Adds a timer to post install screen (#4028)

* Add timer to end screen of guided

* ruff check

archinstall/lib/interactions/general_conf.py

@@ -268,8 +268,12 @@ def add_number_of_parallel_downloads(preset: int | None = None) -> int | None:
 	return downloads
 
 
-def ask_post_installation() -> PostInstallationAction:
-	header = tr('Installation completed') + '\n\n'
+def ask_post_installation(elapsed_time: float | None = None) -> PostInstallationAction:
+	header = 'Installation completed'
+	if elapsed_time is not None:
+		minutes = int(elapsed_time // 60)
+		seconds = int(elapsed_time % 60)
+		header += f' in {minutes}m {seconds}s' + '\n'
 	header += tr('What would you like to do next?') + '\n'
 
 	items = [MenuItem(action.value, value=action) for action in PostInstallationAction]

archinstall/scripts/guided.py

@@ -1,4 +1,5 @@
 import os
+import time
 from pathlib import Path
 
 from archinstall import SysInfo
@@ -53,6 +54,7 @@ def perform_installation(mountpoint: Path) -> None:
 	Only requirement is that the block devices are
 	formatted and setup prior to entering this function.
 	"""
+	start_time = time.time()
 	info('Starting installation...')
 
 	config = arch_config_handler.config
@@ -168,7 +170,8 @@ def perform_installation(mountpoint: Path) -> None:
 
 		if not arch_config_handler.args.silent:
 			with Tui():
-				action = ask_post_installation()
+				elapsed_time = time.time() - start_time
+				action = ask_post_installation(elapsed_time)
 
 			match action:
 				case PostInstallationAction.EXIT: