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303 lines
19 KiB
Python
303 lines
19 KiB
Python
# usb_writer_linux.py (Significant Refactoring for Installer Creation)
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import subprocess
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import os
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import time
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import shutil
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import glob
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import re
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import plistlib # For plist_modifier call, and potentially for InstallInfo.plist
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try:
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from plist_modifier import enhance_config_plist
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except ImportError:
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enhance_config_plist = None
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print("Warning: plist_modifier.py not found. Plist enhancement feature will be disabled for USBWriterLinux.")
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# Assume a basic OpenCore EFI template directory exists relative to this script
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OC_TEMPLATE_DIR = os.path.join(os.path.dirname(__file__), "EFI_template_installer")
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class USBWriterLinux:
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def __init__(self, device: str, macos_download_path: str,
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progress_callback=None, enhance_plist_enabled: bool = False,
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target_macos_version: str = ""):
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self.device = device
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self.macos_download_path = macos_download_path
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self.progress_callback = progress_callback
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self.enhance_plist_enabled = enhance_plist_enabled
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self.target_macos_version = target_macos_version # String name like "Sonoma"
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pid = os.getpid()
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self.temp_basesystem_hfs_path = f"temp_basesystem_{pid}.hfs"
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self.temp_efi_build_dir = f"temp_efi_build_{pid}"
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self.temp_shared_support_extract_dir = f"temp_shared_support_extract_{pid}"
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self.mount_point_usb_esp = f"/mnt/usb_esp_temp_skyscope_{pid}"
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self.mount_point_usb_macos_target = f"/mnt/usb_macos_target_temp_skyscope_{pid}"
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self.temp_files_to_clean = [self.temp_basesystem_hfs_path]
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self.temp_dirs_to_clean = [
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self.temp_efi_build_dir, self.mount_point_usb_esp,
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self.mount_point_usb_macos_target, self.temp_shared_support_extract_dir
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]
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def _report_progress(self, message: str):
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if self.progress_callback: self.progress_callback(message)
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else: print(message)
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def _run_command(self, command: list[str] | str, check=True, capture_output=False, timeout=None, shell=False, working_dir=None):
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self._report_progress(f"Executing: {command if isinstance(command, str) else ' '.join(command)}")
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try:
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process = subprocess.run(
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command, check=check, capture_output=capture_output, text=True, timeout=timeout,
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shell=shell, cwd=working_dir,
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creationflags=0 # No CREATE_NO_WINDOW on Linux
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)
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if capture_output: # Log only if content exists
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if process.stdout and process.stdout.strip(): self._report_progress(f"STDOUT: {process.stdout.strip()}")
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if process.stderr and process.stderr.strip(): self._report_progress(f"STDERR: {process.stderr.strip()}")
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return process
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except subprocess.TimeoutExpired: self._report_progress(f"Command timed out after {timeout} seconds."); raise
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except subprocess.CalledProcessError as e: self._report_progress(f"Error executing (code {e.returncode}): {e.stderr or e.stdout or str(e)}"); raise
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except FileNotFoundError: self._report_progress(f"Error: Command '{command[0] if isinstance(command, list) else command.split()[0]}' not found."); raise
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def _cleanup_temp_files_and_dirs(self):
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self._report_progress("Cleaning up temporary files and directories...")
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for mp in self.temp_dirs_to_clean: # Unmount first
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if os.path.ismount(mp):
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self._run_command(["sudo", "umount", "-lf", mp], check=False, timeout=15)
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for f_path in self.temp_files_to_clean:
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if os.path.exists(f_path):
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try: self._run_command(["sudo", "rm", "-f", f_path], check=False)
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except Exception as e: self._report_progress(f"Error removing temp file {f_path}: {e}")
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for d_path in self.temp_dirs_to_clean:
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if os.path.exists(d_path):
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try: self._run_command(["sudo", "rm", "-rf", d_path], check=False)
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except Exception as e: self._report_progress(f"Error removing temp dir {d_path}: {e}")
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def check_dependencies(self):
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self._report_progress("Checking dependencies (sgdisk, mkfs.vfat, mkfs.hfsplus, 7z, rsync, dd)...")
