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authortv <tv@krebsco.de>2017-07-23 02:46:44 +0200
committertv <tv@krebsco.de>2017-07-23 02:46:44 +0200
commit5762d122657217f964f4898d9f178ec2f843176a (patch)
tree45a2954577c7600ceff106865bd747369adc114c /tv/5pkgs/simple/q
parentdae4f8d5c072f645ad30100239383d1931d19a2b (diff)
tv pkgs: mimic krebs' simple overlay
Diffstat (limited to 'tv/5pkgs/simple/q')
-rw-r--r--tv/5pkgs/simple/q/default.nix314
1 files changed, 314 insertions, 0 deletions
diff --git a/tv/5pkgs/simple/q/default.nix b/tv/5pkgs/simple/q/default.nix
new file mode 100644
index 000000000..2e7aa5cf2
--- /dev/null
+++ b/tv/5pkgs/simple/q/default.nix
@@ -0,0 +1,314 @@
+{ pkgs, ... }:
+with import <stockholm/lib>;
+let
+ q-cal = let
+
+ # Maximum width of cal's output.
+ calwidth = 23;
+
+ # Number of space characters between two calendars.
+ hspace = 2;
+
+ # Return number of columns required to print n calenders side by side.
+ need_width = n:
+ assert n >= 1;
+ n * calwidth + (n - 1) * hspace;
+
+ pad = ''{
+ ${pkgs.gnused}/bin/sed '
+ # rtrim
+ s/ *$//
+
+ # delete last empty line
+ ''${/^$/d}
+ ' \
+ | ${pkgs.gawk}/bin/awk '{printf "%-${toString calwidth}s\n", $0}' \
+ | ${pkgs.gnused}/bin/sed '
+ # colorize header
+ 1,2s/.*/&/
+
+ # colorize week number
+ s/^[ 1-9][0-9]/&/
+ '
+ }'';
+ in ''
+ cols=$(${pkgs.ncurses}/bin/tput cols)
+ ${pkgs.coreutils}/bin/paste \
+ <(if test $cols -ge ${toString (need_width 3)}; then
+ ${pkgs.utillinux}/bin/cal -mw \
+ $(${pkgs.coreutils}/bin/date +'%m %Y' -d 'last month') \
+ | ${pad}
+ fi) \
+ <(if test $cols -ge ${toString (need_width 1)}; then
+ ${pkgs.utillinux}/bin/cal -mw \
+ | ${pkgs.gnused}/bin/sed '
+ # colorize day of month
+ s/\(^\| \)'"$(${pkgs.coreutils}/bin/date +%e)"'\>/&/
+ ' \
+ | ${pad}
+ fi) \
+ <(if test $cols -ge ${toString (need_width 2)}; then
+ ${pkgs.utillinux}/bin/cal -mw \
+ $(${pkgs.coreutils}/bin/date +'%m %Y' -d 'next month') \
+ | ${pad}
+ fi) \
+ | ${pkgs.gnused}/bin/sed '
+ s/^\t//
+ s/\t$//
+ s/\t/${lpad hspace " " ""}/g
+ '
+ '';
+
+ q-isodate = ''
+ ${pkgs.coreutils}/bin/date \
+ '+%Y-%m-%dT%H:%M:%S%:z'
+ '';
+
+ # Singapore's red is #ED2E38
+ q-sgtdate = ''
+ TZ=Asia/Singapore \
+ ${pkgs.coreutils}/bin/date \
+ '+%Y-%m-%dT%H:%M:%S%:z'
+ '';
+
+ q-gitdir = ''
+ if test -d .git; then
+ #git status --porcelain
+ branch=$(
+ ${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-intel_backlight = ''
+ cd /sys/class/backlight/intel_backlight
+ </dev/null exec ${pkgs.gawk}/bin/awk '
+ END {
+ getline actual_brightness < "actual_brightness"
+ getline max_brightness < "max_brightness"
+ getline brightness < "brightness"
+ printf "intel_backlight %d%% %d/%d\n" \
+ , actual_brightness / max_brightness * 100 \
+ , actual_brightness \
+ , max_brightness
+ }
+ '
+ '';
+
+ 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)"
+ case $POWER_SUPPLY_NAME in
+ AC)
