334 lines
9.9 KiB
Nix
334 lines
9.9 KiB
Nix
{ pkgs, lib
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# tzselect is your frind do find timezones
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, timeZones ? []
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, timeColor ? 9
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, timeZoneColor ? 10
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, calBackgroundColor ? 10
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, calWeekColor ? 13
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, calDayColor ? 9
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, enableIntelBacklight ? true
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, enableBattery ? true
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, ... }:
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let
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hrule = ''
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hrule_cols=$(${pkgs.ncurses}/bin/tput cols)
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hrule_index=0
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while [ $hrule_index -lt $hrule_cols ]
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do
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echo -n '─'
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hrule_index=$(( 1 + $hrule_index ))
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done
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echo
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'';
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q-cal = let
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# Maximum width of cal's output.
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calwidth = 23;
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# Number of space characters between two calendars.
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hspace = 2;
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# Return number of columns required to print n calenders side by side.
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need_width = n:
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assert n >= 1;
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n * calwidth + (n - 1) * hspace;
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lpad = n: c: s:
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if lib.stringLength s < n
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then lpad n c (c + s)
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else s;
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pad = ''{
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${pkgs.gnused}/bin/sed '
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# rtrim
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s/ *$//
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# delete last empty line
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''${/^$/d}
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' \
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| ${pkgs.gawk}/bin/awk '{printf "%-${toString calwidth}s\n", $0}' \
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| ${pkgs.gnused}/bin/sed "
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# colorize header
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1,2s/.*/[38;5;${toString calBackgroundColor}m&[39;22m/
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# highlight current week
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s/^$(${pkgs.coreutils}/bin/date +%W)/[38;5;${toString calWeekColor}m&[39;22m/
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# colorize week number
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s/^[ 1-9][0-9]/[38;5;${toString calBackgroundColor}m&[39;22m/
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"
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}'';
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in ''
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cols=$(${pkgs.ncurses}/bin/tput cols)
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${pkgs.coreutils}/bin/paste \
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<(if test $cols -ge ${toString (need_width 3)}; then
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${pkgs.utillinux}/bin/cal -mw \
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$(${pkgs.coreutils}/bin/date +'%m %Y' -d 'last month') \
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| ${pad}
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fi) \
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<(if test $cols -ge ${toString (need_width 1)}; then
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${pkgs.utillinux}/bin/cal -mw \
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| ${pkgs.gnused}/bin/sed '
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# colorize day of month
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s/\(^\| \)'"$(${pkgs.coreutils}/bin/date +%e)"'\>/[38;5;${toString calDayColor}m&[39;22m/
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' \
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| ${pad}
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fi) \
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<(if test $cols -ge ${toString (need_width 2)}; then
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${pkgs.utillinux}/bin/cal -mw \
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$(${pkgs.coreutils}/bin/date +'%m %Y' -d 'next month') \
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| ${pad}
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fi) \
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| ${pkgs.gnused}/bin/sed '
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s/^\t//
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s/\t$//
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s/\t/${lpad hspace " " ""}/g
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'
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'';
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q-timeZoneDate = zone:
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let dateString = comment: '' '+[1m%Y-%m-%d[;38;5;0mT[;38;5;${toString timeColor}m%H:%M[m:%S[;38;5;${toString timeZoneColor}m%:z[m ${comment}' '';
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timeZoneVariable = lib.optionalString (zone != null) "TZ=${zone}";
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comment = lib.optionalString (zone != null) " : ${zone}";
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in /* sh */ ''
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${timeZoneVariable} ${pkgs.coreutils}/bin/date ${dateString comment}
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'';
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q-timeZoneDates = if timeZones == [] then
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q-timeZoneDate null
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else
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lib.concatMapStringsSep "\n" q-timeZoneDate timeZones;
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q-gitdir = ''
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if test -d .git; then
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#git status --porcelain
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branch=$(
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${pkgs.git}/bin/git branch \
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| ${pkgs.gnused}/bin/sed -rn 's/^\* (.*)/\1/p'
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)
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echo "± $LOGNAME@''${HOSTNAME-$(${pkgs.nettools}/bin/hostname)}:$PWD .git $branch"
