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pisafe_beta
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#!/bin/bash
COPYRIGHT="By Richard Reed 2018 - 2022"
# This script basically
# 1- copies a media-device with 'dd'
# 2- shrinks the last partition with 'pishrink'
# 3- compresses with 'zip'
# references
# https://www.raspberrypi.org/documentation/installation/installing-images/linux.md
# https://www.instructables.com/id/How-to-BackUp-and-Shrink-Your-Raspberry-Pi-Image/
# https://github.com/Drewsif/PiShrink
# https://jfearn.fedorapeople.org/fdocs/en-US/Documentation/0.1/html/Fedora_Multiboot_Guide/freespace-ntfs.html
SCRIPTNAME="${0##*/}"
SCRIPTVER="1.2.12c" # 2023/12/24
PRODUCTNAME="PiSafe"
PRODUCTCOMMENT="Raspberry Pi Imaging App"
PRODUCTHOME="https://github.com/RichardMidnight/pi-safe"
CURRENT_DIR=$(pwd)
USER=$(whoami)
CONFIG="/home/$USER/.config/pisafe/pisafe.conf"
LOG_FILE="/home/$USER/.config/pisafe/pisafe.log"
LOG=on
REQUIRED_TOOLS="dd pishrink.sh zip unzip pv bc whiptail file nano"
OPTIONAL_TOOLS="xz pigz zstd"
INDEV=
OUTDEV=
INFILE=
OUTFILE=
BACKTITLE="$PRODUCTNAME ver $SCRIPTVER === $PRODUCTCOMMENT === "
INTERFACE="cli"
YESNO=-n
WHITE='\033[1;37m'
RED='\033[1;31m'
GREEN='\033[0;32m'
BLUE='\033[0;34m'
LTBLUE='\033[1;34m'
NC='\033[0m' # No Color, standard text
echo_white() { (echo -e "${WHITE}$*${NC}") }
echo_red() { (echo -e "${RED}$*${NC}") }
echo_blue() { (echo -e "${LTBLUE}$*${NC}") }
echo_green() { (echo -e "${GREEN}$*${NC}") }
echo_debug() {
echo_blue DEBUG:$* > /dev/stderr
}
notes_desktop_environment(){
# this is just a reference of tested OSs from 2021
DISTRO TERMINAL TEXT EDITOR
RaspberryPiOS-stretch lxterminal leafpad?
RaspberrypiOS-buster lxterminal mousepad
Debian-GNOME gnome-terminal gedit
Debian Xfce xfce4-terminal mousepad
Debian KDE Plasma konsole kwrite
Debian Cinnamon xterm / uxterm gedit
Debian MATE mate-terminal pluma
Debian LXDE lxterminal mousepad
Debian LXQt qterminal featherpad
ubuntu gnome gnome-terminal gedit
lubuntu LXQt qterminal featherpad
LMDE-4 Cinnamon gnome-terminal xed
mint cinnamon gnome-terminal xed
mint MATE mate-terminal xed
Mint Xfce xfce4-terminal Xed
bionic puppy - ppm lxterminal geany
arch / manjaro - pacman -S
zorin - ubuntu based
manjaro kde konsole kate
manjaro xfce xfce-terminal mousepad
kali 2022 -apt xterm mousepad -ver 1.2.5
Tested with
--- ARM ---
Raspios Buster good
Raspbian Stretch good
Raspbian Jessy can work with limitations
Manjaro good no whiptail on lite ver
Ubuntu good
Note: overlay filesystem cannot be turned on
--- x86-64 ---
debian Strech, Buster no shrink, last is logical swap.
RPD Buster no shrink, last is logical swap.
mint 20.1 no shrink, last is ext logical.
LMDE 4 good
ubuntu good
lubuntu good
kali 2022 good, noshrink, swap
Note: if you custom partition with ext4 as last, it shrinks.
