile /root/
mkdir -p /root/.profile.d
ln -sf /srv/git/basic_config_debian/root/.profile.d/00_connexion_info.conf /root/.profile.d/
# vimrc
ln -sf /srv/git/basic_config_debian/root/.vimrc /root/

## Tune logrotate
# Fix logrotate bug
cat << EOF > /etc/cron.daily/logrotate
#!/bin/sh
test -x /usr/sbin/logrotate || exit 0
/usr/sbin/logrotate -f /etc/logrotate.conf
EOF
# Disable delaycompress
sed -i 's/.*delaycompress/#&/' /etc/logrotate.d/*

# Disable IPv6
cat << EOF > /etc/sysctl.d/98-disable-ipv6.conf
# Disable ipv6 on all connexion
net.ipv6.conf.all.disable_ipv6 = 1
EOF
sysctl -p