ufetch-nixos

   1 #!/bin/sh
   2 #
   3 # ufetch-nixos - tiny system info for nixos
   4
   5 ## INFO
   6
   7 # user is already defined
   8 host="$(hostname)"
   9 os="$(nixos-version)"
  10 kernel="$(uname -sr)"
  11 uptime="$(uptime | awk -F, '{sub(".*up ",x,$1);print $1}' | sed -e 's/^[ \t]*//')"
  12 packages="$(ls -d -1 /nix/store/*/ | wc -l)"
  13 shell="$(basename "${SHELL}")"
  14
  15 ## UI DETECTION
  16
  17 parse_rcs() {
  18         for f in "${@}"; do
  19                 wm="$(tail -n 1 "${f}" 2> /dev/null | cut -d ' ' -f 2)"
  20                 [ -n "${wm}" ] && echo "${wm}" && return
  21         done
  22 }
  23
  24 rcwm="$(parse_rcs "${HOME}/.xinitrc" "${HOME}/.xsession")"
  25
  26 ui='unknown'
  27 uitype='UI'
  28 if [ -n "${DE}" ]; then
  29         ui="${DE}"
  30         uitype='DE'
  31 elif [ -n "${WM}" ]; then
  32         ui="${WM}"
  33         uitype='WM'
  34 elif [ -n "${XDG_CURRENT_DESKTOP}" ]; then
  35         ui="${XDG_CURRENT_DESKTOP}"
  36         uitype='DE'
  37 elif [ -n "${DESKTOP_SESSION}" ]; then
  38         ui="${DESKTOP_SESSION}"
  39         uitype='DE'
  40 elif [ -n "${rcwm}" ]; then
  41         ui="${rcwm}"
  42         uitype='WM'
  43 elif [ -n "${XDG_SESSION_TYPE}" ]; then
  44         ui="${XDG_SESSION_TYPE}"
  45 fi
  46
  47 ui="$(basename "${ui}")"
  48
  49 ## DEFINE COLORS
  50
  51 # probably don't change these
  52 if [ -x "$(command -v tput)" ]; then
  53         bold="$(tput bold 2> /dev/null)"
  54         black="$(tput setaf 0 2> /dev/null)"
  55         red="$(tput setaf 1 2> /dev/null)"
  56         green="$(tput setaf 2 2> /dev/null)"
  57         yellow="$(tput setaf 3 2> /dev/null)"
  58         blue="$(tput setaf 4 2> /dev/null)"
  59         magenta="$(tput setaf 5 2> /dev/null)"
  60         cyan="$(tput setaf 6 2> /dev/null)"
  61         white="$(tput setaf 7 2> /dev/null)"
  62         reset="$(tput sgr0 2> /dev/null)"
  63 fi
  64
  65 # you can change these
  66 lc="${reset}${bold}${blue}"         # labels
  67 nc="${reset}${bold}${blue}"         # user and hostname
  68 ic="${reset}"                       # info
  69 c0="${reset}${blue}"                # first color
  70 c1="${reset}${bold}${blue}"         # second color
  71
  72 ## OUTPUT
  73
  74 sed 's/\\/\\\\/g' <<EOF
  75
  76 ${c0}    \\   ${c1}\\ //    ${nc}${USER}${ic}@${nc}${host}${reset}
  77 ${c0}   ==\\___${c1}\\/ ${c0}//  ${lc}OS:        ${ic}${os}${reset}
  78 ${c1}     //    \\${c0}//   ${lc}KERNEL:    ${ic}${kernel}${reset}
  79 ${c1}  ==//      ${c0}//==  ${lc}UPTIME:    ${ic}${uptime}${reset}
  80 ${c1}   //${c0}\\${c1}____${c0}//     ${lc}PACKAGES:  ${ic}${packages}${reset}
  81 ${c1}  // ${c0}/\\   ${c1}\\==   ${lc}SHELL:     ${ic}${shell}${reset}
  82 ${c0}    // \\   ${c1}\\    ${lc}${uitype}:        ${ic}${ui}${reset}
  83
  84 EOF