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sys_patch: Improve N-1 KDK handling

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This commit is contained in:
Mykola Grymalyuk
2022-10-01 13:46:19 -06:00
parent 5c43592c46
commit 2c40e9b0a1
4 changed files with 28 additions and 19 deletions
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15
resources/sys_patch_helpers.py
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@@ -71,6 +71,9 @@ class sys_patch_helpers:
return False
def install_kdk(self):
if not self.constants.kdk_download_path.exists():
return
print(f"- Installing downloaded KDK (this may take a while)")
with tempfile.TemporaryDirectory() as mount_point:
utilities.process_status(subprocess.run(["hdiutil", "attach", self.constants.kdk_download_path, "-mountpoint", mount_point, "-nobrowse"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT))
@@ -80,31 +83,35 @@ class sys_patch_helpers:
print("- Successfully installed KDK")
def determine_kdk_present(self, match_closest=False):
def determine_kdk_present(self, match_closest=False, override_build=None):
# Check if KDK is present
# If 'match_closest' is True, will provide the closest match to the reported KDK
kdk_array = []
search_build = self.constants.detected_os
if override_build:
search_build = override_build
if not Path("/Library/Developer/KDKs").exists():
return None
for kdk_folder in Path("/Library/Developer/KDKs").iterdir():
# Ensure direct match
if kdk_folder.name.endswith(f"{self.constants.detected_os_build}.kdk"):
if kdk_folder.name.endswith(f"{search_build}.kdk"):
# Verify that the KDK is valid
if (kdk_folder / Path("System/Library/Extensions/System.kext/PlugIns/Libkern.kext/Libkern")).exists():
return kdk_folder
if match_closest is True:
# ex: KDK_13.0_22A5266r.kdk -> 22A5266r.kdk -> 22A5266r
build = kdk_folder.name.split("_")[2].split(".")[0]
if build.startswith(str(self.constants.detected_os)):
if build.startswith(str(search_build)):
kdk_array.append(build)
if match_closest is True:
result = os_data.os_conversion.find_largest_build(kdk_array)
print(f"- Closest KDK match: {result}")
print(f"- Closest KDK match to {search_build}: {result}")
for kdk_folder in Path("/Library/Developer/KDKs").iterdir():
if kdk_folder.name.endswith(f"{result}.kdk"):
# Verify that the KDK is valid