Enhance RecoveryOS support

Resources/Build.py

@@ -940,9 +940,11 @@ Please build OpenCore first!"""
                 print("- Adding Internal Drive icon")
                 shutil.copy(self.constants.icon_path_internal, mount_path)
             print("- Cleaning install location")
-            subprocess.run(f"dot_clean {mount_path}".split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+            if Constants.Constants().recovery_status == False:
+                # RecoveryOS doesn't support dot_clean
+                subprocess.run(["dot_clean", mount_path], stdout=subprocess.PIPE).stdout.decode().strip().encode()
             print("- Unmounting EFI partition")
-            subprocess.run(f"diskutil umount {mount_path}".split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+            subprocess.run(["diskutil", "umount", mount_path], stdout=subprocess.PIPE).stdout.decode().strip().encode()
             print("- OpenCore transfer complete")
             print("\nPress [Enter] to continue.\n")
             input()

Resources/Utilities.py

@@ -4,6 +4,7 @@ from __future__ import print_function
 import os
 import math as m
 
+from Resources import Constants
 
 def header(lines):
     lines = [i for i in lines if i is not None]
@@ -16,7 +17,13 @@ def header(lines):
 
 
 def cls():
-    os.system('cls' if os.name == 'nt' else 'clear')
+    # RecoveryOS doesn't support terminal clearing
+    if Constants.Constants().recovery_status == False:
+        os.system('cls' if os.name == 'nt' else 'clear')
+    else:
+        # Default terminal window is 24 lines tall
+        for i in range(24):
+            print("")
 
 # def menu(title, prompt, menu_options, add_quit=True, auto_number=False, in_between=[], top_level=False):
 #     return_option = ["Q", "Quit", None] if top_level else ["B", "Back", None]