mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-11-23 18:15:30 +00:00
504 lines
14 KiB
Python
Executable File
504 lines
14 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import errno
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import lzma
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import multiprocessing
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import os
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import os.path as op
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import platform
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import shutil
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import stat
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import subprocess
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import sys
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import urllib.request
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import zipfile
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from distutils.dir_util import copy_tree
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def error(str):
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if is_ci:
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print(f'\n ! {str}\n')
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else:
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print(f'\n\033[41m{str}\033[0m\n')
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sys.exit(1)
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def header(str):
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if is_ci:
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print(f'\n{str}\n')
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else:
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print(f'\n\033[44m{str}\033[0m\n')
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def vprint(str):
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if args.verbose:
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print(str)
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is_windows = os.name == 'nt'
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is_ci = 'CI' in os.environ and os.environ['CI'] == 'true'
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if not is_ci and is_windows:
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import colorama
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colorama.init()
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# Environment checks
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if not sys.version_info >= (3, 6):
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error('Requires Python 3.6+')
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if 'ANDROID_SDK_ROOT' not in os.environ:
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error('Please add Android SDK path to ANDROID_SDK_ROOT environment variable!')
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try:
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subprocess.run(['javac', '-version'],
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stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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except FileNotFoundError:
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error('Please install JDK and make sure \'javac\' is available in PATH')
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cpu_count = multiprocessing.cpu_count()
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archs = ['armeabi-v7a', 'x86', 'arm64-v8a', 'x86_64']
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default_targets = ['magisk', 'magiskinit', 'magiskboot', 'busybox']
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support_targets = default_targets + ['magiskpolicy', 'resetprop', 'test']
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ndk_root = op.join(os.environ['ANDROID_SDK_ROOT'], 'ndk')
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ndk_path = op.join(ndk_root, 'magisk')
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ndk_build = op.join(ndk_path, 'ndk-build')
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gradlew = op.join('.', 'gradlew' + ('.bat' if is_windows else ''))
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# Global vars
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config = {}
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STDOUT = None
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build_tools = None
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def mv(source, target):
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try:
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shutil.move(source, target)
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vprint(f'mv {source} -> {target}')
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except:
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pass
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def cp(source, target):
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try:
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shutil.copyfile(source, target)
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vprint(f'cp {source} -> {target}')
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except:
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pass
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def rm(file):
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try:
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os.remove(file)
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vprint(f'rm {file}')
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except OSError as e:
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if e.errno != errno.ENOENT:
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raise
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def rm_on_error(func, path, _):
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# Remove a read-only file on Windows will get "WindowsError: [Error 5] Access is denied"
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# Clear the "read-only" and retry
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os.chmod(path, stat.S_IWRITE)
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os.unlink(path)
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def rm_rf(path):
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vprint(f'rm -rf {path}')
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shutil.rmtree(path, ignore_errors=True, onerror=rm_on_error)
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def mkdir(path, mode=0o755):
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try:
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os.mkdir(path, mode)
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except:
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pass
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def mkdir_p(path, mode=0o755):
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os.makedirs(path, mode, exist_ok=True)
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def execv(cmd):
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return subprocess.run(cmd, stdout=STDOUT)
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def system(cmd):
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return subprocess.run(cmd, shell=True, stdout=STDOUT)
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def cmd_out(cmd):
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return subprocess.check_output(cmd).strip().decode('utf-8')
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def xz(data):
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return lzma.compress(data, preset=9, check=lzma.CHECK_NONE)
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def parse_props(file):
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props = {}
