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|
{ pkgs, ... }:
let
q-cal = let
# XXX 23 is the longest line of cal's output
pad = ''{
${pkgs.gnused}/bin/sed '
# rtrim
s/ *$//
# delete last empty line
''${/^$/d}
' \
| ${pkgs.gawk}/bin/awk '{printf "%-23s\n", $0}' \
| ${pkgs.gnused}/bin/sed '
# colorize header
1,2s/.*/[38;5;238;1m&[39;22m/
# colorize week number
s/^[ 1-9][0-9]/[38;5;238;1m&[39;22m/
'
}'';
in ''
${pkgs.coreutils}/bin/paste \
<(${pkgs.utillinux}/bin/cal -mw \
$(${pkgs.coreutils}/bin/date +'%m %Y' -d 'last month') \
| ${pad}
) \
<(${pkgs.utillinux}/bin/cal -mw \
| ${pkgs.gnused}/bin/sed '
# colorize day of month
s/\(^\| \)'"$(${pkgs.coreutils}/bin/date +%e)"'\>/[31;1m&[39;22m/
' \
| ${pad}
) \
<(${pkgs.utillinux}/bin/cal -mw \
$(${pkgs.coreutils}/bin/date +'%m %Y' -d 'next month') \
| ${pad}
) \
| ${pkgs.gnused}/bin/sed 's/\t/ /g'
'';
q-isodate = ''
${pkgs.coreutils}/bin/date \
'+[1m%Y-%m-%d[;30mT[;38;5;085m%H:%M[m:%S%:z'
'';
# Singapore's red is #ED2E38
q-sgtdate = ''
TZ=Asia/Singapore \
${pkgs.coreutils}/bin/date \
'+[1m%Y-%m-%d[;30mT[;38;5;088m%H:%M[m:%S%:z'
'';
q-gitdir = ''
if test -d .git; then
#git status --porcelain
branch=$(
${pkgs.git}/bin/git branch \
| ${pkgs.gnused}/bin/sed -rn 's/^\* (.*)/\1/p'
)
echo "± $LOGNAME@''${HOSTNAME-$(${pkgs.nettools}/bin/hostname)}:$PWD .git $branch"
fi
'';
q-power_supply = let
power_supply = pkgs.writeBash "power_supply" ''
set -efu
uevent=$1
eval "$(${pkgs.gnused}/bin/sed -n '
s/^\([A-Z_]\+=[0-9A-Za-z_-]*\)$/export \1/p
' $uevent)"
if test "x''${POWER_SUPPLY_CHARGE_NOW-}" = x; then
exit # not battery
fi
exec </dev/null
exec ${pkgs.gawk}/bin/awk '
function print_hm(h, m) {
m = (h - int(h)) * 60
return sprintf("%dh%dm", h, m)
}
function print_bar(n, r, t1, t2, t_col) {
t1 = int(r * n)
t2 = n - t1
if (r >= .42) t_col = "1;32"
else if (r >= 23) t_col = "1;33"
else if (r >= 11) t_col = "1;31"
else t_col = "5;1;31"
return sgr(t_col) strdup("■", t1) sgr(";30") strdup("■", t2) sgr()
}
function sgr(p) {
return "\x1b[" p "m"
}
function strdup(s,n,t) {
t = sprintf("%"n"s","")
gsub(/ /,s,t)
return t
}
END {
voltage_unit = "V"
voltage_now = ENVIRON["POWER_SUPPLY_VOLTAGE_NOW"] / 10^6
voltage_min_design = ENVIRON["POWER_SUPPLY_VOLTAGE_MIN_DESIGN"] / 10^6
current_unit = "A"
current_now = ENVIRON["POWER_SUPPLY_CURRENT_NOW"] / 10^6
power_unit = "W"
power_now = current_now * voltage_now
charge_unit = "Ah"
charge_now = ENVIRON["POWER_SUPPLY_CHARGE_NOW"] / 10^6
charge_full = ENVIRON["POWER_SUPPLY_CHARGE_FULL"] / 10^6
charge_ratio = charge_now / charge_full
energy_unit = "Wh"
energy_full = charge_full * voltage_min_design
printf "%s %s %d%% %.2f%s/%.2f%s %d%s/%.1f%s %s\n" \
, ENVIRON["POWER_SUPPLY_NAME"] \
, print_bar(10, charge_ratio) \
, charge_ratio * 100 \
, charge_now, charge_unit \
, current_now, current_unit \
, energy_full, energy_unit \
, power_now, power_unit \
, print_hm(charge_now / current_now)
}
'
'';
in ''
for uevent in /sys/class/power_supply/*/uevent; do
${power_supply} "$uevent"
done
'';
q-virtualization = ''
echo "VT: $(${pkgs.systemd}/bin/systemd-detect-virt)"
'';
q-wireless = ''
for dev in $(
${pkgs.iw}/bin/iw dev \
| ${pkgs.gnused}/bin/sed -n 's/^\s*Interface\s\+\([0-9a-z]\+\)$/\1/p'
); do
inet=$(${pkgs.iproute}/bin/ip addr show $dev \
| ${pkgs.gnused}/bin/sed -n '
s/.*inet \([0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\).*/\1/p
') \
|| unset inet
ssid=$(${pkgs.iw}/bin/iw dev $dev link \
| ${pkgs.gnused}/bin/sed -n '
s/.*\tSSID: \(.*\)/\1/p
') \
|| unset ssid
echo "$dev''${inet+ $inet}''${ssid+ $ssid}"
done
'';
q-online = ''
if ${pkgs.curl}/bin/curl -s google.com >/dev/null; then
echo '[32;1monline[m'
else
echo offline
fi
'';
q-thermal_zone = ''
for i in /sys/class/thermal/thermal_zone*; do
type=$(${pkgs.coreutils}/bin/cat $i/type)
temp=$(${pkgs.coreutils}/bin/cat $i/temp)
printf '%s %s°C\n' $type $(echo $temp / 1000 | ${pkgs.bc}/bin/bc)
done
'';
q-todo = ''
TODO_file=$HOME/TODO
if test -e "$TODO_file"; then
${pkgs.coreutils}/bin/cat "$TODO_file" \
| ${pkgs.gawk}/bin/gawk -v now=$(${pkgs.coreutils}/bin/date +%s) '
BEGIN { print "remind=0" }
/^[0-9]/{
x = $1
gsub(".", "\\\\&", x)
rest = substr($0, index($0, " "))
rest = $0
sub(" *", "", rest)
gsub(".", "\\\\&", rest)
print "test $(${pkgs.coreutils}/bin/date +%s -d"x") -lt "now" && \
echo \"\x1b[38;5;208m\""rest esc "\"\x1b[m\" && \
(( remind++ ))"
}
END { print "test $remind = 0 && echo \"nothing to remind\"" }
' \
| {
# bash needed for (( ... ))
${pkgs.bash}/bin/bash
}
else
echo "$TODO_file: no such file or directory"
fi
'';
in
# bash needed for <(...)
pkgs.writeBashBin "q" ''
set -eu
export PATH=/var/empty
(${q-todo}) || :
if [ "$PWD" != "$HOME" ]; then
(HOME=$PWD; ${q-todo}) || :
fi
echo
${q-cal}
echo
${q-isodate}
${q-sgtdate}
(${q-gitdir}) &
(${q-power_supply}) &
(${q-virtualization}) &
(${q-wireless}) &
(${q-online}) &
(${q-thermal_zone}) &
wait
''
|