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dependencies = ["sgdisk", "mkfs.vfat", "mkfs.hfsplus", "7z", "rsync", "dd"]
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missing_deps = [dep for dep in dependencies if not shutil.which(dep)]
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if missing_deps:
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msg = f"Missing dependencies: {', '.join(missing_deps)}. Please install them (e.g., hfsprogs, p7zip-full)."
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self._report_progress(msg); raise RuntimeError(msg)
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self._report_progress("All critical dependencies for Linux USB installer creation found.")
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return True
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def _find_source_file(self, patterns: list[str], description: str) -> str | None:
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"""Finds the first existing file matching a list of glob patterns within self.macos_download_path."""
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self._report_progress(f"Searching for {description} in {self.macos_download_path}...")
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for pattern in patterns:
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# Using iglob for efficiency if many files, but glob is fine for fewer expected matches
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found_files = glob.glob(os.path.join(self.macos_download_path, "**", pattern), recursive=True)
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if found_files:
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# Prefer files not inside .app bundles if multiple are found, unless it's the app itself.
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# This is a simple heuristic.
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non_app_files = [f for f in found_files if ".app/" not in f]
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target_file = non_app_files[0] if non_app_files else found_files[0]
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self._report_progress(f"Found {description} at: {target_file}")
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return target_file
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self._report_progress(f"Warning: {description} not found with patterns: {patterns}")
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return None
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def _extract_hfs_from_dmg(self, dmg_path: str, output_hfs_path: str) -> bool:
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"""Extracts the primary HFS+ partition image (e.g., '4.hfs') from a DMG."""
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# Assumes BaseSystem.dmg or similar that contains a HFS+ partition image.
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temp_extract_dir = f"temp_hfs_extract_{os.getpid()}"
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os.makedirs(temp_extract_dir, exist_ok=True)
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try:
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self._report_progress(f"Extracting HFS+ partition image from {dmg_path}...")
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# 7z e -tdmg <dmg_path> *.hfs -o<output_dir_for_hfs> (usually 4.hfs or similar)
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self._run_command(["7z", "e", "-tdmg", dmg_path, "*.hfs", f"-o{temp_extract_dir}"], check=True)
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hfs_files = glob.glob(os.path.join(temp_extract_dir, "*.hfs"))
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if not hfs_files: raise RuntimeError(f"No .hfs file found after extracting {dmg_path}")
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final_hfs_file = max(hfs_files, key=os.path.getsize) # Assume largest is the one
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self._report_progress(f"Found HFS+ partition image: {final_hfs_file}. Moving to {output_hfs_path}")
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shutil.move(final_hfs_file, output_hfs_path)
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return True
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except Exception as e:
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self._report_progress(f"Error during HFS extraction from DMG: {e}")
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return False
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finally:
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if os.path.exists(temp_extract_dir): shutil.rmtree(temp_extract_dir, ignore_errors=True)
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def format_and_write(self) -> bool:
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try:
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self.check_dependencies()
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self._cleanup_temp_files_and_dirs()
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for mp in [self.mount_point_usb_esp, self.mount_point_usb_macos_target, self.temp_efi_build_dir]:
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self._run_command(["sudo", "mkdir", "-p", mp])
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self._report_progress(f"WARNING: ALL DATA ON {self.device} WILL BE ERASED!")
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for i in range(1, 10): self._run_command(["sudo", "umount", "-lf", f"{self.device}{i}"], check=False, timeout=5); self._run_command(["sudo", "umount", "-lf", f"{self.device}p{i}"], check=False, timeout=5)
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self._report_progress(f"Partitioning {self.device} with GPT (sgdisk)...")