}
notes_performance(){
Creating image from raspi-os image expanded on an 8GB SD card. Size=837mb
SETTING SIZE GB SECONDS mb removed/sec
img 3.99 210
zip 1 1.71 511 4.59
pigz 1 1.71 340 6.90
xz 1 1.38 783 3.43
zst 1 1.68 321 7.40
zip 5 1.62 651 3.74
pigz 5 1.62 361 6.75
xz 5 1.24 1588 1.78
zst 5 1.52 407 6.24
zip 9 1.61 1446 1.69
pigz 9 1.61 586 4.18
xz 8 1.2 1990 1.44
zst 9 1.42 527 4.92
}
run_command(){
local CMD=$1
local LINE=$2
local QUIET=${3:-n}
ui_echo "~ Running: $CMD" blue
eval $CMD
ES=$?
if (( $ES )); then
ui_echo "~ Exit_Status $ES running '$CMD'" red log
return $ES
fi
}
pisafe_about(){
echo "$PRODUCTNAME was started in 2017 as 'sd' by 'RichardMidnight on github'"\
"while working on a Raspberry Pi project and needing to make restore-points."\
"The image writers available at the time did not run on the pi itself"\
"and were not able to create a new image file."
echo
echo "It was originally called 'sd' and only had a CLI."
echo
echo "Then in 2021, the menu front-end was added to make it more usable by others."\
"It was then renamed it 'PiSafe' which is a reference to the 'ventilated cupboards for storing"\
"pies while protecting them from insects and vermin'. "
echo
echo "It is pretty clean bash code so it works on many debian and arch distros."
echo
echo "It's home is $PRODUCTHOME"
echo
echo "Use at your own risk."
echo
echo "Hopfully $PRODUCTNAME is useful to others."
echo
echo "Peace"
}
pisafe_help() {
echo "$PRODUCTNAME v$SCRIPTVER - Designed for Raspberry Pi"
echo " - Backup media (SD card) to an image file"
echo " - Restore media (SD card) from an image file"
echo
echo "Usage: "
echo " $SCRIPTNAME [function] [media/file] [file/media] [-y]"
echo
echo "CLI Function is:"
echo " - with no arguments it launches the PiSafe menu (recommended)"
echo " list - list media and image-files "
echo " backup [media] [file] [-y] - backup media to image-file (-y also supresses check-for-updates)"
echo " restore [file] [media] [-y] - restore image-file to media"
echo " details [media] - show media details"
echo " erase [media] [format] [-y] - format media as fat32 exfat ntfs or ext4"
echo " install [-y] - install this script"
echo " update [-y] - update script from website"
echo " uninstall [-y] - uninstall this script"
echo " settings - edit the settings file with nano"
echo " defaults - restore settings to defaults"
echo " log - view the log file with nano"
echo " -v - display version"
echo " about - display about file"
echo " help | -h | --h - help"
echo
echo "Notes: "
echo " - Supports .img .zip .xz .gz and .zst files. Appends '.img.$DEFAULT_EXTENSION' if no extension is specified "
echo " - Specifying an '.img' extension is faster but twice the size because it is not compressed."
echo " - -y answers 'y' to prompts."
echo " - There are a number of settings that can be changed in the settings file. "
echo
echo
echo "Examples:"
echo "$SCRIPTNAME "
echo "$SCRIPTNAME list"
echo "$SCRIPTNAME backup sda newimage"
echo "$SCRIPTNAME backup /dev/sdb newimage.xz -y"
echo "$SCRIPTNAME restore newimage.img.zip sda"
echo "$SCRIPTNAME backup /dev/sda /home/pi/Downloads/backup_\$(date +%Y-%d-%m_%I%M%p).img.gz -y"
echo "$SCRIPTNAME format /dev/sda fat32"
echo "$SCRIPTNAME settings"
echo "$SCRIPTNAME log"
echo
}
pisafe_install(){
SILENT=${1:-"-n"}
if [[ $SILENT != -y ]] && [[ $(ui_yesno INSTALL "Install $PRODUCTNAME $SCRIPTVER?") != y ]]; then
echo
ui_msg NOTICE "~ $PRODUCTNAME not installed" "" "" log
return
fi
echo
ui_echo "Installing $PRODUCTNAME v $SCRIPTVER..." white
# Install the CLI script
sudo cp --backup=numbered $SCRIPTNAME /usr/local/bin/$SCRIPTNAME
sudo chmod +x /usr/local/bin/$SCRIPTNAME
echo Installed ver=$(/usr/local/bin/$SCRIPTNAME -v)
# download the icon
wget https://raw.githubusercontent.com/RichardMidnight/pi-safe/main/pisafe_icon.png -O pisafe_icon.png
mv pisafe_icon.png /home/$USER/.config/pisafe/pisafe_icon.png
# create the desktop file
TERMINAL1=$(env_terminal)
echo "\
[Desktop Entry]
Type=Application
Terminal=false
Version=1.0
Name=$PRODUCTNAME
Comment=$PRODUCTCOMMENT
#Icon=rpi-imager
#Icon=media-removable
Icon=/home/$USER/.config/pisafe/pisafe_icon.png
#Exec=lxterminal --geometry=110x40 -e $SCRIPTNAME
Exec=$TERMINAL1 $SCRIPTNAME
Categories=Utility
StartupNotify=false" > "$PRODUCTNAME.desktop"
# for lxde, MATE and xfce put it in /usr/share/applications
sudo mv "$PRODUCTNAME.desktop" "/usr/share/applications"
# for just this user, put it in $HOME/.local/share/applications/
#mv "$PRODUCTNAME.desktop" "$HOME/.local/share/applications/"
if [[ -f /usr/local/bin/$SCRIPTNAME ]]; then
MSG="$PRODUCTNAME $SCRIPTVER installed.
