init

#!/usr/bin/env bash
#
# This main project script which configure/install my Debian environment (dotfiles).
# Configures the necessary tools for development and convenience.
# Minimalistic environment and instruments with old-school fonts.
#
# Be careful when running this script on your main machine,
# it does not create backup dotfiles and may erase your current working environment.
#
# After the $ ./init --xfce OR $ ./init --xfce-hotkeys
# need to session restart.
#

set -ex

umask 077

check_package()
{
	dpkg -l | awk '{print $2}' | grep ^$1$ &>/dev/null && return 0 || return 1
}

# ----------------------------------

mark_start="# ----"
mark_end="# ---- Don't write after this"

mark_s_file()
{
	echo -e "\n$mark_start\n" >> $1
}

mark_e_file()
{
	echo -e "\n$mark_end" >> $1
}

bold_message()
{
	echo -e "\e[96m*** ----- $1 ----- ***\e[0m"
}

remove_marked_lines()
{
	if grep "^$mark_start" $1; then
		sed -i "/$mark_start/Q" $1 # remove all lines after pattern
		sed -i '$ d' $1 # remove last empty line
	fi
}

usage()
{
cat << EOF
Usage: $(basename $0) [option]

  [option]
  --ftp                  ftp server installation
                         /etc/vsftpd.conf

  --initd                operations before shutdown/reboot
                         /etc/init.d/clean-env script - amnesia

  --hosts                hosts installation
                         /etc/hosts

  --sysctl               kernel parameters installation
                         /etc/sysctl.conf

  --sources.list         the latest up-to-date Debian repositories
                         sources.list installation

  --install-packages     install useful packages

  --clean-home           cleanup home directory
                         configure user-dirs.*

  --bashrc               ~/.bashrc, ~/.profile extra rules installation
                         append rules to the current content of ~/.bashrc, ~/.profile

  --bash-completion      enable bash completion

  --locales              generate 'en_US' 'ru_RU' locales

  --xfce                 full xfce installation (desktop session)
                         all ~/.config/xfce4/xfconf/xfce-perchannel-xml files

  --xfce-hotkeys         xfce keyboard shortcuts installation
                         configure only 'xfce4-keyboard-shortcuts.xml'

  --xfce-terminal        xfce terminal emulator installation (xfce4-terminal)
                         ~/.config/xfce4/terminal/terminalrc + colorschemes

  --mc                   midnight commander installation

  --tmux                 terminal multiplexer installation

  --vim                  vim text editor installation with plugins

  --mousepad             mousepad text editor installation

  --gdb                  gdb debugger installation

  --neomutt              mail client neomutt installation

  --newsboat             rss feed reader installation

  --dircolors            dircolors installation

  --local-bin            ~/.local/bin installation

  --local-share          ~/.local/share installation

  --gitconfig            ~/.gitconfig installation

  -h, --help             show this help and exit

EOF

exit 0
}

# ----------------------------------

for arg in "$@"; do
        case "$arg" in
		"--ftp")
			bold_message "FTP server installation"
			if check_package vsftpd; then
				if [ ! -d /srv/ftp/upload ]; then
					sudo mkdir /srv/ftp/upload
					sudo chmod 777 /srv/ftp/upload
				fi

				sudo cp -v ./root/etc/vsftpd.conf /etc/vsftpd.conf
				sudo systemctl restart vsftpd.service
			else
				>&2 echo "Please, install 'vsftpd' package"
				exit 1
			fi
		;;

		"--initd")
			bold_message "init.d script for user home directory (amnesia)"
			sudo cp -v ./root/etc/init.d/clean-env /etc/init.d
			sudo ln -s /etc/init.d/clean-env /etc/rc5.d/S00clean-env &>/dev/null | true
			sudo ln -s /etc/init.d/clean-env /etc/rc6.d/K00clean-env &>/dev/null | true
			sudo systemctl daemon-reload
			sudo systemctl restart clean-env.service
		;;

                "--hosts")
			bold_message "Hosts installation"
			sudo cp -v ./root/etc/hosts /etc/hosts
			sudo sed -i "s/<MY-HOSTNAME>/$(hostname)/" /etc/hosts &>/dev/null
		;;

                "--sysctl")
			bold_message "Kernel parameters installation"
			sudo cp -v ./root/etc/sysctl.conf /etc/sysctl.conf
			sudo sysctl -p
			echo "Core file size: $(ulimit -c)"
		;;

		"--sources.list")
			bold_message "sources.list installation"
			sudo cp -v ./root/etc/apt/sources.list /etc/apt/
		;;

