mirror of
https://github.com/kevinveenbirkenbach/linux-image-manager.git
synced 2024-11-14 03:21:03 +01:00
129 lines
3.5 KiB
Bash
129 lines
3.5 KiB
Bash
#!/bin/bash
|
|
#
|
|
# This script contains the global program variables and functions
|
|
#
|
|
# shellcheck disable=SC2034 #Deactivate checking of unused variables
|
|
# shellcheck disable=SC2003 #Deactivate "expr is antiquated"
|
|
# shellcheck disable=SC2015 #Deactivate bool hint
|
|
# shellcheck disable=SC2005 #Remove useless echo hint
|
|
# shellcheck disable=SC2010 #Deactivate ls | grep hint
|
|
REPOSITORY_PATH="$(readlink -f "${0}" | sed -e 's/\/scripts\/.*//g')"
|
|
CONFIGURATION_PATH="$REPOSITORY_PATH""/configuration/"
|
|
PACKAGE_PATH="$CONFIGURATION_PATH""packages/"
|
|
TEMPLATE_PATH="$CONFIGURATION_PATH""templates/";
|
|
HOME_TEMPLATE_PATH="$TEMPLATE_PATH""home/";
|
|
ENCRYPTED_PATH="$REPOSITORY_PATH/.encrypted";
|
|
DECRYPTED_PATH="$REPOSITORY_PATH/decrypted";
|
|
SCRIPT_PATH="$REPOSITORY_PATH/scripts/";
|
|
DATA_PATH="$DECRYPTED_PATH/data";
|
|
BACKUP_PATH="$DECRYPTED_PATH/backup";
|
|
|
|
COLOR_RED=$(tput setaf 1)
|
|
COLOR_GREEN=$(tput setaf 2)
|
|
COLOR_YELLOW=$(tput setaf 3)
|
|
COLOR_BLUE=$(tput setaf 4)
|
|
COLOR_MAGENTA=$(tput setaf 5)
|
|
COLOR_CYAN=$(tput setaf 6)
|
|
COLOR_WHITE=$(tput setaf 7)
|
|
COLOR_RESET=$(tput sgr0)
|
|
|
|
# FUNCTIONS
|
|
|
|
message(){
|
|
echo "$1[$2]:${COLOR_RESET} $3 ";
|
|
}
|
|
|
|
question(){
|
|
message "${COLOR_MAGENTA}" "QUESTION" "$1";
|
|
}
|
|
|
|
info(){
|
|
message "${COLOR_BLUE}" "INFO" "$1";
|
|
}
|
|
|
|
warning(){
|
|
message "${COLOR_YELLOW}" "WARNING" "$1";
|
|
}
|
|
|
|
success(){
|
|
message "${COLOR_GREEN}" "SUCCESS" "$1";
|
|
}
|
|
|
|
error(){
|
|
if [ -z "$1" ]
|
|
then
|
|
message="Failed."
|
|
else
|
|
message="$1"
|
|
fi
|
|
message "${COLOR_RED}" "ERROR" "$message -> Leaving program."
|
|
if declare -f "destructor" > /dev/null
|
|
then
|
|
info "Calling destructor..."
|
|
destructor
|
|
else
|
|
warning "No destructor defined."
|
|
info "Can be that this script left some waste."
|
|
fi
|
|
exit 1;
|
|
}
|
|
|
|
# Routine to echo the full sd-card-path
|
|
set_device_path(){
|
|
info "Available devices:"
|
|
ls -lasi /dev/ | grep -E "sd|mm"
|
|
question "Please type in the name of the device: /dev/" && read -r device
|
|
device_path="/dev/$device"
|
|
if [ ! -b "$device_path" ]
|
|
then
|
|
error "$device_path is not valid device."
|
|
fi
|
|
info "Device path set to: $device_path"
|
|
# @see https://www.heise.de/ct/hotline/Optimale-Blockgroesse-fuer-dd-2056768.html
|
|
PHYSICAL_BLOCK_SIZE_PATH="/sys/block/$device/queue/physical_block_size"
|
|
if [ -f "$PHYSICAL_BLOCK_SIZE_PATH" ]; then
|
|
PHYSICAL_BLOCK_SIZE=$(sudo cat $PHYSICAL_BLOCK_SIZE_PATH)
|
|
if [ $? -eq 0 ]; then
|
|
OPTIMAL_BLOCKSIZE=$((64 * PHYSICAL_BLOCK_SIZE)) || error
|
|
else
|
|
echo "Unable to read $PHYSICAL_BLOCK_SIZE_PATH"
|
|
OPTIMAL_BLOCKSIZE="4K"
|
|
fi
|
|
else
|
|
OPTIMAL_BLOCKSIZE="4K"
|
|
fi
|
|
info "Optimal blocksize set to: $OPTIMAL_BLOCKSIZE" || error
|
|
}
|
|
|
|
overwritte_device_with_zeros(){
|
|
question "Should $device_path be overwritten with zeros before copying?(y/N)" && read -r copy_zeros_to_device
|
|
if [ "$copy_zeros_to_device" = "y" ]
|
|
then
|
|
info "Overwritting..." &&
|
|
dd if=/dev/zero of="$device_path" bs="$OPTIMAL_BLOCKSIZE" status=progress || error "Overwritting $device_path failed."
|
|
else
|
|
info "Skipping Overwritting..."
|
|
fi
|
|
}
|
|
|
|
get_packages(){
|
|
for package_collection in "$@"
|
|
do
|
|
package_collection_path="$PACKAGE_PATH""$package_collection.txt" &&
|
|
echo "$(sed -e "/^#/d" -e "s/#.*//" "$package_collection_path" | tr '\n' ' ')" ||
|
|
error
|
|
done
|
|
}
|
|
|
|
HEADER(){
|
|
echo
|
|
echo "${COLOR_YELLOW}The"
|
|
echo "LINUX IMAGE MANAGER"
|
|
echo "is an administration tool designed from and for Kevin Veen-Birkenbach."
|
|
echo
|
|
echo "Licensed under GNU GENERAL PUBLIC LICENSE Version 3"
|
|
echo "${COLOR_RESET}"
|
|
}
|
|
|
|
HEADER
|