\nSelect it from the 'Accessories' menu.
\n\nOr you can execute it from any directory by typing '$SCRIPTNAME'."
if [[ $INTERFACE = cli ]]; then
MSG="$PRODUCTNAME $SCRIPTVER installed. Select it from the 'Accessories' menu or type '$SCRIPTNAME' in a terminal."
fi
else
MSG="$PRODUCTNAME $SCRIPTVER not installed. '/usr/local/bin/$SCRIPTNAME' not found. "
fi
ui_msg INSTALL "~ $MSG" "" "" log
}
pisafe_install_tool() {
local TOOL=$1
#SILENT=${1:-"-n"}
local INSTALL=$(env_installer)
if [[ -z $(env_which $TOOL) ]] ; then
case $TOOL in
xz)
ui_echo "Installing xz-utils..." white
sudo $INSTALL xz-utils
if [[ -z $(env_which xz) ]]; then
ui_msg_warning $LINENO "xz not installed."
fi
;;
pishrink.sh)
ui_echo "Installing pishrink..." white
wget https://raw.githubusercontent.com/Drewsif/PiShrink/master/pishrink.sh
sudo chmod +x pishrink.sh
sudo mv pishrink.sh /usr/local/bin
if [[ -z $(env_which pishrink.sh) ]] ; then
ui_msg_warning $LINENO "pishrink not installed."
fi
;;
*)
#echo_white Installing $TOOL ...
ui_echo "Installing $TOOL..." white
sudo $INSTALL $TOOL
if (( $? )); then
ui_msg_warning $LINENO "$TOOL not installed."
fi
;;
esac
fi
}
pisafe_install_tools() {
local MISSING_TOOLS=
#scan for missing tools
for TOOL in $REQUIRED_TOOLS ; do
if [[ -z $(env_which $TOOL) ]]; then
MISSING_TOOLS="$MISSING_TOOLS $TOOL"
fi
done
# if nothing missing, return; else silent or ask
if [[ -z $MISSING_TOOLS ]]; then
return
elif [[ $SILENT = -n ]] && [[ $(ui_yesno "Install dependencies:'$MISSING_TOOLS '") = n ]]; then
echo
return
fi
echo
for TOOL in $REQUIRED_TOOLS ; do
pisafe_install_tool $TOOL
done
# if whiptail did not install then try installing newt...
if ! [[ $(env_which whiptail) ]]; then
local INSTALL=$(env_installer)
run_command "sudo $INSTALL newt" # for fedora
run_command "sudo $INSTALL libnewt" # for arch, manjaro
fi
}
pisafe_update() {
INTERFACE=${1:-"cli"}
SUMMARY=${2:-"yes"}
local YES=${3:-"-n"}
if [[ $SUMMARY = yes ]]; then
ui_echo "Checking for $PRODUCTNAME $SCRIPTVER updates..." white
fi
local SERVER_VER=
wget https://raw.githubusercontent.com/RichardMidnight/pi-safe/main/$SCRIPTNAME -O $SCRIPTNAME.tmp 2> /dev/null
ES=$?
if (( $ES )); then
echo_if_cli "ERROR: Can't connect to server..."
