Adding a cmd_history.txt log under /var/log/archinstall/ (#737)

* Adding a cmd_history.txt log under /var/log/archinstall/ to get a clear picture of which commands was executed.

archinstall/lib/disk/helpers.py

@@ -182,9 +182,16 @@ def get_filesystem_type(path):
 
 def disk_layouts():
 	try:
-		return json.loads(SysCommand("lsblk -f -o+TYPE,SIZE -J").decode('UTF-8'))
+		if (handle := SysCommand("lsblk -f -o+TYPE,SIZE -J")).exit_code == 0:
+			return json.loads(handle.decode('UTF-8'))
+		else:
+			log(f"Could not return disk layouts: {handle}", level=logging.WARNING, fg="yellow")
+			return None
 	except SysCallError as err:
-		log(f"Could not return disk layouts: {err}")
+		log(f"Could not return disk layouts: {err}", level=logging.WARNING, fg="yellow")
+		return None
+	except json.decoder.JSONDecodeError as err:
+		log(f"Could not return disk layouts: {err}", level=logging.WARNING, fg="yellow")
 		return None
 
 

archinstall/lib/general.py

@@ -308,9 +308,16 @@ def execute(self) -> bool:
 
 		if not self.pid:
 			try:
+				try:
+					with open(f"{storage['LOG_PATH']}/cmd_history.txt", "a") as cmd_log:
+						cmd_log.write(f"{' '.join(self.cmd)}\n")
+				except PermissionError:
+					pass
+
 				os.execve(self.cmd[0], self.cmd, {**os.environ, **self.environment_vars})
 				if storage['arguments'].get('debug'):
 					log(f"Executing: {self.cmd}", level=logging.DEBUG)
+
 			except FileNotFoundError:
 				log(f"{self.cmd[0]} does not exist.", level=logging.ERROR, fg="red")
 				self.exit_code = 1