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fi
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'';
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q-intel_backlight = ''
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cd /sys/class/backlight/intel_backlight
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</dev/null exec ${pkgs.gawk}/bin/awk '
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END {
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getline actual_brightness < "actual_brightness"
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getline max_brightness < "max_brightness"
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getline brightness < "brightness"
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printf "%20s │ %d%% %d/%d\n" \
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, "intel_backlight" \
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, actual_brightness / max_brightness * 100 \
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, actual_brightness \
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, max_brightness
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}
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'
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'';
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q-power_supply = let
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power_supply = pkgs.writers.writeBash "power_supply" ''
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set -efu
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uevent=$1
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eval "$(${pkgs.gnused}/bin/sed -n '
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s/^\([A-Z_]\+=[0-9A-Za-z_-]*\)$/export \1/p
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' $uevent)"
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case $POWER_SUPPLY_NAME in
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AC)
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exit # not battery
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;;
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esac
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exec </dev/null
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exec ${pkgs.gawk}/bin/awk '
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function die(s) {
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printf "%20s │ %s\n", name, s
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exit 1
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}
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function print_hm(h, m) {
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m = (h - int(h)) * 60
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return sprintf("%dh%dm", h, m)
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}
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function print_bar(bar_size, charge, full_bars, empty_bars, full_color) {
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full_bars = int(charge * bar_size)
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empty_bars = bar_size - full_bars
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if (charge >= .42) full_color = "2"
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else if (charge >= .23) full_color = "3"
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else full_color = "1"
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left_arrow = 1
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middle_arrow = 1
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right_arrow = 1
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if (full_bars == 0) {
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left_arrow = 0
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middle_arrow = 0
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}
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if (empty_bars == 0) {
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middle_arrow = 0
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right_arrow = 0
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}
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empty_color = "0";
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return sgr("38;5;" 8) sgr("48;5;" full_color) strdup("",left_arrow) strdup(" ", full_bars) sgr("48;5;" empty_color) sgr("38;5;" full_color) strdup("",middle_arrow) strdup(" ", empty_bars) sgr() sgr("38;5;" empty_color) strdup("",right_arrow) sgr()
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}
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function sgr(p) {
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return "\x1b[" p "m"
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}
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function strdup(s,n,t) {
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t = sprintf("%"n"s","")
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gsub(/ /,s,t)
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return t
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}
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END {
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name = ENVIRON["POWER_SUPPLY_NAME"]
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charge_unit = "Ah"
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charge_now = ENVIRON["POWER_SUPPLY_CHARGE_NOW"] / 10^6
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charge_full = ENVIRON["POWER_SUPPLY_CHARGE_FULL"] / 10^6
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current_unit = "A"
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current_now = ENVIRON["POWER_SUPPLY_CURRENT_NOW"] / 10^6
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energy_unit = "Wh"
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energy_now = ENVIRON["POWER_SUPPLY_ENERGY_NOW"] / 10^6
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energy_full = ENVIRON["POWER_SUPPLY_ENERGY_FULL"] / 10^6
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power_unit = "W"
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power_now = ENVIRON["POWER_SUPPLY_POWER_NOW"] / 10^6
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voltage_unit = "V"
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voltage_now = ENVIRON["POWER_SUPPLY_VOLTAGE_NOW"] / 10^6
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voltage_min_design = ENVIRON["POWER_SUPPLY_VOLTAGE_MIN_DESIGN"] / 10^6
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#printf "charge_now: %s\n", charge_now
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#printf "charge_full: %s\n", charge_full
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#printf "current_now: %s\n", current_now
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#printf "energy_now: %s\n", energy_now
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#printf "energy_full: %s\n", energy_full
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#printf "energy_full: %s\n", ENVIRON["POWER_SUPPLY_ENERGY_FULL"]
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#printf "energy_full: %s\n", ENVIRON["POWER_SUPPLY_ENERGY_FULL"] / 10^6
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#printf "power_now: %s\n", power_now
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#printf "voltage_now: %s\n", voltage_now
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if (current_now == 0 && voltage_now != 0) {
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current_now = power_now / voltage_now
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}
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if (power_now == 0) {
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power_now = current_now * voltage_now