return $ES
fi
# did we get the new version from the server?
if [[ -f $SCRIPTNAME.tmp ]]; then
SERVER_VER=$(bash $SCRIPTNAME.tmp -v)
else
return 1
fi
if [[ $(get_ver_to_int $SERVER_VER) -gt $(get_ver_to_int $SCRIPTVER) ]]; then
if [[ $YES = -y ]]; then
RESULT="y"
else
RESULT=$(ui_yesno "UPDATE AVAILABLE" "Update $PRODUCTNAME from '$SCRIPTVER' to '$SERVER_VER' ")
echo
fi
if [[ $RESULT = y ]]; then
ui_echo "Updating $PRODUCTNAME to v $SERVER_VER..." white
sudo mv $SCRIPTNAME.tmp /usr/local/bin/$SCRIPTNAME
sudo chmod +x /usr/local/bin/$SCRIPTNAME
echo "$($SCRIPTNAME -v) installed. Press any key to exit... "
read -s -n 1
exit 0
fi
else
rm $SCRIPTNAME.tmp
if [[ $SUMMARY = yes ]]; then
ui_msg UPDATE "~ $PRODUCTNAME $SCRIPTVER is up to date. Server ver is '$SERVER_VER' " "" "" log
fi
fi
}
pisafe_uninstall(){
SILENT=${1:-"-n"}
if [[ -f /usr/local/bin/$SCRIPTNAME ]]; then
INSTALLED_VER=$(/usr/local/bin/$SCRIPTNAME -v)
fi
if [[ $SILENT != -y ]] && [[ $(ui_yesno UNINSTALL "Uninstall $PRODUCTNAME $INSTALLED_VER" "--defaultno") != y ]] ; then
echo
ui_msg UNINSTALL "~ $PRODUCTNAME $INSTALLED_VER not uninstalled" "" "" log
return
fi
echo
ui_echo "Uninstalling $PRODUCTNAME v $INSTALLED_VER..." white
# remove from the menu
sudo rm -f "/usr/share/applications/$PRODUCTNAME.desktop"
# next line cleans up an old configuration
rm -f "$HOME/.local/share/applications/$PRODUCTNAME.desktop"
# remove the script and config
sudo rm -f "/usr/local/bin/$SCRIPTNAME"
rm -f $CONFIG
ui_msg UNINSTALL "~ $PRODUCTNAME $INSTALLED_VER uninstalled. $LOG_FILE not removed." "" "" log
}
# ---------- Config_var functions
config_var_init_configfile(){
if [[ ! -d $(file_path $CONFIG) ]]; then
mkdir -p $(file_path $CONFIG)
fi
if [[ ! -f $CONFIG ]]; then
touch $CONFIG
echo "# $CONFIG" > $CONFIG
config_var_set_defaults
else
# update any missing values. false means dont force the update
config_var_set_defaults false
fi
}
config_var_set() {
SETTING=$1
VAL=$2
local FORCE=${3:-true} # if false, will only update if var not set.
#dont update the setting if thre is a value and we are not forcing new values
if [[ $FORCE = false ]] && [[ ! -z $(config_var_get $SETTING) ]] ; then
return
fi
case $(config_var_get $SETTING) in
'') # add setting to end of file
echo "$SETTING"="$VAL" >> $CONFIG
;;
*) #update setting to val
sed -i 's~'$SETTING'=.*$~'$SETTING'='$VAL'~' $CONFIG
;;
esac
}
config_var_clear(){
SETTING=$1
VAL=$2
sed -i 's~'$SETTING'=.*$~'$VAR'=~' $CONFIG
}
config_var_get(){
SETTING=$1"="
cat $CONFIG | grep $SETTING | sed 's~'$SETTING'~~'
}
config_var_set_defaults(){
FORCE=${1:-true} # if false, will only update if var not set.