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self._run_command(["sudo", "sgdisk", "--zap-all", self.device])
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self._run_command(["sudo", "sgdisk", "-n", "1:0:+550M", "-t", "1:ef00", "-c", "1:EFI", self.device])
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self._run_command(["sudo", "sgdisk", "-n", "2:0:0", "-t", "2:af00", "-c", "2:Install macOS", self.device])
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self._run_command(["sudo", "partprobe", self.device], timeout=10); time.sleep(3)
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esp_partition_dev = next((f"{self.device}{i}" for i in ["1", "p1"] if os.path.exists(f"{self.device}{i}")), None)
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macos_partition_dev = next((f"{self.device}{i}" for i in ["2", "p2"] if os.path.exists(f"{self.device}{i}")), None)
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if not (esp_partition_dev and macos_partition_dev): raise RuntimeError(f"Could not reliably determine partition names for {self.device}.")
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self._report_progress(f"Formatting ESP ({esp_partition_dev}) as FAT32...")
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self._run_command(["sudo", "mkfs.vfat", "-F", "32", "-n", "EFI", esp_partition_dev])
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self._report_progress(f"Formatting macOS Install partition ({macos_partition_dev}) as HFS+...")
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self._run_command(["sudo", "mkfs.hfsplus", "-v", f"Install macOS {self.target_macos_version}", macos_partition_dev])
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# --- Prepare macOS Installer Content ---
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basesystem_dmg_path = self._find_source_file(["BaseSystem.dmg", "InstallAssistant.pkg", "SharedSupport.dmg"], "BaseSystem.dmg or InstallAssistant.pkg or SharedSupport.dmg")
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if not basesystem_dmg_path: raise RuntimeError("Essential macOS installer DMG/PKG not found in download path.")
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if basesystem_dmg_path.endswith(".pkg") or "SharedSupport.dmg" in os.path.basename(basesystem_dmg_path) :
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# If we found InstallAssistant.pkg or SharedSupport.dmg, we need to extract BaseSystem.hfs from it.
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self._report_progress(f"Extracting bootable HFS+ image from {basesystem_dmg_path}...")
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if not self._extract_hfs_from_dmg(basesystem_dmg_path, self.temp_basesystem_hfs_path):
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raise RuntimeError("Failed to extract HFS+ image from installer assets.")
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elif basesystem_dmg_path.endswith("BaseSystem.dmg"): # If it's BaseSystem.dmg directly
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self._report_progress(f"Extracting bootable HFS+ image from {basesystem_dmg_path}...")
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if not self._extract_hfs_from_dmg(basesystem_dmg_path, self.temp_basesystem_hfs_path):
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raise RuntimeError("Failed to extract HFS+ image from BaseSystem.dmg.")
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else:
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raise RuntimeError(f"Unsupported file type for BaseSystem extraction: {basesystem_dmg_path}")
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self._report_progress(f"Writing BaseSystem HFS+ image to {macos_partition_dev} using dd...")
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self._run_command(["sudo", "dd", f"if={self.temp_basesystem_hfs_path}", f"of={macos_partition_dev}", "bs=4M", "status=progress", "oflag=sync"])
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self._report_progress("Mounting macOS Install partition on USB...")
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self._run_command(["sudo", "mount", macos_partition_dev, self.mount_point_usb_macos_target])
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# Copy BaseSystem.dmg & .chunklist to /System/Library/CoreServices/
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core_services_path_usb = os.path.join(self.mount_point_usb_macos_target, "System", "Library", "CoreServices")
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self._run_command(["sudo", "mkdir", "-p", core_services_path_usb])
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# Find original BaseSystem.dmg and chunklist in download path to copy them
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actual_bs_dmg = self._find_source_file(["BaseSystem.dmg"], "original BaseSystem.dmg for copying")
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if actual_bs_dmg:
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self._report_progress(f"Copying {actual_bs_dmg} to {core_services_path_usb}/BaseSystem.dmg")
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self._run_command(["sudo", "cp", actual_bs_dmg, os.path.join(core_services_path_usb, "BaseSystem.dmg")])
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bs_chunklist = actual_bs_dmg.replace(".dmg", ".chunklist")
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if os.path.exists(bs_chunklist):
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self._report_progress(f"Copying {bs_chunklist} to {core_services_path_usb}/BaseSystem.chunklist")
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self._run_command(["sudo", "cp", bs_chunklist, os.path.join(core_services_path_usb, "BaseSystem.chunklist")])
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else: self._report_progress(f"Warning: BaseSystem.chunklist not found at {bs_chunklist}")
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else: self._report_progress("Warning: Could not find original BaseSystem.dmg in download path to copy to CoreServices.")