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}
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if (charge_now == 0 && voltage_min_design != 0) {
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charge_now = energy_now / voltage_min_design
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}
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if (energy_now == 0) {
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energy_now = charge_now * voltage_min_design
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}
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if (charge_full == 0 && voltage_min_design != 0) {
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charge_full = energy_full / voltage_min_design
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}
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if (energy_full == 0) {
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energy_full = charge_full * voltage_min_design
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}
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if (charge_now == 0 || charge_full == 0) {
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die("unknown charge")
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}
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charge_ratio = charge_now / charge_full
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out = out sprintf("%20s │", name)
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out = out sprintf(" %s", print_bar(10, charge_ratio))
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out = out sprintf(" %d%", charge_ratio * 100)
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out = out sprintf(" %.2f%s", charge_now, charge_unit)
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if (current_now != 0) {
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out = out sprintf("/%.1f%s", current_now, current_unit)
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}
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out = out sprintf(" %d%s", energy_full, energy_unit)
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if (power_now != 0) {
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out = out sprintf("/%.1f%s", power_now, power_unit)
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}
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if (current_now != 0) {
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out = out sprintf(" %s", print_hm(charge_now / current_now))
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}
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print out
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}
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'
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'';
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in ''
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for uevent in /sys/class/power_supply/*/uevent; do
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${power_supply} "$uevent" || :
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done
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'';
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q-virtualization = ''
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printf '%20s │ %s\n' "VT" \
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$(${pkgs.systemd}/bin/systemd-detect-virt)
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'';
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q-wireless = ''
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for dev in $(
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${pkgs.iw}/bin/iw dev \
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| ${pkgs.gnused}/bin/sed -n 's/^\s*Interface\s\+\([0-9a-z]\+\)$/\1/p'
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); do
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inet=$(${pkgs.iproute}/bin/ip addr show $dev \
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| ${pkgs.gnused}/bin/sed -n '
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s/.*inet \([0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\).*/\1/p
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') \
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|| unset inet
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ssid=$(${pkgs.iw}/bin/iw dev $dev link \
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| ${pkgs.gnused}/bin/sed -n '
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s/.*\tSSID: \(.*\)/\1/p
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') \
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|| unset ssid
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printf '%20s │ %s %s\n' $dev ''${inet+ $inet} ''${ssid+ $ssid}
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done
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'';
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q-online = ''
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if ${pkgs.curl}/bin/curl -s google.com >/dev/null; then
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echo ' status │ [32;1monline[m'
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else
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echo ' status │ offline '
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fi
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'';
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q-thermal_zone = ''
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for i in /sys/class/thermal/thermal_zone*; do
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type=$(${pkgs.coreutils}/bin/cat $i/type)
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temp=$(${pkgs.coreutils}/bin/cat $i/temp)
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printf '%20s │ %s°C\n' $type $(echo $temp / 1000 | ${pkgs.bc}/bin/bc)
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done
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'';
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q-task-active = ''
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${pkgs.taskwarrior}/bin/task export +ACTIVE status:pending | ${pkgs.jq}/bin/jq --raw-output '.[] | "⇒ \(.id) \(.description)"'
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'';
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in
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# bash needed for <(...)
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pkgs.writers.writeBashBin "q" ''
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set -eu
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export PATH=/var/empty
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${hrule}
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${q-cal}
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${hrule}
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${q-timeZoneDates}
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${hrule}
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${lib.optionalString enableIntelBacklight "(${q-intel_backlight}) &"}
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${lib.optionalString enableBattery "(${q-power_supply}) &"}
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(${q-virtualization}) &
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(${q-wireless}) &
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(${q-online}) &
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(${q-thermal_zone}) & wait
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${hrule}
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${q-task-active}
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${hrule}
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''
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