# config_var_init_configfile
config_var_set settings_script_ver $SCRIPTVER
config_var_set default_path_cli_from_settings off $FORCE
config_var_set default_path $HOME/Downloads $FORCE
config_var_set check_for_updates_on_startup on $FORCE
config_var_set check_dependencies_on_startup on $FORCE
config_var_set debug_mode off $FORCE
config_var_set sound on $FORCE
config_var_set log on $FORCE
config_var_set text_editor $(env_texteditor) $FORCE
#backup settings
config_var_set hide_root_device on $FORCE
config_var_set shrink_fs on $FORCE
config_var_set auto_expand_fs on $FORCE
config_var_set default_extension zip $FORCE
config_var_set compression_level 1 $FORCE
config_var_set parallel_compression on $FORCE
config_var_set large_device_read_warning 16gb $FORCE
config_var_set skip_freespace on $FORCE
#restore settings
config_var_set large_device_write_warning 16gb $FORCE
config_var_set safety on $FORCE
}
config_var_get_settings(){
SETTINGS_SCRIPT_VER=$(config_var_get settings_script_ver)
DEFAULT_PATH_CLI_FROM_SETTINGS=$(config_var_get default_path_cli_from_settings)
DEFAULT_PATH=$(config_var_get default_path)
HIDE_ROOT_DEVICE=$(config_var_get hide_root_device)
CHECK_FOR_UPDATES_ON_STARTUP=$(config_var_get check_for_updates_on_startup)
CHECK_DEPENDENCIES_ON_STARTUP=$(config_var_get check_dependencies_on_startup)
DEBUG_MODE=$(config_var_get debug_mode)
SOUND=$(config_var_get sound)
LOG=$(config_var_get log)
VERIFY=off
TEXT_EDITOR=$(config_var_get text_editor)
# backup settings
SHRINK_FS=$(config_var_get shrink_fs)
AUTO_EXPAND_FS=$(config_var_get auto_expand_fs)
DEFAULT_EXTENSION=$(config_var_get default_extension)
COMPRESSION_LEVEL=$(config_var_get compression_level)
LARGE_DEVICE_READ_WARNING=$(config_var_get large_device_read_warning)
SKIP_FREESPACE=$(config_var_get skip_freespace)
# restore settings
LARGE_DEVICE_WRITE_WARNING=$(config_var_get large_device_write_warning)
SAFETY=$(config_var_get safety)
if [[ $INTERFACE = cli ]] && [[ $DEFAULT_PATH_CLI_FROM_SETTINGS != on ]]; then
DEFAULT_PATH=$(pwd)
fi
mkdir -p "$DEFAULT_PATH"
}
# ---------- Enviroment functions
env_installer(){
local INSTALLERS="apt pacman dnf"
local INSTALLER=
for INSTALLER in $INSTALLERS; do
if [[ $(env_which $INSTALLER) ]]; then
break
fi
done
case $INSTALLER in
apt|dnf) INSTALLER="$INSTALLER install -y" ;;
pacman) INSTALLER="pacman -S --noconfirm" ;;
esac
echo "$INSTALLER"
}
env_root_device() {
local ROOT_PARTITION
local ROOT_DRIVE
ROOT_MAJ=$(findmnt -n -e -o MAJ:MIN / | cut -d: -f1)
ROOT_DEV=$(lsblk -p | grep $ROOT_MAJ:0 | cut -d" " -f1)
echo $ROOT_DEV
# new simpler way
# ROOT_PARTITION=$(findmnt -no source /)
}
env_terminal(){
local TERMINAL1=
#if [ -f /usr/bin/lxterminal ];then
if [ $(env_which lxterminal) ];then
TERMINAL1="lxterminal --geometry=110x40 --title='PiSafe' -e bash -c "
elif [ $(env_which xfce4-terminal) ];then
TERMINAL1="xfce4-terminal --geometry=110x40 --title='PiSafe' -x bash -c "
elif [ $(env_which mate-terminal) ];then
TERMINAL1="mate-terminal --geometry=110x40 --title='PiSafe' -x bash -c "
elif [ $(env_which gnome-terminal) ];then
TERMINAL1="gnome-terminal --geometry=110x40 --title='PiSafe' -- bash -c "
elif [ $(env_which xterm) ];then
TERMINAL1="xterm -geometry 110x40 -T 'PiSafe' -e bash -c "
elif [ $(env_which terminator) ];then
TERMINAL1="terminator --geometry=110x40 -T 'PiSafe' -x bash -c "
elif [ $(env_which konsole) ];then
TERMINAL1="konsole -e bash -c "
