ASCII-Pony/systempony
2016-04-22 20:14:26 +01:00

392 lines
8.5 KiB
Bash
Executable file

#!/bin/bash
# These global variables can be overridden by config
# Name of the pony
PONY=random
# What info to show (must have a function defined as ponyget_* to work)
INFO=(User Hostname Distro Kernel Uptime Load Shell Packages RAM Swap Disk)
# File system type to show disk usage (default/empty=all) (see df for specific values)
FSTYPE=
function ponyget_Shell()
{
grep $USER /etc/passwd | cut -f7 -d:
}
function ponyget_User()
{
whoami
}
function ponyget_Distro()
{
lsb_release -isr | paste "-d " - -
}
function pccolor()
{
local color="32";
if [ "$1" -gt 66 ]
then
color="31"
elif [ "$1" -gt 33 ]
then
color="33"
fi
echo -e "\x1b[$color;1m"
}
function ponyget_RAM()
{
local ramtable=$(free -h | head -n -1)
local used=$(echo "$ramtable" | tail -n 1 | sed -r "s/ +/\t/g" | cut -f 3)
local total=$(echo "$ramtable" | sed -n 2p | sed -r "s/ +/\t/g" | cut -f 2)
ramtable=$(free -m | head -n -1)
local used_M=$(echo "$ramtable" | tail -n 1 | sed -r "s/ +/\t/g" | cut -f 3)
local total_M=$(echo "$ramtable" | sed -n 2p | sed -r "s/ +/\t/g" | cut -f 2)
let percent="$used_M * 100 / $total_M"
echo -e "$(pccolor $percent)$used\x1b[0m / $total"
}
function ponyget_Swap()
{
local swaptable=$(free -h | grep Swap)
local used=$(echo "$swaptable" | sed -r "s/ +/\t/g" | cut -f 3)
local total=$(echo "$swaptable" | sed -r "s/ +/\t/g" | cut -f 2)
swaptable=$(free -m | grep Swap)
local used_M=$(echo "$swaptable" | sed -r "s/ +/\t/g" | cut -f 3)
local total_M=$(echo "$swaptable" | sed -r "s/ +/\t/g" | cut -f 2)
let percent="$used_M * 100 / $total_M"
echo -e "$(pccolor $percent)$used\x1b[0m / $total"
}
function ponyget_Kernel()
{
uname -r -m
}
function ponyget_Hostname()
{
hostname
}
function ponyget_CPU()
{
cat /proc/cpuinfo | grep "model name" | head -n 1 | sed -r "s/model name\s: //"
}
function ponyget_CPU_Usage()
{
printf %.1f%% "$(top -b -n1 | grep "Cpu(s):" | sed -r -e "s/^[^0-9]+//" -e "s/[^0-9]+,\s+/ + /g" -e "s/[^0-9]+$//" | cut -d ' ' -f 1-5 | bc)"
}
function ponyget_Uptime()
{
uptime | grep -oE "up.*user" | \
sed -r -e "s/up\s*(.+),\s*[0-9]+\s*user/\1/" -e "s/\s+/ /g"
}
function ponyget_Load()
{
uptime | sed -r -e "s/.*load average:\s*//"
}
function ponyget_Packages()
{
if which dpkg &>/dev/null
then
dpkg --get-selections | grep -v deinstall | wc -l
elif which rpm &>/dev/null
then
rpm -qa | wc -l
elif which pacman &>/dev/null
then
pacman -Q | wc -l
fi
}
function ponyget_Disk()
{
local dfoption=$FSTYPE
[ "$dfoption" ] && dfoption="-t $FSTYPE"
local diskusage=$(df -lh $dfoption --total | tail -n 1 | sed -r "s/ +/\t/g" )
local used=$(echo "$diskusage" | cut -f 3)
local total=$(echo "$diskusage" | cut -f 2)
local percent=$(echo "$diskusage" | cut -f 5 | sed s/%// )
echo -e "$(pccolor $percent)$used\x1b[0m / $total"
}
function ponyget_Containers()
{
local active="$(lxc-ls --active | wc -l)"
local total="$(lxc-ls | wc -l)"
local color=32
if [ "$active" -lt "$total" ]
then
color=31
fi
echo -e "\x1b[$color;1m$active\x1b[0m / $total active"
}
function bold()
{
echo -en "\x1b[1m${*}\x1b[22m"
}
function underline()
{
echo -en "\x1b[4m${*}\x1b[24m"
}
function title()
{
echo
bold ${*}
echo
}
function help()
{
title NAME
echo -e "\t$(bold $0) - show a pony and some system information"
title SYNOPSIS
echo -e "\t$(bold $0) [$(bold --pony) $(underline pony)|$(bold -p=)$(underline pony)] [$(bold --info) $(underline id)|$(bold -i=)$(underline id)...]"
echo -e "\t$(bold $0) $(bold help)|$(bold --help)|$(bold -h)"
title OPTIONS
echo -e "\t$(bold --pony) $(underline pony), $(bold -p=)$(underline pony)"
echo -e "\t\tSelect a pony (default: $PONY)."
echo
echo -e "\t$(bold --info) $(underline id), $(bold -i=)$(underline id)"
echo -e "\t\tShow the given info (default: ${INFO[@]})."
echo -e "\t\tThis option supports multiples IDs separated by commas, spaces or colons."
echo -e "\t\tAvailable IDs:"
declare -F | grep ponyget_ | sed "s/declare -f ponyget_/\t\t * /"
echo
echo -e "\t$(bold --list), $(bold --list-ponies)"
echo -e "\t\tShows a list of possible values for $(bold --pony)."
title CONFIGURATION
echo -e "\tYou can override $(bold PONY) and $(bold INFO) in the config files."
