bazzite/system_files/desktop/shared/usr/libexec/bazzite-powersave

#!/usr/bin/bash
# This script sends the Power Profile Daemon dbus call to set tuneD to power-saver mode
# This is useful only for battery powered devices where you want to start in power-saver mode by default
POWERSAVE=1
if [ -n "$1" ]; then
    if [ "$1" == "0" ]; then
        POWERSAVE=0
    fi
fi

# Check what DE we are on
if command -v /usr/bin/mutter > /dev/null; then
    # If we are on Gnome send the dbus signal with gdbus
    if [ "$POWERSAVE" == "0" ]; then
        gdbus call --system --dest net.hadess.PowerProfiles --object-path /net/hadess/PowerProfiles --method org.freedesktop.DBus.Properties.Set 'net.hadess.PowerProfiles' 'ActiveProfile' "<'balanced'>"
    else
        gdbus call --system --dest net.hadess.PowerProfiles --object-path /net/hadess/PowerProfiles --method org.freedesktop.DBus.Properties.Set 'net.hadess.PowerProfiles' 'ActiveProfile' "<'power-saver'>"
    fi
else
    # Assume we are on KDE and send the dbus signal with qdbus
    if [ "$POWERSAVE" == "0" ]; then
        qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/PowerProfile setProfile balanced
    else
        qdbus org.kde.Solid.PowerManagement /org/kde/Solid/PowerManagement/Actions/PowerProfile setProfile power-saver
    fi
fi