elif [ $(env_which qterminal) ];then
TERMINAL1="qterminal -e bash -c "
elif [ $(env_which x-terminal-emulator) ];then
TERMINAL1="$(readlink -f /usr/bin/x-terminal-emulator) -e bash -c "
else
echo "Failed to locate any terminal emulators. "
return 1
fi
echo "$TERMINAL1"
}
env_texteditor(){
TEXT_EDITORS=" leafpad xed gedit featherpad kwrite pluma kate mousepad geany nano "
for TEXT_EDITOR in $TEXT_EDITORS ; do
if [[ $(env_which $TEXT_EDITOR) ]] ; then
echo $TEXT_EDITOR
return
fi
done
}
env_which () {
#fixes manjaro's 'which' command
local FILE=$1
# if which not installed, try to install it
which which 1>/dev/null 2>/dev/null
if (( $? )); then
sudo apt install which -y
sudo pacman -S which --noconfirm
sudo dnf install which -y
fi
which $FILE 1>/dev/null 2>/dev/null
if (( $? )); then
#echo false
return 1
else
echo 1
return 0
fi
}
env_sysinfo(){
uname -a
echo $(env_terminal)
echo $(env_installer)
echo $(env_texteditor)
echo $(env_root_device)
}
# ---------- Misc functions
do_beep(){
FREQ=${1:-600}
TIME=${2:-.5}
if [[ $SOUND = on ]] && [[ $(env_which speaker-test) ]]; then
(speaker-test -t sign -f $FREQ > /dev/null & sleep $TIME && kill -9 $! ) > /dev/null
# sleep .5 # to allow the beep to end
fi
}
do_beep_up(){
do_beep 500 .3
do_beep 600 .6
}
do_beep_down(){
do_beep 600 .3
do_beep 500 .6
}
get_elapsed_time() {
# paramaters are in seconds
local BEG=$1
local END=$2
local SECONDS=$(( $END-$BEG ))
local MIN=$(( $SECONDS/60 ))
local SEC=$(( $SECONDS%60 ))
echo $MIN min $SEC sec
#echo $(( $(( $END-$BEG ))/60)) min $(( $(( $END-$BEG ))%60 )) sec
#minutes decimal
# echo $(($END-$BEG)) seconds
}
do_countdown(){
local MAX=${1:-10}
local MSG=${2:-"Pausing for $MAX seconds... Press y to continue immediately or any other key to stop"}
local DEF=${3:-"y"}
# echo "Pausing for $MAX seconds... Press y to continue immediately or any other key to stop"
echo "$MSG"
echo -n $MAX
sleep 1
for number in $(seq 1 $MAX) ; do
echo -n ".$(($MAX-$number))"
read -s -t 1 -N 1 INPUT
if [[ ! -z $INPUT ]]; then
if [[ $INPUT = y ]]; then
echo Continuing...
return
else
echo " $INPUT Stopping countdown..."
return 1
fi
fi
MSG=$(echo "$MSG.$i")
done
if [[ $DEF = n ]]; then
return 1
fi
echo ...
}
get_ver_to_int() {
local IFS=.
parts=($1)
let val=1000000*parts[0]+1000*parts[1]+parts[2]
echo $val
unset IFS
}
get_args(){
#sets the local variables of the calling function
local ARGS=$*
for ARG in $ARGS; do
#echo_debug "$LINENO testing arg '$ARG'"
case $ARG in
-y|--yes) YESNO=-y ;;
# -v|--verbose) VERBOSE=-v ;;
-1) COMPRESSION_LEVEL=1 ;;
-2) COMPRESSION_LEVEL=2 ;;
-3) COMPRESSION_LEVEL=3 ;;
-4) COMPRESSION_LEVEL=4 ;;
-5) COMPRESSION_LEVEL=5 ;;
-6) COMPRESSION_LEVEL=6 ;;
-7) COMPRESSION_LEVEL=7 ;;
-8) COMPRESSION_LEVEL=8 ;;
-9) COMPRESSION_LEVEL=9 ;;
--updates=on) CHECK_FOR_UPDATES_ON_STARTUP=on ;;
--updates=off) CHECK_FOR_UPDATES_ON_STARTUP=off ;;
--dependencies=on) CHECK_DEPENDENCIES_ON_STARTUP=on;;
--dependencies=off) CHECK_DEPENDENCIES_ON_STARTUP=off;;
--sound=on) SOUND=on ;;
--sound=off) SOUND=off ;;
--log=on) LOG=on ;;
--log=off) LOG=off ;;
# --hide_root=on) HIDE_ROOT_DEVICE=yes ;;
# --hide_root=off) HIDE_ROOT_DEVICE=no ;;
--shrink=on) SHRINK_FS=on ;;
--shrink=off) SHRINK_FS=off ;;
--auto_expand=on) AUTO_EXPAND_FS=on ;;
--auto_expand=off) AUTO_EXPAND_FS=off ;;
--skip_freespace=on) SKIP_FREESPACE=on ;;
--skip_freespace=off) SKIP_FREESPACE=off ;;
--debug=on) DEBUG_MODE=on ;;
--debug=off) DEBUG_MODE=off ;;
