nixos/home/common/optional/desktop/dwm/scripts/battery-status.nix

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{ pkgs, ... }:
{
home.packages = [
(pkgs.writeShellScriptBin "battery-status" ''
status=$(${pkgs.acpi}/bin/acpi)
bat_name=$(echo "$status" | grep -o -e "^[Aa-Zz]*\s[0-9]:")
bat_status=$(echo $status | grep -o -e "[A-Z][a-z]*," | sed "s/,//")
bat_pct=$(echo $status | grep -o -e "[0-9]*%")
bat_time=$(echo $status | grep -o -e "[0-9]*:[0-9]*:[0-9]* [a-z].*")
power=$(cat /sys/class/power_supply/BAT0/power_now)
power_watts=$(${pkgs.bc}/bin/bc <<< "scale=3; $power / 1000000")
echo -e "$bat_name ($bat_status)\nCharge: $bat_pct\nTime: $bat_time\nPower consumption: $power_watts W "
'')
];
}