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with open(file, 'r') as f:
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for line in [l.strip(' \t\r\n') for l in f]:
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if line.startswith('#') or len(line) == 0:
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continue
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prop = line.split('=')
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if len(prop) != 2:
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continue
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value = prop[1].strip(' \t\r\n')
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if len(value) == 0:
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continue
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props[prop[0].strip(' \t\r\n')] = value
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return props
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def load_config(args):
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commit_hash = cmd_out(['git', 'rev-parse', '--short=8', 'HEAD'])
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# Default values
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config['version'] = commit_hash
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config['outdir'] = 'out'
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# Load prop files
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if op.exists(args.config):
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config.update(parse_props(args.config))
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for key, value in parse_props('gradle.properties').items():
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if key.startswith('magisk.'):
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config[key[7:]] = value
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try:
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config['versionCode'] = int(config['versionCode'])
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except ValueError:
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error('Config error: "versionCode" is required to be an integer')
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mkdir_p(config['outdir'])
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global STDOUT
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STDOUT = None if args.verbose else subprocess.DEVNULL
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def collect_binary():
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for arch in archs:
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mkdir_p(op.join('native', 'out', arch))
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for bin in support_targets:
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source = op.join('native', 'libs', arch, bin)
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target = op.join('native', 'out', arch, bin)
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mv(source, target)
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def clean_elf():
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if is_windows:
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elf_cleaner = op.join('tools', 'elf-cleaner.exe')
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else:
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elf_cleaner = op.join('native', 'out', 'elf-cleaner')
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if not op.exists(elf_cleaner):
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execv(['g++', '-std=c++11', 'tools/termux-elf-cleaner/termux-elf-cleaner.cpp',
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'-o', elf_cleaner])
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args = [elf_cleaner]
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args.extend(op.join('native', 'out', arch, 'magisk')
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for arch in archs)
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execv(args)
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def find_build_tools():
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global build_tools
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if build_tools:
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return build_tools
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build_tools_root = op.join(os.environ['ANDROID_SDK_ROOT'], 'build-tools')
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ls = os.listdir(build_tools_root)
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# Use the latest build tools available
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ls.sort()
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build_tools = op.join(build_tools_root, ls[-1])
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return build_tools
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# Unused but keep this code
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def sign_zip(unsigned):
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if 'keyStore' not in config:
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return
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msg = '* Signing APK'
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apksigner = op.join(find_build_tools(), 'apksigner' + ('.bat' if is_windows else ''))
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exec_args = [apksigner, 'sign',
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'--ks', config['keyStore'],
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'--ks-pass', f'pass:{config["keyStorePass"]}',
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'--ks-key-alias', config['keyAlias'],
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'--key-pass', f'pass:{config["keyPass"]}',
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'--v1-signer-name', 'CERT',
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'--v4-signing-enabled', 'false']
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if unsigned.endswith('.zip'):
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msg = '* Signing zip'
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exec_args.extend(['--min-sdk-version', '17',
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'--v2-signing-enabled', 'false',
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'--v3-signing-enabled', 'false'])
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exec_args.append(unsigned)
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header(msg)
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proc = execv(exec_args)
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if proc.returncode != 0:
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error('Signing failed!')
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def binary_dump(src, out, var_name):
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out.write(f'constexpr unsigned char {var_name}[] = {{')
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for i, c in enumerate(xz(src.read())):
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if i % 16 == 0:
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out.write('\n')
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out.write(f'0x{c:02X},')
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out.write('\n};\n')
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out.flush()
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def run_ndk_build(flags):
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os.chdir('native')
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proc = system(f'{ndk_build} {base_flags} {flags} -j{cpu_count}')
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if proc.returncode != 0:
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error('Build binary failed!')
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os.chdir('..')