# *) ;;
esac
done
}
get_bytes(){
# input bytes or human and returns human or bytes
# currently shows 3 significant digits.
local BYTES=$1
local OUTPUT=${2:-"-h"}; #human or bytes
local BASE=$(echo $BYTES | tr -cd '[[:digit:]]' )
local SUFFIX=$(echo $BYTES | tr -cd '[[kmgtbKMGTB]]' )
if ! [[ $BASE =~ ^[0-9]+$ ]] ; then # not a number
ui_msg_warning $LINENO "$BASE not a number"
return 0
fi
# if no translation needed... then just echo the input and leave
if [[ $OUTPUT != -h ]] && [[ -z $SUFFIX ]] ; then
echo $BYTES
return
fi
if [[ $OUTPUT = -h ]] && [[ ! -z $SUFFIX ]] ; then
echo $BYTES
return
fi
if [[ $OUTPUT = -h ]] ; then # translate to human readable
if [[ -z $SUFFIX ]]; then
local LEN=${#BYTES}
local k_ilo=1024;
local m_ega=$k_ilo*$k_ilo;
local g_iga=$m_ega*$k_ilo;
local t_era=$g_iga*$k_ilo;
local p_eta=$t_era*$k_ilo;
[[ -z $BYTES ]] && return # null, so exit
if ! [[ $BYTES =~ ^[0-9]+$ ]] ; then # not a number
echo 0
return 1
fi
case $LEN in
4) echo $(echo "scale=2; $BYTES/($k_ilo)" | bc)kb ;;
5) echo $(echo "scale=1; $BYTES/($k_ilo)" | bc)kb ;;
6) echo $(echo "scale=0; $BYTES/($k_ilo)" | bc)kb ;;
7) echo $(echo "scale=2; $BYTES/($m_ega)" | bc)mb ;;
8) echo $(echo "scale=1; $BYTES/($m_ega)" | bc)mb ;;
9) echo $(echo "scale=0; $BYTES/($m_ega)" | bc)mb ;;
10) echo $(echo "scale=2; $BYTES/($g_iga)" | bc)gb ;;
11) echo $(echo "scale=1; $BYTES/($g_iga)" | bc)gb ;;
12) echo $(echo "scale=0; $BYTES/($g_iga)" | bc)gb ;;
13) echo $(echo "scale=2; $BYTES/($t_era)" | bc)tb ;;
14) echo $(echo "scale=1; $BYTES/($t_era)" | bc)tb ;;
15) echo $(echo "scale=0; $BYTES/($t_era)" | bc)tb ;;
*) echo $BYTES ;;
esac
else
echo $BYTES
fi
else # translate to bytes
case $SUFFIX in
b|B|"") echo $BASE ;;
k|K|kb|KB) echo $(($BASE*1024)) ;;
m|M|mb|MB) echo $(($BASE*1024*1024)) ;;
g|G|gb|GB) echo $(($BASE*1024*1024*1024)) ;;
t|T|tb|TB) echo $(($BASE*1024*1024*1024*2014)) ;;
*) ui_msg_error $LINENO "bad byte suffix 'SUFFIX'" ;;
esac
fi
}
# ---------- file functions
file_base(){
#returns the path and filename minus all extensions
local DIR=$(dirname "$1")
local BASE=$(basename "$1")
# the %%. removes everything after the first . found
BASE="${BASE%%.*}"
echo "$DIR/$BASE"
}
file_device(){
MOUNT_POINT=$(df -a "$1" | sed 's/ */ /g' | grep -v Mounted | cut -d ' ' -f 6 )
BLK_DEV=$(lsblk -n -l -p -o PKNAME,MOUNTPOINT,NAME | sed 's/ */ /g' | grep " $MOUNT_POINT " | cut -d " " -f 1)
echo $BLK_DEV
}
file_ext(){
echo $(basename "$*") | grep \\. | sed 's#.*\.##g'
}
file_folder_size() {
local FOLDER=$*
# returns human readable
if [[ -d $FOLDER ]] ; then
sudo du -sh "$FOLDER" | cut -d'/' -f1 | sed 's/\s\s*/ /g'
ES=$?