		"--install-packages")
			main=(nano mousepad vim vim-gtk3 gdb tmux mc git git-lfs tig neomutt newsboat \
			galculator gparted gcc make strace xsel ripgrep bash-completion pkg-config \
			valgrind locales sudo ssh sshpass systemd-coredump moreutils coreutils \
			binutils diffutils mawk gawk perl perl-base psmisc dialog whiptail \
			exuberant-ctags hwinfo indent wipe patch patchutils fakeroot file python-pip \
			python3-pip ca-certificates openssl gpg dnsutils traceroute whois tcpdump \
			nmap wget curl netcat net-tools dirmngr nfs-common gettext shc tree lsof)

			deb=(apt-file dpkg-dev devscripts lintian  cdbs debootstrap pbuilder \
			dconf-cli automake autoconf dh-make debhelper build-essential autotools-dev \
			quilt debconf-utils adequate piuparts licensecheck reportbug \
			how-can-i-help equivs debconf aptitude duck blhc gobject-introspection)

			doc=(man-db mandoc manpages manpages-dev manpages-ru manpages-ru-dev \
			manpages-posix manpages-posix-dev linux-doc gcc-doc gcc-base-doc info)

			fonts=(font-manager xfonts-terminus fonts-unifont fonts-hack fonts-glasstty \
			fonts-ibm-plex)

			other=(task-russian task-russian-desktop gnome-screensaver telegram-desktop \
			audacious cowsay oneko simplescreenrecorder)

			packs=("${main[*]}" "${deb[*]}" "${doc[*]}" "${fonts[*]}" "${other[*]}")

			bold_message "Install useful packages"
			sudo apt-get update

			if ! check_package eatmydata; then
				>&2 echo "Please, install 'eatmydata' package"
				exit 1
			fi

			set +e
			for p in ${packs[*]}; do
				if ! check_package $p; then
					sudo eatmydata apt-get -y install $p
					echo -e "$?\n"
				fi
			done
			set -e

			sudo mandb
			sudo apt-file update
		;;

		"--clean-home")
			bold_message "Cleanup $HOME"

			trash_dirs=(Видео Общедоступные Шаблоны Документы \
			Videos Public Templates Documents)

			# I don't need these dirs =)
			for dir in ${trash_dirs[*]}; do
				[ -d ~/$dir ] && rm -ri ~/$dir
			done

			mkdir ~/sources &>/dev/null | true
			ls ~

			cp -v ./.config/user-dirs.dirs ~/.config
			cp -v ./.config/user-dirs.locale ~/.config
		;;

		"--bashrc")
			bold_message "Bash read extra rules installation"
			remove_marked_lines ~/.bashrc
			mark_s_file ~/.bashrc
			cat ./.bashrc >> ~/.bashrc
			mark_e_file ~/.bashrc

			remove_marked_lines ~/.profile
			mark_s_file ~/.profile
			cat ./.profile >> ~/.profile
			mark_e_file ~/.profile

			cp -v ./.vv ~/
			cp -v ./.dput.cf ~/
		;;

		"--bash-completion")
			bold_message "Enable bash completion"
			if check_package bash-completion; then
				sudo perl -i -pe '$i++ if /^#if ! shopt -oq posix;/; s/^#// if $i==1; $i=0 if /^fi/' \
				/etc/bash.bashrc
			else
				>&2 echo "Please, install 'bash-completion' package"
				exit 1
			fi
		;;

		"--locales")
			bold_message "Generate locales"
			if check_package locales; then
				# for the shell, I use 'en_US.UTF-8' (look '--bashrc')
				# for the interface 'en_US.UTF-8'

				for loc in en_US.UTF-8 ru_RU.UTF-8; do
					if ! grep ^$loc /etc/locale.gen &>/dev/null; then
						echo "$loc UTF-8" | sudo tee -a /etc/locale.gen
						sudo locale-gen
					fi
				done

				# all interface all users
				echo LANG="en_US.UTF8" | sudo tee /etc/default/locale
			else
				>&2 echo "Please, install 'locales' package"
				exit 1
			fi
		;;

		"--xfce")
			# XDG_DATA_DIRS not set in ssh session
			#if echo "$XDG_DATA_DIRS" | grep 'xfce' &>/dev/null; then

			bold_message "XFCE installation"
			if check_package xfce4; then
				cp -v ./.config/xfce4/xfconf/xfce-perchannel-xml/* \
				~/.config/xfce4/xfconf/xfce-perchannel-xml
			else
				>&2 echo "Current desktop environment not 'xfce'"
				exit 1
			fi

			# max brightness for laptops
			device_name=$(find /sys/class/backlight/ -mindepth 1)
			if [ ! -z "$device_name" ]; then
				max_brightness=$(cat $device_name/max_brightness)
				echo $max_brightness | sudo tee $device_name/brightness
			fi
		;;

