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-rw-r--r--lass/5pkgs/q/default.nix185
1 files changed, 185 insertions, 0 deletions
diff --git a/lass/5pkgs/q/default.nix b/lass/5pkgs/q/default.nix
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+++ b/lass/5pkgs/q/default.nix
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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/.*/&/
+
+ # colorize week number
+ s/^[ 1-9][0-9]/&/
+ '
+ }'';
+ 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)"'\>/&/
+ ' \
+ | ${pad}
+ ) \
+ <(${pkgs.utillinux}/bin/cal -mw \
+ $(${pkgs.coreutils}/bin/date +'%m %Y' -d 'next month') \
+ | ${pad}
+ ) \
+ | ${pkgs.gnused}/bin/sed 's/\t/ /g'
+ '';
+
+ q-isodate = ''
+ ${pkgs.coreutils}/bin/date \
+ '+%Y-%m-%dT%H:%M:%S%:z'
+ '';
+
+ q-gitdir = ''
+ if test -d .git; then
+ #git status --porcelain
+ branch=$(
+ ${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-power_supply = ''
+ for uevent in /sys/class/power_supply/*/uevent; do
+ if test -f $uevent; then
+ eval "$(${pkgs.gnused}/bin/sed -n '
+ s/^\([A-Z_]\+=\)\(.*\)/\1'\'''\2'\'''/p
+ ' $uevent)"
+
+ if test "x''${POWER_SUPPLY_CHARGE_NOW-}" = x; then
+ continue
+ fi
+
+ charge_percentage=$(echo "
+ scale=2
+ $POWER_SUPPLY_CHARGE_NOW / $POWER_SUPPLY_CHARGE_FULL
+ " | ${pkgs.bc}/bin/bc)
+
+ lfc=$POWER_SUPPLY_CHARGE_FULL
+ rc=$POWER_SUPPLY_CHARGE_NOW
+ #rc=2800
+ N=78; N=76
+ N=10
+ n=$(echo $N-1 | ${pkgs.bc}/bin/bc)
+ centi=$(echo "$rc*100/$lfc" | ${pkgs.bc}/bin/bc)
+ deci=$(echo "$rc*$N/$lfc" | ${pkgs.bc}/bin/bc)
+ energy_evel=$(
+ echo -n '☳ ' # TRIGRAM FOR THUNDER
+ if test $centi -ge 42; then echo -n ''
+ elif test $centi -ge 23; then echo -n ''
+ elif test $centi -ge 11; then echo -n ''
+ else echo -n ''; fi
+ for i in $(${pkgs.coreutils}/bin/seq 1 $deci); do
+ echo -n ■
+ done
+ echo -n ''
+ for i in $(${pkgs.coreutils}/bin/seq $deci $n); do
+ echo -n ■
+ done
+ echo '' $rc #/ $lfc
+ )
+ echo "$energy_evel $charge_percentage"
+ fi
+ 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 ${pkgs.curl.bin}/bin/curl -s google.com >/dev/null; then
+ echo 'online'
+ else
+ echo offline
+ fi
+ '';
+
+ q-thermal_zone = ''
+ for i in /sys/class/thermal/thermal_zone*; do
+ type=$(${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-cal}
+ echo
+ ${q-isodate}
+ (${q-gitdir}) &
+ (${q-power_supply}) &
+ (${q-virtualization}) &
+ (${q-wireless}) &
+ (${q-online}) &
+ (${q-thermal_zone}) &
+ wait
+ ${q-todo}
+''