LFS-RPM/cleanup.sh

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#!/bin/bash
#-----------------------------------------------------------------------------
# Title: cleanup.sh
# Date: 2020-05-31
# Version: 2.0
# Author: chris@cromer.cl
# Options:
#-----------------------------------------------------------------------------
# Copyright 2020 Chris Cromer
# Copyright 2019 Baho Utot
#-----------------------------------------------------------------------------
# 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, either version 3 of the License, or
# (at your option) any later version.
# 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, see <https://www.gnu.org/licenses/>.
#-----------------------------------------------------------------------------
# This script removes changes made to the host system and
# also removes the build tool chain chapter 5 packages as they are no
# longer needed. It will also unmount the /mnt/lfs filesystem
#-----------------------------------------------------------------------------
set -o errexit # exit if error...insurance ;)
set -o nounset # exit if variable not initalized
set +h # disable hashall
#-----------------------------------------------------------------------------
PRGNAME=${0##*/} # script name minus the path
LFS=/mnt/lfs # build area
TOOLCHAIN="${LFS}/tools" # tool chain directory
LINK=/tools # tool chain symlink
USER=lfs # build user
#-----------------------------------------------------------------------------
function die() {
local _red="\\033[1;31m"
local _normal="\\033[0;39m"
[ -n "$*" ] && printf "${_red}$*${_normal}\n"
exit 1
}
function msg {
printf "%s\n" "${1}"
return
}
function msg_line {
printf "%s" "${1}"
return
}
function msg_failure {
local _red="\\033[1;31m"
local _normal="\\033[0;39m"
printf "${_red}%s${_normal}\n" "FAILURE"
exit 2
}
function msg_success {
local _green="\\033[1;32m"
local _normal="\\033[0;39m"
printf "${_green}%s${_normal}\n" "SUCCESS"
return
}
function msg_log {
printf "\n%s\n\n" "${1}" >> ${_logfile} 2>&1
return
}
function end_run {
local _green="\\033[1;32m"
local _normal="\\033[0;39m"
printf "${_green}%s${_normal}\n" "Run Complete"
return
}
#-----------------------------------------------------------------------------
msg_line "Checking to see if running as root: "
[ "$EUID" -ne 0 ] && die "You need be running as root for this script"
msg_success
msg_line "Remove chapter 5 tool chain: "
[ -d "${TOOLCHAIN}" ] && rm -rf "${TOOLCHAIN}"
[ -h "${LINK}" ] && rm ${LINK}
msg_success
msg_line "Removing lfs user: "
getent passwd ${USER} > /dev/null 2>&1 && userdel -r ${USER} > /dev/null 2>&1
msg_success
end_run