Ubuntu-gr Forum

#! /bin/bash

#   Type: Bash script

#   Tries to repair basic Ubuntu (and official flavours) installation
#   by reinstalling default packages.

#   Copyright (C) 2015 fkol-k4 ( https://github.com/fkol-k4 )

#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation version 2.

#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.

#   You should have received a copy of the GNU General Public License along
#   with this program; if not, write to the Free Software Foundation, Inc.,
#   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


##  Script functions
function txt_formatting() {
    # text formatting options
    bold='\e[1m'
    underline='\e[4m'
    reset='\e[0m'
    }

function usage_msg() {
    # script usage message
    clear
    txt_formatting
    echo -e "$bold
No or invalid parameter!
$reset
Please try again running the script with a proper parameter...
$bold
Usage:$reset                  $scriptname <flavour>
$bold
Available flavours:$reset     ubuntu
                        kubuntu
                        xubuntu
                        lubuntu
                        ubuntu-gnome
                        ubuntu-mate
                        ubuntukylin
                        ubuntustudio
                        edubuntu
                        mythbuntu
$underline$bold
Example:$reset                $scriptname ubuntu-mate
    "
    exit 1
    }

function get_manifest() {
    # build info for necessary manifest file & url
    name="$(lsb_release -sc)"
    version="$(lsb_release -sr)"
    if [[ $(arch) == x86_64 ]]; then
        sys_arch="amd64"
    else
        sys_arch="i386"
    fi
    # build manifest file url
    if [[ $1 == "ubuntu" ]]; then
        manifest_url="http://releases.ubuntu.com/$name/$flavour-$version-desktop-$sys_arch.manifest"
    elif [[ $1 =~ ^("kubuntu"|"xubuntu"|"lubuntu"|"ubuntu-gnome"|"ubuntu-mate"|"ubuntukylin"|"ubuntustudio")$ ]]; then
        manifest_url="http://cdimage.ubuntu.com/$flavour/releases/$name/release/$flavour-$version-desktop-$sys_arch.manifest"
    elif [[ $1 == "mythbuntu" ]] || [[ $1 == "edubuntu" ]]; then
        manifest_url="http://cdimage.ubuntu.com/$flavour/releases/$name/release/$flavour-$version-dvd-$sys_arch.manifest"
    else
        usage_msg
    fi
    # make workfolder
    mkdir -p /tmp/repair
    cd /tmp/repair/
    rm -rf ./*.manifest
    # download manifest file
    wget "$manifest_url"
    cd "$HOME"
    }

function apt_repair() {
    sudo apt-get update
    sudo apt-get --yes --force-yes dist-upgrade
    sudo apt-get --yes clean
    sudo apt-get --yes autoclean
    sudo apt-get --yes --purge autoremove
    sudo apt-get --yes --force-yes --fix-missing install
    sudo apt-get --yes --force-yes --fix-broken install
    sudo dpkg --configure -a
    }

function install_basics() {
    # define basic packages list
    manifest_file=$(ls /tmp/repair/ | grep manifest)
    package_list=($(cat "/tmp/repair/$manifest_file" | awk '$0 {print $1}'))
    # install basic packages
    for package in ${package_list[@]}; do
        sudo apt-get --yes --force-yes --no-install-recommends --reinstall install "$package"
    done
    }


##  Main script
# global variables
export scriptname=$0
export flavour=$1

if [ $# -lt 1 ]; then
    # run on no parameter
    usage_msg
fi
get_manifest $flavour
apt_repair
install_basics