if (( $ES )); then
return $ES
fi
else
echo 0
fi
}
file_fs_freespace() {
local FILENAME=${1:-"."}
local FORMAT=${2:-"-B1"} # -B1 for bytes -h for humanreadable
local FREESPACE
if [[ -d $FILENAME ]]; then
#FREESPACE=$(df "$FILENAME" -B1 --output=avail | grep -v Avail)
FREESPACE=$(df "$FILENAME" -B1 --output=avail | tr -cd '[[:digit:]]' )
ES=$?
else
#FREESPACE=$(df $(dirname "$FILENAME") -B1 --output=avail | grep -v Avail)
FREESPACE=$(df $(dirname "$FILENAME") -B1 --output=avail | tr -cd '[[:digit:]]' )
ES=$?
fi
if (( $ES )) ; then
return $ES
fi
if [[ $FORMAT = -h ]]; then
FREESPACE=$(get_bytes $FREESPACE -h)
fi
echo $FREESPACE
}
file_image_size() {
local INFILE="$1"
local HUMAN=${2:-"no"} # or -h
case $(file_ext "$INFILE") in
img | iso) SIZE_BYTES=$(echo $(( $(ls -s "$INFILE" | cut -d' ' -f1 ) * 1024 )) ) ;;
zip) SIZE_BYTES=$(zipinfo -t "$INFILE" 2> /dev/null | grep "%" | cut -d, -f2 | cut -d" " -f2 ) ;;
xz) SIZE_BYTES=$(xz -l -v "$INFILE" 2> /dev/null | grep Uncompressed | sed 's/\s\s*/ /g' | cut -d'(' -f 2 | cut -d ' ' -f1 | sed 's/,//g') ;;
gz) SIZE_BYTES=$(pigz -l "$INFILE" 2> /dev/null | grep -v compressed | sed 's/\s\s*/ /g' | sed -e 's/^[ \t]*//' | cut -d' ' -f 2 | sed 's/?/0/g') ;;
# gz) SIZE_BYTES=$(pigz -l "$INFILE" 2> /dev/null | grep -v compressed | sed 's/\s\s*/ /g' | sed -e 's/^[ \t]*//' | cut -d' ' -f 2 ) ;;
zst) SIZE_BYTES=$(zstd -v -l "$INFILE" 2> /dev/null | grep Decompressed | cut -d"(" -f2 | cut -d" " -f1) ;;
*) echo 0
return 1 ;;
esac
if [[ -z $SIZE_BYTES ]] ; then
echo 0
return
fi
if [[ $HUMAN = -h ]]; then
echo $(get_bytes $SIZE_BYTES -h)
else
echo $SIZE_BYTES
fi
}
file_list_image_files(){
# local DIR=$1
local DIR=$DEFAULT_PATH
OLD_PWD=$(pwd)
cd $DIR
FILES="FILE_NAME FILE_SIZE (IMAGE_SIZE) \n"
IFS=$'\t\n'
for FILE in $(ls *.img *.zip *.xz *.gz *.zst *.iso 2>/dev/null) ; do
FILE_NS=$(echo "$FILE" | sed 's/ /_/g')
FILES="$FILES $FILE_NS $(file_size "$FILE" -h) ($(file_image_size "$FILE" -h)) \n "
done
printf $FILES | column -t
unset IFS
cd $OLD_PWD
}
file_path(){
dirname "$*"
}
file_size() {
local FILE="$1"
local HUMAN=${2:-"no"}
# $2 can be -h
if [[ -f "$FILE" ]] ; then
SIZE_BYTES="$(($(ls -s "$FILE" | cut -d' ' -f1) * 1024))"
if (( $? )); then
return 1
fi
if [[ $HUMAN = -h ]]; then
echo $(get_bytes $SIZE_BYTES -h)
else
echo $SIZE_BYTES
fi
else
echo 0
fi
}