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95 lines
3.9 KiB
95 lines
3.9 KiB
3 years ago
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#!/usr/bin/env python3
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import argparse
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import plistlib
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import pathlib
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import sys
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import tarfile
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import gzip
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import os
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import contextlib
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@contextlib.contextmanager
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def cd(path):
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"""Context manager that restores PWD even if an exception was raised."""
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old_pwd = os.getcwd()
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os.chdir(str(path))
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try:
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yield
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finally:
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os.chdir(old_pwd)
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def run():
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parser = argparse.ArgumentParser(
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description=__doc__, formatter_class=argparse.RawTextHelpFormatter)
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parser.add_argument('xcode_app', metavar='XCODEAPP', nargs=1)
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parser.add_argument("-o", metavar='OUTSDKTGZ', nargs=1, dest='out_sdktgz', required=False)
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args = parser.parse_args()
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xcode_app = pathlib.Path(args.xcode_app[0]).resolve()
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assert xcode_app.is_dir(), "The supplied Xcode.app path '{}' either does not exist or is not a directory".format(xcode_app)
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xcode_app_plist = xcode_app.joinpath("Contents/version.plist")
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with xcode_app_plist.open('rb') as fp:
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pl = plistlib.load(fp)
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xcode_version = pl['CFBundleShortVersionString']
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xcode_build_id = pl['ProductBuildVersion']
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print("Found Xcode (version: {xcode_version}, build id: {xcode_build_id})".format(xcode_version=xcode_version, xcode_build_id=xcode_build_id))
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sdk_dir = xcode_app.joinpath("Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk")
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sdk_plist = sdk_dir.joinpath("System/Library/CoreServices/SystemVersion.plist")
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with sdk_plist.open('rb') as fp:
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pl = plistlib.load(fp)
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sdk_version = pl['ProductVersion']
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sdk_build_id = pl['ProductBuildVersion']
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print("Found MacOSX SDK (version: {sdk_version}, build id: {sdk_build_id})".format(sdk_version=sdk_version, sdk_build_id=sdk_build_id))
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out_name = "Xcode-{xcode_version}-{xcode_build_id}-extracted-SDK-with-libcxx-headers".format(xcode_version=xcode_version, xcode_build_id=xcode_build_id)
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xcode_libcxx_dir = xcode_app.joinpath("Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1")
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assert xcode_libcxx_dir.is_dir()
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if args.out_sdktgz:
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out_sdktgz_path = pathlib.Path(args.out_sdktgz_path)
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else:
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# Construct our own out_sdktgz if not specified on the command line
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out_sdktgz_path = pathlib.Path("./{}.tar.gz".format(out_name))
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def tarfp_add_with_base_change(tarfp, dir_to_add, alt_base_dir):
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"""Add all files in dir_to_add to tarfp, but prepent MEMBERPREFIX to the files'
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names
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e.g. if the only file under /root/bazdir is /root/bazdir/qux, invoking:
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tarfp_add_with_base_change(tarfp, "foo/bar", "/root/bazdir")
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would result in the following members being added to tarfp:
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foo/bar/ -> corresponding to /root/bazdir
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foo/bar/qux -> corresponding to /root/bazdir/qux
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"""
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def change_tarinfo_base(tarinfo):
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if tarinfo.name and tarinfo.name.startswith("./"):
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tarinfo.name = str(pathlib.Path(alt_base_dir, tarinfo.name))
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if tarinfo.linkname and tarinfo.linkname.startswith("./"):
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tarinfo.linkname = str(pathlib.Path(alt_base_dir, tarinfo.linkname))
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return tarinfo
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with cd(dir_to_add):
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tarfp.add(".", recursive=True, filter=change_tarinfo_base)
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print("Creating output .tar.gz file...")
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with out_sdktgz_path.open("wb") as fp:
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with gzip.GzipFile(fileobj=fp, compresslevel=9, mtime=0) as gzf:
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with tarfile.open(mode="w", fileobj=gzf) as tarfp:
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print("Adding MacOSX SDK {} files...".format(sdk_version))
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tarfp_add_with_base_change(tarfp, sdk_dir, out_name)
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print("Adding libc++ headers...")
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tarfp_add_with_base_change(tarfp, xcode_libcxx_dir, "{}/usr/include/c++/v1".format(out_name))
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print("Done! Find the resulting gzipped tarball at:")
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print(out_sdktgz_path.resolve())
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if __name__ == '__main__':
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run()
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