echo -e "\tConfiguration files:"
echo -e "\t * $(underline PREFIX)$(bold /share/ascii-pony/systempony.conf) (system)"
echo -e "\t * $(bold ~/.systempony) (user)"
echo
}
function list_ponies()
{
ponydir=$(get_data_file "rendered/ansi/")
echo random
find "$ponydir" -name '*.colored.txt' -exec basename {} .colored.txt \; | sort
}
function select_info()
{
INFO=($(echo "${*}" | column -t -s:,))
}
SELFDIR=$(dirname $(readlink -se "${BASH_SOURCE[0]}"))
function get_data_file()
{
if [ -e "$SELFDIR/$1" ]
then
# Not installed
echo "$SELFDIR/$1"
elif [ -e "$SELFDIR/../share/ascii-pony/$1" ]
then
# Installed with PREFIX=$SELFDIR/..
echo "$SELFDIR/../share/ascii-pony/$1"
fi
}
# Returns the number of displayed characters, ignoring color codes
function strlen_color()
{
echo -n "$1" | sed -r 's/\x1b\[[0-9;]+m//g' | wc -c
}
# Truncates a string
function truncate_color()
{
local length="$(strlen_color "$1")"
local target="$2"
if [ "$length" -gt "$target" ]
then
let cut="$target-$length"
echo -n "$1" | head -c $cut
return
fi
echo "$1"
}
# Read global config
globalconfig=$(get_data_file systempony.conf)
if [ -r "$globalconfig" ]
then
source "$globalconfig"
fi
# Read user config
if [ -r ~/.systempony ]
then
source ~/.systempony
fi
# Read parameters
while [ "$1" ]
do
case "$1" in
--help|-h|help)
help
exit 0
;;
--list|--list-ponies)
list_ponies
exit 0
;;
--pony)
shift
PONY=$1
;;
-p=*)
PONY=$(echo "$1" | sed "s/-p=//")
;;
--info)
infostring=""
while [ "$2" ] && ! echo "$2" | grep -q -e "-"
do
infostring="$infostring $2"
shift
done
select_info $infostring
;;
-i=*)
select_info "$(echo "$1" | sed "s/-i=//")"
;;
esac
shift
done
# Evaluate info
info_values=()
let info_key_max_length=0
let info_val_max_length=0
function addinfo()
{
info_values+=("${2}")
local key_length=$(echo "$1" | wc -c)
local val_length=$(echo "${2}" | wc -c)
[ $key_length -gt $info_key_max_length ] && info_key_max_length=$key_length;
[ $val_length -gt $info_val_max_length ] && info_val_max_length=$val_length;
}
for info in ${INFO[*]}
do
if [ "$(type -t ponyget_${info})" = "function" ]
then
addinfo $info "$(ponyget_${info})"
else
addinfo $info "unsupported"
fi
done
if [ "$PONY" = nopony ]
then
ponyfile=/dev/null
else
ponydir=$(get_data_file "rendered/ansi/")
ponyfile="$ponydir/$PONY.colored.txt"
if [ -n "$ponydir" -a '(' \! -f "$ponyfile" -o "$PONY" = random ')' ]
then
ponyfile="$(find "$ponydir" -name '*.colored.txt' | shuf | head -n 1)"
fi
fi
declare -A info_firstx # Number of characters before the system info output
info_firstx[applejack-nohat]=64
info_firstx[applejack]=70
info_firstx[bigmac]=42
info_firstx[celestia]=76
info_firstx[cadance]=55
info_firstx[derpy]=61
info_firstx[fluttershy]=67
info_firstx[great-and-powerful]=68
info_firstx[luna]=67
info_firstx[lyra]=61
info_firstx[pinkie-pie]=61
info_firstx[rainbow-dash]=61
info_firstx[rainbow]=61
info_firstx[rarity]=61
info_firstx[rose]=61
info_firstx[trixie]=61
info_firstx[twilight-alicorn]=61
info_firstx[twilight-unicorn]=61
info_firstx[vinyl-scratch-glasses]=69
info_firstx[vinyl-scratch-noglasses]=69
declare -A info_firsty # Number of lines before the system info output
info_firsty[luna]=18
info_firsty[rarity]=11
info_firsty[trixie]=16
if [ -f "$ponyfile" ]
then
lines=$(cat "$ponyfile" | wc -l) # cat to avoid printing file name
let info_index=0
COLUMNS=$(tput cols)
if [ "${info_firstx[$PONY]}" ]
then
info_x=${info_firstx[$PONY]}
else
info_x=80
fi
if [ "${info_firsty[$PONY]}" ]
then
start_line=${info_firsty[$PONY]}
else
let start_line=($lines-${#INFO[@]})/2
fi
let current_line=1
while IFS= read -r line
do
if [ $info_index -lt ${#INFO[@]} -a $current_line -ge $start_line ]
then
let msgsize="$COLUMNS - $info_x - $info_key_max_length - 4"
line="$(truncate_color "$line" $info_x)"
printf "%s \x1b[31;1m%-${info_key_max_length}s\x1b[0m: %s %s\n" \
"$line$backspaces" \
"${INFO[$info_index]}" \
"$(truncate_color "${info_values[$info_index]}" $msgsize)"
let info_index++
else
echo -n "$line"
echo -e "\x1b[0m"
fi
let current_line++
done < "$ponyfile"
else
let info_index=0
while [ $info_index -lt ${#INFO[@]} ]
do
printf "\x1b[31;1m%-${info_key_max_length}s\x1b[0m: %s\n" \
"${INFO[$info_index]}" \
"${info_values[$info_index]}"
let info_index++
done
fi