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# Copy InstallInfo.plist
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install_info_src = self._find_source_file(["InstallInfo.plist"], "InstallInfo.plist")
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if install_info_src:
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self._report_progress(f"Copying {install_info_src} to {self.mount_point_usb_macos_target}/InstallInfo.plist")
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self._run_command(["sudo", "cp", install_info_src, os.path.join(self.mount_point_usb_macos_target, "InstallInfo.plist")])
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else: self._report_progress("Warning: InstallInfo.plist not found in download path.")
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# Copy Packages (placeholder - needs more specific logic based on gibMacOS output structure)
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self._report_progress("Placeholder: Copying macOS installation packages to USB (e.g., /System/Installation/Packages)...")
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# Example: sudo rsync -a /path/to/downloaded_packages_dir/ /mnt/usb_macos_target/System/Installation/Packages/
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# This needs to correctly identify the source Packages directory from gibMacOS output.
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# For now, we'll skip actual copying of packages folder, as its location and content can vary.
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# A proper implementation would require inspecting the gibMacOS download structure.
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# Create the directory though:
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self._run_command(["sudo", "mkdir", "-p", os.path.join(self.mount_point_usb_macos_target, "System", "Installation", "Packages")])
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# --- OpenCore EFI Setup ---
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self._report_progress("Setting up OpenCore EFI on ESP...")
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if not os.path.isdir(OC_TEMPLATE_DIR):
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self._report_progress(f"FATAL: OpenCore template directory not found at {OC_TEMPLATE_DIR}. Cannot proceed."); return False
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self._report_progress(f"Copying OpenCore EFI template from {OC_TEMPLATE_DIR} to {self.temp_efi_build_dir}")
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self._run_command(["sudo", "cp", "-a", f"{OC_TEMPLATE_DIR}/.", self.temp_efi_build_dir]) # Copy contents
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temp_config_plist_path = os.path.join(self.temp_efi_build_dir, "EFI", "OC", "config.plist") # Assume template is named config.plist
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if not os.path.exists(temp_config_plist_path) and os.path.exists(os.path.join(self.temp_efi_build_dir, "EFI", "OC", "config-template.plist")):
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# If template is config-template.plist, rename it for enhancement
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shutil.move(os.path.join(self.temp_efi_build_dir, "EFI", "OC", "config-template.plist"), temp_config_plist_path)
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if self.enhance_plist_enabled and enhance_config_plist and os.path.exists(temp_config_plist_path):
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self._report_progress("Attempting to enhance config.plist...")
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if enhance_config_plist(temp_config_plist_path, self.target_macos_version, self._report_progress):
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self._report_progress("config.plist enhancement successful.")
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else: self._report_progress("config.plist enhancement failed or had issues. Continuing with (potentially original template) plist.")
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self._run_command(["sudo", "mount", esp_partition_dev, self.mount_point_usb_esp])
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self._report_progress(f"Copying final EFI folder to USB ESP ({self.mount_point_usb_esp})...")
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self._run_command(["sudo", "rsync", "-avh", "--delete", f"{self.temp_efi_build_dir}/EFI/", f"{self.mount_point_usb_esp}/EFI/"])
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self._report_progress("USB Installer creation process completed successfully.")
