zfetch.sh

#!/bin/sh

#    zfetch - a fast but pretty fetch script
#    Copyright (C) 2022 jornmann
#
#    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/>.

# shellcheck source=/dev/null
# shellcheck disable=SC2059

# variables used: $NAME
# we do a check to see if $NAME is already set, if not, we try to detect OS
# ourselves
if [ "$NAME" = "" ]; then
	. /etc/os-release 2>/dev/null || export NAME="Unknown"
fi

# nc = no color
nc="\033[0m"

# logos

if echo $NAME | grep -q 'Arch'; then
	dscolor="\033[0;36m" # cyan
	dslogo1="         "
	dslogo2="   /\\    "
	dslogo3="  /' \\   "
	dslogo4=" /_--_\\  "
	dslogo5="         "
	dslogo6="         "
elif echo $NAME | grep -q 'Artix'; then
	dscolor="\033[0;36m" # cyan
	dslogo1="         "
	dslogo2="   /\\    "
	dslogo3="  /'-_   "
	dslogo4=" /_-'_\\  "
	dslogo5="         "
	dslogo6="         "
elif echo $NAME | grep -q 'Zorin'; then
	dscolor="\033[0;36m" # cyan
	dslogo1="  ....   "
	dslogo2=" ...  .  "
	dslogo3=" .  ...  "
	dslogo4="  ....   "
	dslogo5="         "
	dslogo6="         "
elif echo $NAME | grep -q 'Gentoo'; then
	dscolor="\033[0;35m" # purple
	dslogo1="         "
	dslogo2="   ---   "
	dslogo3="  \\ 0 \\  "
	dslogo4="  /__/   "
	dslogo5="         "
	dslogo6="         "
elif echo $NAME | grep -q 'Debian'; then
	dscolor="\033[0;31m" # red
	dslogo1="         "
	dslogo2="   -^-   "
	dslogo3="  ( @,)  "
	dslogo4="  '-_    "
	dslogo5="         "
	dslogo6="         "
elif echo $NAME | grep -q 'donut'; then
	dscolor="\033[0;36m" # red
	dslogo1="   \$\$\$    "
	dslogo2=" \$##=##\$  "
	dslogo3="!!:. .:!! "
	dslogo4=" \$##@##\$  "
	dslogo5="   \$\$\$    "
	dslogo6="          "
elif echo $NAME | grep -q 'openSUSE'; then
	dscolor="\033[0;32m" # green
	dslogo1="         "
	dslogo2="    __   "
	dslogo3="  /~_')  "
	dslogo4="  @' '   "
	dslogo5="         "
	dslogo6="         "
elif echo $NAME | grep -q 'Fedora'; then
	dscolor="\033[0;34m" # blue
	dslogo1="         "
	dslogo2="   /'')  "
	dslogo3=" .-''-.  "
	dslogo4=" '-..-'  "
	dslogo5=" (__/    "
	dslogo6="         "
elif echo $NAME | grep -q 'Mint'; then
	dscolor="\033[0;32m" # blue
	dslogo1="         "
	dslogo2=" || -.-  "
	dslogo3=" ||_|||  "
	dslogo4=" \\____/  "
	dslogo5="         "
	dslogo6="         "
elif echo $NAME | grep -q 'MX'; then
	dscolor="\033[0;37m" # white
	dslogo1="         "
	dslogo2="   \\/    "
	dslogo3="   /\\    "
	dslogo4="  /\\ \\   "
	dslogo5=" /__\\/\\  "
	dslogo6="         "
else
	dscolor="\033[0;37m" # white
	dslogo1="         "
	dslogo2="  ('' )  "
	dslogo3="  |() |  "
	dslogo4="  (^(^)  "
	dslogo5="         "
	dslogo6="         "
fi


# source the config file
if [ "$colorsoff" = "" ]; then
	colorsoff=0
fi

[ -e /etc/zfetchrc ] && . /etc/zfetchrc 2> /dev/null
[ -e ~/.zfetchrc ] && . ~/.zfetchrc 2> /dev/null

# command line parameters
if [ "$arg" = "" ]; then
	arg=""
elif [ "$arg" = "nologo" ]; then
	unset dslogo
elif [ "$arg" = "nofetch" ]; then
	printf "${dscolor}${dslogo1}\n${dslogo2}\n${dslogo3}\n${dslogo4}\n${dslogo5}\n${dslogo6}\n${nc}"
	exit
fi

# the meat and potatoes, actual fetch

host=$(cat /proc/sys/kernel/hostname)
kernel=$(sed "s/version // ; s/ (.*//" /proc/version)
uptime=$(uptime -p 2>/dev/null | sed "s/up //")
shell=$(printf "$SHELL" | sed "s/\/bin\///" | sed "s/\/usr//")

printf "${dscolor}${dslogo1}$USER@$host\n"
printf "${dscolor}${dslogo2}OS     ${nc} $NAME\n"
printf "${dscolor}${dslogo3}Kernel ${nc} $kernel\n"
printf "${dscolor}${dslogo4}Uptime ${nc} $uptime\n"
printf "${dscolor}${dslogo5}Shell  ${nc} $shell\n"

if [ "$colorsoff" != 1 ]; then
	printf "${dslogo6}\033[0;31m● \033[0;32m● \033[0;33m● \033[0;34m● \033[0;35m● \033[0;36m● \033[0;37m●\033[0m\n"
fi