pfetch

#!/bin/bash
#It's probably okay to suppress errors from a fetch script.
exec 2> /dev/null
#Show terminal colors
pcs() {
  local mode="$1"   # "" or "bright"
  local base=30
  [[ "$mode" == "bright" ]] && base=90
  for i in {0..7}; do printf "\e[$((base+i))m██\e[0m "; done
}

pcb() {
  local mode="$1"   # "" or "bright"
  local base=40
  [[ "$mode" == "bright" ]] && base=100
  for i in {0..7}; do printf "\e[$((base+i))m  \e[0m "; done
}

# Main information fetching
host="$(hostname)"
os=$(grep "PRETTY_NAME" /etc/os-release|awk -F '"' 'NF>2{print $2}')
kernel="$(uname -sr)"
uptime="$(uptime -p|sed 's/up //')"
shell="$(basename ${SHELL})"
wm=$(xprop -id $(xprop -root _NET_SUPPORTING_WM_CHECK|cut -d\# -f2) -f _NET_WM_NAME 8t|awk -F\" 'NF>2{print $2}')
cpu="$(awk -F: '/name/ {print $2;exit}' /proc/cpuinfo) ($(nproc))"
ram="$(free -hm|grep Mem:|awk '{print $3" / "$2}')"
packages=$(($(pacman -Qq|wc -l)+\
  $(rpm -qa|wc -l)+\
  $(dpkg -l|wc -l)+\
  $(find /var/db/pkg/ -type d|wc -l)+\
  $(apk info|wc -l)+\
  $(pkg_info|wc -l)))

if [ -z "${wm}" ]; then
  if [ "${XDG_CURRENT_DESKTOP}" ]; then
    wm="${XDG_CURRENT_DESKTOP}"
  elif [ "${DESKTOP_SESSION}" ]; then
    wm="${DESKTOP_SESSION}"
  else
    wm="$(tail -n 1 "${HOME}/.xinitrc" | cut -d ' ' -f 2)"
  fi
fi

# attributes
bc="$(tput bold)"         # bold on
rc="$(tput sgr0)"         # reset
ul="$(tput smul)"         # underline on
lu="$(tput rmul)"         # underline off

# normal 0..7 (foreground/background)
c0="$(tput setaf 0)"; c1="$(tput setaf 1)"; c2="$(tput setaf 2)"; c3="$(tput setaf 3)"
c4="$(tput setaf 4)"; c5="$(tput setaf 5)"; c6="$(tput setaf 6)"; c7="$(tput setaf 7)"
bc0="$(tput setab 0)"; bc1="$(tput setab 1)"; bc2="$(tput setab 2)"; bc3="$(tput setab 3)"
bc4="$(tput setab 4)"; bc5="$(tput setab 5)"; bc6="$(tput setab 6)"; bc7="$(tput setab 7)"

# true BRIGHT 90..97 / 100..107 (not bold!)
C0=$'\e[90m'; C1=$'\e[91m'; C2=$'\e[92m'; C3=$'\e[93m'
C4=$'\e[94m'; C5=$'\e[95m'; C6=$'\e[96m'; C7=$'\e[97m'
BC0=$'\e[100m'; BC1=$'\e[101m'; BC2=$'\e[102m'; BC3=$'\e[103m'
BC4=$'\e[104m'; BC5=$'\e[105m'; BC6=$'\e[106m'; BC7=$'\e[107m'

# label/identity colors
lc="${C5}"          # labels (bright magenta)
nc="${ul}${C5}"     # user@host (underlined bright magenta)
ic="${rc}"          # info (default fg)

#Draw ascii art and print fetch
cat << EOF
 $bc$C7       $rc         $nc$USER$ic@$nc$host$rc
 $bc$C7    ▄▄▄$rc         ${lc}OS:       $ic$os$rc
 $bc$C7 ▄█████▄▄ $rc      ${lc}KERNEL:   $ic$kernel
 $bc$C7███$BC6▀▀▀▀$bc0▀$BC6▀$bc0▀$BC6▀$rc     ${lc}UPTIME:   $ic$uptime
 $bc$C7███$BC6▄   $c0▀ ▀$rc$C6▀$rc     ${lc}PACKAGES: $ic$packages
 $bc$C7 ▄$BC6  $rc$bc$C7█████▄ $rc$C1█▄$rc   ${lc}SHELL:    $ic$shell
 $rc$C1▀▀$rc$bc$BC1$C7▄$BC6▄   $BC1▄▄▄$rc$C1▀██▀$rc  ${lc}WM:       $ic$wm
 $bc$C7 ██▀▀▀██▀  $rc$C1▀$rc    ${lc}CPU:     $ic$cpu$rc
 $bc$C7 ▀▀▀▀ ▀▀▀▀$rc      ${lc}RAM:      $ic$ram$rc
EOF

# Show terminal colors
printf "%s\n%s\n\n" "$(pcs)" "$(pcs bright)"