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return True
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except Exception as e:
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self._report_progress(f"An error occurred during USB writing: {e}")
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import traceback; self._report_progress(traceback.format_exc())
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return False
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finally:
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self._cleanup_temp_files_and_dirs()
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if __name__ == '__main__':
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if os.geteuid() != 0: print("Please run this script as root (sudo) for testing."); exit(1)
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print("USB Writer Linux Standalone Test - Installer Method")
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mock_download_dir = f"temp_macos_download_test_{os.getpid()}"
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os.makedirs(mock_download_dir, exist_ok=True)
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# Create a dummy placeholder for what gibMacOS might download
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# This is highly simplified. A real gibMacOS download has a complex structure.
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# For this test, we'll simulate having BaseSystem.dmg and InstallInfo.plist
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mock_install_data_path = os.path.join(mock_download_dir, "macOS_Install_Data") # Simplified path
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os.makedirs(mock_install_data_path, exist_ok=True)
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dummy_bs_dmg_path = os.path.join(mock_install_data_path, "BaseSystem.dmg")
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dummy_installinfo_path = os.path.join(mock_download_dir, "InstallInfo.plist") # Often at root of a specific product download
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if not os.path.exists(dummy_bs_dmg_path):
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# Create a tiny dummy file for 7z to "extract" from.
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# To make _extract_hfs_from_dmg work, it needs a real DMG with a HFS part.
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# This is hard to mock simply. For now, it will likely fail extraction.
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# A better mock would be a small, actual DMG with a tiny HFS file.
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print(f"Creating dummy BaseSystem.dmg at {dummy_bs_dmg_path} (will likely fail HFS extraction in test without a real DMG structure)")
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with open(dummy_bs_dmg_path, "wb") as f: f.write(os.urandom(1024*10)) # 10KB dummy
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if not os.path.exists(dummy_installinfo_path):
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with open(dummy_installinfo_path, "w") as f: f.write("<plist><dict><key>DummyInstallInfo</key><true/></dict></plist>")
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# Create dummy EFI template
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if not os.path.exists(OC_TEMPLATE_DIR): os.makedirs(OC_TEMPLATE_DIR)
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if not os.path.exists(os.path.join(OC_TEMPLATE_DIR, "EFI", "OC")): os.makedirs(os.path.join(OC_TEMPLATE_DIR, "EFI", "OC"))
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dummy_config_template_path = os.path.join(OC_TEMPLATE_DIR, "EFI", "OC", "config.plist") # Name it config.plist directly
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if not os.path.exists(dummy_config_template_path):
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with open(dummy_config_template_path, "w") as f: f.write("<plist><dict><key>TestTemplate</key><true/></dict></plist>")
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print("\nAvailable block devices (be careful!):")
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subprocess.run(["lsblk", "-d", "-o", "NAME,SIZE,MODEL"], check=True)
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test_device = input("\nEnter target device (e.g., /dev/sdX). THIS DEVICE WILL BE WIPED: ")
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if not test_device or not test_device.startswith("/dev/"):
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print("Invalid device. Exiting.")
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else:
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confirm = input(f"Are you absolutely sure you want to wipe {test_device} and create installer? (yes/NO): ")
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success = False
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if confirm.lower() == 'yes':
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writer = USBWriterLinux(
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device=test_device,
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macos_download_path=mock_download_dir,
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progress_callback=print,
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enhance_plist_enabled=True,
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target_macos_version="Sonoma"
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)
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success = writer.format_and_write()
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else: print("Test cancelled by user.")
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print(f"Test finished. Success: {success}")
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# Cleanup
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if os.path.exists(mock_download_dir): shutil.rmtree(mock_download_dir, ignore_errors=True)
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# if os.path.exists(OC_TEMPLATE_DIR) and "EFI_template_installer" in OC_TEMPLATE_DIR :
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# shutil.rmtree(OC_TEMPLATE_DIR, ignore_errors=True) # Avoid deleting if it's a real shared template
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print("Mock download dir cleaned up.")
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print(f"Note: {OC_TEMPLATE_DIR} and its contents might persist if not created by this test run specifically.")
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