feat(applications): add support for power-profiles-daemon/tuned as a power management daemon

archinstall/default_profiles/desktop.py

@@ -1,6 +1,7 @@
 from typing import TYPE_CHECKING, override
 
 from archinstall.default_profiles.profile import GreeterType, Profile, ProfileType, SelectResult
+from archinstall.lib.hardware import SysInfo
 from archinstall.lib.output import info
 from archinstall.lib.profile.profiles_handler import profile_handler
 from archinstall.tui.curses_menu import SelectMenu
@@ -99,6 +100,9 @@ def install(self, install_session: 'Installer') -> None:
 		# Install common packages for all desktop environments
 		install_session.add_additional_packages(self.packages)
 
+		if SysInfo.has_battery():
+			install_session.add_additional_packages('power-profiles-daemon')
+
 		for profile in self.current_selection:
 			info(f'Installing profile {profile.name}...')
 

archinstall/lib/hardware.py

@@ -198,6 +198,19 @@ def loaded_modules(self) -> list[str]:
 
 
 class SysInfo:
+	@staticmethod
+	def has_battery():
+		for device in os.listdir('/sys/class/power_supply/'):
+			device_type_path = os.path.join('/sys/class/power_supply/', device, 'type')
+			try:
+				with open(device_type_path) as f:
+					if f.read().strip() == 'Battery':
+						return True
+			except OSError:
+				continue
+
+		return False
+
 	@staticmethod
 	def has_wifi() -> bool:
 		ifaces = list(list_interfaces().values())