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sys_patch.py: Clean-up non-Metal enforcement during preflight & unpatch

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flagersgit
2022-05-28 11:17:41 -04:00
parent 46549b6dd3
commit 43f9dd7c48
1 changed files with 11 additions and 0 deletions
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11
resources/sys_patch.py
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@@ -108,6 +108,7 @@ class PatchSysVolume:
print("- Failed to revert snapshot via Apple's 'bless' command")
else:
self.clean_skylight_plugins()
self.delete_nonmetal_enforcement()
self.constants.root_patcher_succeded = True
print("- Unpatching complete")
print("\nPlease reboot the machine for patches to take effect")
@@ -193,6 +194,14 @@ class PatchSysVolume:
else:
print("- Creating SkylightPlugins folder")
utilities.process_status(utilities.elevated(["mkdir", "-p", f"{self.mount_application_support}/SkyLightPlugins/"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT))
def delete_nonmetal_enforcement(self):
use_metal = subprocess.run(["defaults", "read", "/Library/Preferences/com.apple.CoreDisplay", "useMetal"], stdout=subprocess.PIPE).stdout.decode("utf-8").strip()
use_iop = subprocess.run(["defaults", "read", "/Library/Preferences/com.apple.CoreDisplay", "useIOP"], stdout=subprocess.PIPE).stdout.decode("utf-8").strip()
if use_metal or use_iop in ["1", "true"]:
print("- Removing non-Metal Enforcement Preferences")
utilities.elevated(["defaults", "delete", "/Library/Preferences/com.apple.CoreDisplay", "useMetal"])
utilities.elevated(["defaults", "delete", "/Library/Preferences/com.apple.CoreDisplay", "useIOP"])
def write_patchset(self, patchset):
destination_path = f"{self.mount_location}/System/Library/CoreServices"
@@ -260,6 +269,8 @@ class PatchSysVolume:
# Make sure old SkyLight plugins aren't being used
self.clean_skylight_plugins()
# Make sure non-Metal Enforcement preferences are not present
self.delete_nonmetal_enforcement()
# Make sure SNB kexts are compatible with the host
if "Intel Sandy Bridge" in required_patches: