nixos/home/scripts/system/default.nix
2024-06-24 21:13:22 +02:00

63 lines
2.2 KiB
Nix

{ pkgs, ... }:
let
notif = pkgs.writeShellScriptBin "notif" ''
# Shell script to send custom notifications
NOTIF_FOLDER="/tmp/notif"
sender_id=$1 # To overwrite existing notifications
message=$2
extraargs=""
description=""
if [[ $3 == "extraargs="* ]]; then
extraargs=$(echo "$3" | sed 's/extraargs=//g')
else
description="$3"
extraargs="$4"
fi
[[ -d "$NOTIF_FOLDER" ]] || mkdir $NOTIF_FOLDER
[[ -f "$NOTIF_FOLDER/$sender_id" ]] || echo "0" > "$NOTIF_FOLDER/$sender_id"
old_notification_id=$(cat "$NOTIF_FOLDER/$sender_id")
${pkgs.libnotify}/bin/notify-send "$message" \
$extraargs \
--replace-id="$old_notification_id" --print-id > "$NOTIF_FOLDER/$sender_id"
'';
battery-watch = pkgs.writeShellScriptBin "battery-watch" ''
while true;do
battery-plugged &
battery-level &
sleep 60
done
'';
battery-plugged = pkgs.writeShellScriptBin "battery-plugged" ''
BATTERY_STATUS=$(cat /sys/class/power_supply/BAT*/status | head -n1)
OLD_BATTERY_STATUS=$(cat /tmp/old_battery_status 2>/dev/null || echo "Unknown")
if [[ $BATTERY_STATUS != $OLD_BATTERY_STATUS && $OLD_BATTERY_STATUS != "Unknown" ]]; then
if [[ $BATTERY_STATUS == "Discharging" ]]; then
notif "battery" "󰚦 Battery is unplugged"
else
notif "battery" "󰚥 Battery is plugged in"
fi
fi
echo $BATTERY_STATUS > /tmp/old_battery_status
'';
battery-level = pkgs.writeShellScriptBin "battery-level" ''
BATTERY_LEVEL=$(cat /sys/class/power_supply/BAT*/capacity | head -n1)
BATTERY_STATUS=$(cat /sys/class/power_supply/BAT*/status | head -n1)
if [[ $BATTERY_LEVEL -le 20 ]] && [[ $BATTERY_STATUS == "Discharging" ]]; then
notif "battery" "󰁻 Low battery" "Battery level is $BATTERY_LEVEL%"
elif [[ $BATTERY_LEVEL -le 10 ]] && [[ $BATTERY_STATUS == "Discharging" ]]; then
notif "battery" "󰁺 Very low battery" "Battery level is $BATTERY_LEVEL%"
elif [[ $BATTERY_LEVEL -eq 100 ]] && [[ $BATTERY_STATUS -ne "Discharging" ]]; then
notif "battery" "󰁹 Fully charged"
fi
'';
in { home.packages = [ notif battery-watch battery-plugged battery-level ]; }