+ exit # not battery
+ ;;
+ esac
+ exec </dev/null
+ exec ${pkgs.gawk}/bin/awk '
+ function die(s) {
+ printf "%s: %s\n", name, s
+ exit 1
+ }
+
+ 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 {
+ name = ENVIRON["POWER_SUPPLY_NAME"]
+
+ charge_unit = "Ah"
+ charge_now = ENVIRON["POWER_SUPPLY_CHARGE_NOW"] / 10^6
+ charge_full = ENVIRON["POWER_SUPPLY_CHARGE_FULL"] / 10^6
+
+ current_unit = "A"
+ current_now = ENVIRON["POWER_SUPPLY_CURRENT_NOW"] / 10^6
+
+ energy_unit = "Wh"
+ energy_now = ENVIRON["POWER_SUPPLY_ENERGY_NOW"] / 10^6
+ energy_full = ENVIRON["POWER_SUPPLY_ENERGY_FULL"] / 10^6
+
+ power_unit = "W"
+ power_now = ENVIRON["POWER_SUPPLY_POWER_NOW"] / 10^6
+
+ voltage_unit = "V"
+ voltage_now = ENVIRON["POWER_SUPPLY_VOLTAGE_NOW"] / 10^6
+ voltage_min_design = ENVIRON["POWER_SUPPLY_VOLTAGE_MIN_DESIGN"] / 10^6
+
+ #printf "charge_now: %s\n", charge_now
+ #printf "charge_full: %s\n", charge_full
+ #printf "current_now: %s\n", current_now
+ #printf "energy_now: %s\n", energy_now
+ #printf "energy_full: %s\n", energy_full
+ #printf "energy_full: %s\n", ENVIRON["POWER_SUPPLY_ENERGY_FULL"]
+ #printf "energy_full: %s\n", ENVIRON["POWER_SUPPLY_ENERGY_FULL"] / 10^6
+ #printf "power_now: %s\n", power_now
+ #printf "voltage_now: %s\n", voltage_now
+
+ if (current_now == 0 && voltage_now != 0) {
+ current_now = power_now / voltage_now
+ }
+ if (power_now == 0) {
+ power_now = current_now * voltage_now
+ }
+ if (charge_now == 0 && voltage_min_design != 0) {
+ charge_now = energy_now / voltage_min_design
+ }
+ if (energy_now == 0) {
+ energy_now = charge_now * voltage_min_design
+ }
+ if (charge_full == 0 && voltage_min_design != 0) {
+ charge_full = energy_full / voltage_min_design
+ }
+ if (energy_full == 0) {
+ energy_full = charge_full * voltage_min_design
+ }
+
+ if (charge_now == 0 || charge_full == 0) {
+ die("unknown charge")
+ }
+
+ charge_ratio = charge_now / charge_full
+
+ out = out name
+ out = out sprintf(" %s", print_bar(10, charge_ratio))
+ out = out sprintf(" %d%", charge_ratio * 100)
+ out = out sprintf(" %.2f%s", charge_now, charge_unit)
+ if (current_now != 0) {
+ out = out sprintf("/%.1f%s", current_now, current_unit)
+ }
+ out = out sprintf(" %d%s", energy_full, energy_unit)
+ if (power_now != 0) {
+ out = out sprintf("/%.1f%s", power_now, power_unit)
+ }
+ if (current_now != 0) {
+ out = out sprintf(" %s", print_hm(charge_now / current_now))
+ }
+
+ print out
+ }
+ '
+ '';
+ 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 ${pkgs.curl}/bin/curl -s google.com >/dev/null; then
+ echo 'online'
+ else
+ echo offline
+ fi
+ '';
+
+ q-thermal_zone = ''
+ for i in /sys/class/thermal/thermal_zone*; do
+ type=$(${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}) &
+ (${q-intel_backlight}) &
+ (${q-power_supply}) &
+ (${q-virtualization}) &
+ (${q-wireless}) &
+ (${q-online}) &
+ (${q-thermal_zone}) &
+ wait
+''