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collect_binary()
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def dump_bin_headers():
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stub = op.join(config['outdir'], 'stub-release.apk')
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if not op.exists(stub):
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error('Build stub APK before building "magiskinit"')
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mkdir_p(op.join('native', 'out'))
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with open(op.join('native', 'out', 'binaries.h'), 'w') as out:
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with open(stub, 'rb') as src:
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binary_dump(src, out, 'manager_xz')
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def build_binary(args):
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# Verify NDK install
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props = parse_props(op.join(ndk_path, 'source.properties'))
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if props['Pkg.Revision'] != config['fullNdkVersion']:
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error('Incorrect NDK. Please install/upgrade NDK with "build.py ndk"')
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if args.target:
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args.target = set(args.target) & set(support_targets)
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if not args.target:
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return
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else:
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args.target = default_targets
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header('* Building binaries: ' + ' '.join(args.target))
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update_flags = False
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flags = op.join('native', 'jni', 'include', 'flags.hpp')
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flags_stat = os.stat(flags)
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if op.exists(args.config):
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if os.stat(args.config).st_mtime_ns > flags_stat.st_mtime_ns:
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update_flags = True
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if os.stat('gradle.properties').st_mtime_ns > flags_stat.st_mtime_ns:
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update_flags = True
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if update_flags:
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os.utime(flags)
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# Basic flags
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global base_flags
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base_flags = f'MAGISK_VERSION={config["version"]} MAGISK_VER_CODE={config["versionCode"]}'
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if not args.release:
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base_flags += ' MAGISK_DEBUG=1'
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flag = ''
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if 'magisk' in args.target:
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flag += ' B_MAGISK=1'
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if 'test' in args.target:
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flag += ' B_TEST=1'
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if 'magiskinit' in args.target:
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dump_bin_headers()
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flag += ' B_INIT=1'
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if 'magiskpolicy' in args.target:
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flag += ' B_POLICY=1'
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if 'resetprop' in args.target:
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flag += ' B_PROP=1'
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if 'magiskboot' in args.target:
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flag += ' B_BOOT=1'
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if flag:
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run_ndk_build(flag)
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if 'magisk' in args.target:
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clean_elf()
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if 'busybox' in args.target:
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run_ndk_build('B_BB=1')
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def build_apk(args, module):
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build_type = 'Release' if args.release or module == 'stub' else 'Debug'
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proc = execv([gradlew, f'{module}:assemble{build_type}',
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'-PconfigPath=' + op.abspath(args.config)])
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if proc.returncode != 0:
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error(f'Build {module} failed!')
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build_type = build_type.lower()
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apk = f'{module}-{build_type}.apk'
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source = op.join(module, 'build', 'outputs', 'apk', build_type, apk)
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target = op.join(config['outdir'], apk)
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mv(source, target)
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header('Output: ' + target)
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def build_app(args):
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header('* Building the Magisk app')
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build_apk(args, 'app')
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def build_stub(args):
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header('* Building stub APK')
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build_apk(args, 'stub')
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def build_snet(args):
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if not op.exists(op.join('stub', 'src', 'main', 'java', 'com', 'topjohnwu', 'snet')):
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error('snet sources have to be bind mounted on top of the stub folder')
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header('* Building snet extension')
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proc = execv([gradlew, 'stub:assembleRelease'])
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if proc.returncode != 0:
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error('Build snet extention failed!')
