My NixOS dotfiles
🐛 Real fix of the battery script
Simon R. - fantomitechno
(May 28, 2026, 9:07 AM +0200)
6672ef05
9f792ad0
+16
-3
+16
-3
hosts/common/battery-notify.nix
+16
-3
hosts/common/battery-notify.nix
···
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serviceConfig = {
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Type = "simple";
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ExecStart = pkgs.writeShellScript "battery-low-notification" ''
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BATTERY=$(${pkgs.lib.getExe pkgs.acpi} -b | head -n 1)
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LEVEL=$(echo "$BATTERY" | ${pkgs.lib.getExe pkgs.ripgrep} -o "\d+%" | ${pkgs.lib.getExe pkgs.ripgrep} -o "\d+")
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BATTERIES=$(${pkgs.lib.getExe pkgs.acpi} -b)
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LEVEL=200
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N=$(echo "$BATTERIES" | wc -l)
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for ((i = 1 ; i <= N ; i++)); do
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BATTERY=$(echo "$BATTERIES" | sed -n "''${i}p")
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if echo "$BATTERY" | grep -q "rate information unavailable"; then
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echo "Skipping: $BATTERY"
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else
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NEW_LEVEL=$(echo "$BATTERY" | ${pkgs.lib.getExe pkgs.ripgrep} -o "\d+%" | ${pkgs.lib.getExe pkgs.ripgrep} -o "\d+")
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if ((NEW_LEVEL < LEVEL)); then
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LEVEL=$NEW_LEVEL
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fi
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fi
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done
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echo "$LEVEL"
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if echo "$BATTERY" | ${pkgs.lib.getExe pkgs.ripgrep} -q "Discharging" && (( 10 >= LEVEL )); then
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${pkgs.lib.getExe pkgs.libnotify} --urgency=critical "low battery" "$LEVEL%"
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${pkgs.lib.getExe pkgs.libnotify} --urgency=critical "low battery" "$LEVEL%"
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fi
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'';
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};