Files
bitcoin/contrib/macdeploy/gen-sdk.py
fanquake 3e01b5d0e7 contrib: rename gen-sdk to gen-sdk.py
This puts it in scope for the Python linters.
2025-11-26 11:08:31 +00:00

94 lines
4.0 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import plistlib
import pathlib
import tarfile
import os
import contextlib
@contextlib.contextmanager
def cd(path):
"""Context manager that restores PWD even if an exception was raised."""
old_pwd = os.getcwd()
os.chdir(str(path))
try:
yield
finally:
os.chdir(old_pwd)
def run():
parser = argparse.ArgumentParser(
description=__doc__, formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument('xcode_app', metavar='XCODEAPP', type=pathlib.Path)
parser.add_argument("-o", metavar='OUTSDKTAR', dest='out_sdkt', type=pathlib.Path, required=False)
args = parser.parse_args()
xcode_app = args.xcode_app.resolve()
assert xcode_app.is_dir(), "The supplied Xcode.app path '{}' either does not exist or is not a directory".format(xcode_app)
xcode_app_plist = xcode_app.joinpath("Contents/version.plist")
with xcode_app_plist.open('rb') as fp:
pl = plistlib.load(fp)
xcode_version = pl['CFBundleShortVersionString']
xcode_build_id = pl['ProductBuildVersion']
print("Found Xcode (version: {xcode_version}, build id: {xcode_build_id})".format(xcode_version=xcode_version, xcode_build_id=xcode_build_id))
sdk_dir = xcode_app.joinpath("Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk")
sdk_plist = sdk_dir.joinpath("System/Library/CoreServices/SystemVersion.plist")
with sdk_plist.open('rb') as fp:
pl = plistlib.load(fp)
sdk_version = pl['ProductVersion']
sdk_build_id = pl['ProductBuildVersion']
print("Found MacOSX SDK (version: {sdk_version}, build id: {sdk_build_id})".format(sdk_version=sdk_version, sdk_build_id=sdk_build_id))
out_name = "Xcode-{xcode_version}-{xcode_build_id}-extracted-SDK-with-libcxx-headers".format(xcode_version=xcode_version, xcode_build_id=xcode_build_id)
out_sdkt_path = args.out_sdkt or pathlib.Path("./{}.tar".format(out_name))
def tarfp_add_with_base_change(tarfp, dir_to_add, alt_base_dir):
"""Add all files in dir_to_add to tarfp, but prepend alt_base_dir to the files'
names
e.g. if the only file under /root/bazdir is /root/bazdir/qux, invoking:
tarfp_add_with_base_change(tarfp, "foo/bar", "/root/bazdir")
would result in the following members being added to tarfp:
foo/bar/ -> corresponding to /root/bazdir
foo/bar/qux -> corresponding to /root/bazdir/qux
"""
def change_tarinfo_base(tarinfo):
if tarinfo.name and tarinfo.name.endswith((".swiftmodule", ".modulemap")):
return None
if tarinfo.name and tarinfo.name.startswith("./"):
tarinfo.name = str(pathlib.Path(alt_base_dir, tarinfo.name))
if tarinfo.linkname and tarinfo.linkname.startswith("./"):
tarinfo.linkname = str(pathlib.Path(alt_base_dir, tarinfo.linkname))
# make metadata deterministic
tarinfo.mtime = 0
tarinfo.uid, tarinfo.uname = 0, ''
tarinfo.gid, tarinfo.gname = 0, ''
# don't use isdir() as there are also executable files present
tarinfo.mode = 0o0755 if tarinfo.mode & 0o0100 else 0o0644
return tarinfo
with cd(dir_to_add):
# recursion already adds entries in sorted order
tarfp.add("./usr/include", recursive=True, filter=change_tarinfo_base)
tarfp.add("./usr/lib", recursive=True, filter=change_tarinfo_base)
tarfp.add("./System/Library/Frameworks", recursive=True, filter=change_tarinfo_base)
print("Creating output .tar file...")
with out_sdkt_path.open("wb") as fp:
with tarfile.open(mode="w", fileobj=fp, format=tarfile.PAX_FORMAT) as tarfp:
print("Adding MacOSX SDK {} files...".format(sdk_version))
tarfp_add_with_base_change(tarfp, sdk_dir, out_name)
print("Done! Find the resulting tarball at:")
print(out_sdkt_path.resolve())
if __name__ == '__main__':
run()