		"--xfce-hotkeys")
			bold_message "XFCE keyboard shortcuts installation"
			if check_package xfce4; then
				cp -v ./.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-keyboard-shortcuts.xml \
				~/.config/xfce4/xfconf/xfce-perchannel-xml
			else
				>&2 echo "Current desktop environment not 'xfce'"
				exit 1
			fi
		;;

		"--xfce-terminal")
			bold_message "XFCE terminal emulator installation"
			if check_package xfce4-terminal; then
				mkdir ~/.config/xfce4/terminal &>/dev/null | true
				cp -v ./.config/xfce4/terminal/terminalrc ~/.config/xfce4/terminal

				mkdir -p ~/.local/share/xfce4/terminal/colorschemes &>/dev/null | true
				cp -v ./.local/share/xfce4/terminal/colorschemes/* ~/.local/share/xfce4/terminal/colorschemes
			else
				>&2 echo "Please, install 'xfce4-terminal' package"
				exit 1
			fi
		;;

		"--mc")
			bold_message "Midnight Commander installation"
			if check_package mc; then
				mkdir -p ~/.config/mc &>/dev/null | true
				sudo mkdir -p /root/.config/mc &>/dev/null | true

				cp -v ./.config/mc/{ini,panels.ini,hotlist} ~/.config/mc
				sudo cp -v ./.config/mc/{ini,panels.ini} /root/.config/mc
			else
				>&2 echo "Please, install 'mc' package"
				exit 1
			fi
		;;

		"--tmux")
			bold_message "Tmux installation"
			if check_package tmux; then
				cp -v ./.tmux.conf ~/.tmux.conf
			else
				>&2 echo "Please, install 'tmux' package"
				exit 1
			fi
		;;

		"--vim")
			bold_message "Vim installation with plugins"
			if check_package vim; then
				plug_vim=~/.vim/autoload/plug.vim

				if [ ! -e $plug_vim ]; then
					curl -fLo $plug_vim --create-dirs \
					https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
				fi

				cp -v ./.vimrc ~/.vimrc
				vim +PlugClean +PlugInstall +q +q
			else
				>&2 echo "Please, install 'vim' package"
				exit 1
			fi
		;;

		"--mousepad")
			bold_message "Mousepad installation"
			if check_package mousepad; then
				# How export mousepad configuration ? Commands:
				# $ dconf dump /org/xfce/mousepad/ > mousepad.settings
				# $ dconf load /org/xfce/mousepad/ < mousepad.settings
				cp -v ./.config/dconf/mousepad.settings ~/.config/dconf
				dconf load /org/xfce/mousepad/ < ~/.config/dconf/mousepad.settings
			else
				>&2 echo "Please, install 'mousepad' package"
				exit 1
			fi
		;;

		"--gdb")
			bold_message "Gdb installation"
			if check_package gdb; then
				if [ ! -e ~/.gdbinit ]; then
					wget -P ~/ https://git.io/.gdbinit
					pip install pygments --break-system-packages
				fi

				remove_marked_lines ~/.gdbinit
				mark_s_file ~/.gdbinit
				cat ./.gdbinit >> ~/.gdbinit
				mark_e_file ~/.gdbinit
			else
				>&2 echo "Please, install 'gdb' package"
				exit 1
			fi
		;;

		"--neomutt")
			bold_message "Neomutt installation"
			if check_package neomutt; then
				cp -v ./.neomuttrc ~/
				cp -v ./.signature ~/
			else
				>&2 echo "Please, install 'neomutt' package"
				exit 1
			fi
		;;

		"--newsboat")
			bold_message "RSS feed reader installation"
			if check_package newsboat; then
				mkdir ~/.newsboat &>/dev/null | true
				cp -v ./.newsboat/* ~/.newsboat
			else
				>&2 echo "Please, install 'newsboat' package"
				exit 1
			fi
		;;

		"--dircolors")
			bold_message "dircolors installation"
			cp -v ./.dircolors ~/
		;;

		"--local-bin")
			bold_message "~/.local/bin installation"
			mkdir ~/.local/bin &>/dev/null | true
			cp -v ./.local/bin/* ~/.local/bin
		;;

		"--local-share")
			bold_message "~/.local/share installation"
			mkdir ~/.local/share &>/dev/null | true
			cp -rv ./.local/share/* ~/.local/share
		;;

		"--gitconfig")
			bold_message "~/.gitconfig installation"
			if check_package git; then
				cp -v ./.gitconfig ~/
			else
				>&2 echo "Please, install 'git' package"
				exit 1
			fi
		;;

                "-h" | "--help") usage ;;
        esac
done