#!/bin/bash

#######
### Copy customization files to their proper locations after backing up
### original files
###
### Script by: Asif Bacchus for mytechiethoughts.com
### Exclusively available from:
###     https://git.asifbacchus.app/asif/DebianConfigs
### Some rights reserved.
###
### Anyone is allowed to use and alter this script and any or all accompanying
### files for their own needs as long as the intent as stated at the beginning
### of this comment block remains the same and credit is given to the author
### or the 'mytechiethoughts.com' website.
###
### Neither the author or anyone affiliated with 'mytechiethoughts.com' accepts
### any liability whatsoever arising from using or even thinking about using
### this script or any accompanying files for any purpose whether intended,
### incidental or otherwise.
###
### Please refer to https://mytechiethoughts.com/<address_of_blog_post>
### for more information about this script and its accompanying files.
#######


# colour definitions
norm="\e[0m"
yellow="\e[93m"
cyan="\e[96m"
mag="\e[95m"
err="\e[1;31m"
ok="\e[1;32m"

# allow base copy-path for debugging, otherwise default to '' as base (i.e. use
# root as base)
if [ -n "${1}" ]; then
    path="${1%/}"
    echo -e "\n${err}BASE PATH:${norm} ${path}"
    echo -e "${err}All files will be copied to subdirectories beneath this 'base path' instead"
    echo -e "of the correct locations. This should only be done for testing!${norm}\n"
else
    unset path
fi

### verify this script is running as root, otherwise exit with notification
if [ $(id -u) -ne 0 ]; then
echo -e "\n${err}This script MUST be run as ROOT. Exiting${norm}"
exit 1
fi


### let user know what's happening
echo -e "\n${norm}This script will copy TEMPLATE files to various locations in order to customize"
echo "your system. Backups will be created in-place with the extension '.original'"
echo -e "\n${yellow}Please note: It's still up to you to customize the template files with settings"
echo "appropriate to your environment!"
echo -e "\n${cyan}Details about template files are in the readme.md files within each directory"
echo -e "in this archive.${norm}\n"

### copy files to proper locations
echo -e "${mag}---------------------${norm}"
echo "(please note any errors below)"


## copy clean .bashrc for root user
echo -e "copying ${yellow}.bashrc${norm} to ${yellow}${path}/root${norm}"
# backup
cp -f /root/.bashrc "${path}/root/.bashrc.original"
# copy new
cp -f config/root/.bashrc "${path}/root/.bashrc"

## copy profile template file
echo -e "copying ${yellow}profile${norm} to ${yellow}${path}/etc/profile${norm}"
# backup
cp -f /etc/profile "${path}/etc/profile.original"
# copy new
cp -f config/etc/profile "${path}/etc/profile"

## copy updated bash.bashrc
echo -e "copying ${yellow}bash.bashrc${norm} to ${yellow}${path}/etc/bash.bashrc${norm}"
# backup
cp -f /etc/bash.bashrc "${path}/etc/bash.bashrc.original"
# copy new
cp -f config/etc/bash.bashrc "${path}/etc/bash.bashrc"

## copy updated skel .bashrc
echo -e "copying ${yellow}.bashrc${norm} to ${yellow}${path}/etc/skel/.bashrc${norm}"
# backup
cp -f /etc/skel/.bashrc "${path}/etc/skel/.bashrc.original"
# copy new
cp -f config/etc/skel/.bashrc "${path}/etc/skel/.bashrc"


## copy nano settings
echo -e "\ncopying ${yellow}nanorc${norm} to ${yellow}${path}/etc/nanorc${norm}"
# backup
cp -f /etc/nanorc "${path}/etc/nanorc.original"
# copy new
cp -f config/etc/nanorc "${path}/etc/nanorc"


## copy timesync
echo -e "\ncopying ${yellow}timesyncd.conf${norm} to ${yellow}${path}/etc/systemd/timesyncd.conf${norm}"
# backup
cp -f /etc/systemd/timesyncd.conf "${path}/etc/systemd/timesyncd.conf.original"
# copy new
cp -f config/etc/systemd/timesyncd.conf "${path}/etc/systemd/timesyncd.conf"


## copy sshd configuration
echo -e "\ncopying ${yellow}sshd_config${norm} to ${yellow}${path}/etc/ssh/sshd_config${norm}"
# backup
cp -f /etc/ssh/sshd_config "${path}/etc/ssh/sshd_config.original"
# copy new
cp -f config/etc/ssh/sshd_config "${path}/etc/ssh/sshd_config"


### Exit gracefully
echo -e "${mag}---------------------${norm}"
echo -e "\n${ok}All done!${norm}\n"

exit 0