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source = op.join('stub', 'build', 'outputs', 'apk',
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'release', 'stub-release.apk')
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target = op.join(config['outdir'], 'snet.jar')
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# Extract classes.dex
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with zipfile.ZipFile(target, 'w', compression=zipfile.ZIP_DEFLATED, allowZip64=False) as zout:
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with zipfile.ZipFile(source) as zin:
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zout.writestr('classes.dex', zin.read('classes.dex'))
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rm(source)
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header('Output: ' + target)
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def cleanup(args):
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support_targets = {'native', 'java'}
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if args.target:
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args.target = set(args.target) & support_targets
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else:
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# If nothing specified, clean everything
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args.target = support_targets
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if 'native' in args.target:
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header('* Cleaning native')
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rm_rf(op.join('native', 'out'))
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rm_rf(op.join('native', 'libs'))
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rm_rf(op.join('native', 'obj'))
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if 'java' in args.target:
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header('* Cleaning java')
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execv([gradlew, 'clean'])
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def setup_ndk(args):
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os_name = platform.system().lower()
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ndk_ver = config['ndkVersion']
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url = f'https://dl.google.com/android/repository/android-ndk-r{ndk_ver}-{os_name}-x86_64.zip'
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ndk_zip = url.split('/')[-1]
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header(f'* Downloading {ndk_zip}')
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with urllib.request.urlopen(url) as response, open(ndk_zip, 'wb') as out_file:
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shutil.copyfileobj(response, out_file)
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header('* Extracting NDK zip')
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rm_rf(ndk_path)
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with zipfile.ZipFile(ndk_zip, 'r') as zf:
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for info in zf.infolist():
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print(f'Extracting {info.filename}')
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if info.external_attr == 2716663808: # symlink
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src = zf.read(info).decode("utf-8")
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dest = op.join(ndk_root, info.filename)
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os.symlink(src, dest)
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continue
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extracted_path = zf.extract(info, ndk_root)
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if info.create_system == 3: # ZIP_UNIX_SYSTEM = 3
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unix_attributes = info.external_attr >> 16
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if unix_attributes:
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os.chmod(extracted_path, unix_attributes)
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mv(op.join(ndk_root, f'android-ndk-r{ndk_ver}'), ndk_path)
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header('* Patching static libs')
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for api in ['16', '21']:
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for target in ['aarch64-linux-android', 'arm-linux-androideabi',
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'i686-linux-android', 'x86_64-linux-android']:
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arch = target.split('-')[0]
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lib_dir = op.join(
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ndk_path, 'toolchains', 'llvm', 'prebuilt', f'{os_name}-x86_64',
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'sysroot', 'usr', 'lib', f'{target}', api)
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if not op.exists(lib_dir):
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continue
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src_dir = op.join('tools', 'ndk-bins', api, arch)
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rm(op.join(src_dir, '.DS_Store'))
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for path in copy_tree(src_dir, lib_dir):
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vprint(f'Replaced {path}')
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def build_all(args):
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vars(args)['target'] = []
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build_stub(args)
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build_binary(args)
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build_app(args)
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parser = argparse.ArgumentParser(description='Magisk build script')
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parser.set_defaults(func=lambda x: None)
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parser.add_argument('-r', '--release', action='store_true',
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help='compile in release mode')
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parser.add_argument('-v', '--verbose', action='store_true',
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help='verbose output')
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parser.add_argument('-c', '--config', default='config.prop',
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help='custom config file (default: config.prop)')
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subparsers = parser.add_subparsers(title='actions')
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all_parser = subparsers.add_parser(
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'all', help='build everything')
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all_parser.set_defaults(func=build_all)
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binary_parser = subparsers.add_parser('binary', help='build binaries')
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binary_parser.add_argument(
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'target', nargs='*', help=f"{', '.join(support_targets)}, \
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or empty for defaults ({', '.join(default_targets)})")
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binary_parser.set_defaults(func=build_binary)
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app_parser = subparsers.add_parser('app', help='build the Magisk app')
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app_parser.set_defaults(func=build_app)
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stub_parser = subparsers.add_parser(
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'stub', help='build stub APK')
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stub_parser.set_defaults(func=build_stub)
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# Need to bind mount snet sources on top of stub folder
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# Note: source code for the snet extension is *NOT* public
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snet_parser = subparsers.add_parser(
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'snet', help='build snet extension')
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snet_parser.set_defaults(func=build_snet)
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clean_parser = subparsers.add_parser('clean', help='cleanup')
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clean_parser.add_argument(
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'target', nargs='*', help='native, java, or empty to clean both')
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clean_parser.set_defaults(func=cleanup)
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ndk_parser = subparsers.add_parser('ndk', help='setup Magisk NDK')
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ndk_parser.set_defaults(func=setup_ndk)
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if len(sys.argv) == 1:
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parser.print_help()
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sys.exit(1)
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args = parser.parse_args()
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load_config(args)
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# Call corresponding functions
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args.func(args)
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