diff options
Diffstat (limited to 'contrib/macdeploy/gen-sdk')
| -rwxr-xr-x | contrib/macdeploy/gen-sdk | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/contrib/macdeploy/gen-sdk b/contrib/macdeploy/gen-sdk index ebef1d2db0..d70cc8613c 100755 --- a/contrib/macdeploy/gen-sdk +++ b/contrib/macdeploy/gen-sdk @@ -8,6 +8,21 @@ import gzip import os import contextlib +# monkey-patch Python 3.8 and older to fix wrong TAR header handling +# see https://github.com/bitcoin/bitcoin/pull/24534 +# and https://github.com/python/cpython/pull/18080 for more info +if sys.version_info < (3, 9): + _old_create_header = tarfile.TarInfo._create_header + def _create_header(info, format, encoding, errors): + buf = _old_create_header(info, format, encoding, errors) + # replace devmajor/devminor with binary zeroes + buf = buf[:329] + bytes(16) + buf[345:] + # recompute checksum + chksum = tarfile.calc_chksums(buf)[0] + buf = buf[:-364] + bytes("%06o\0" % chksum, "ascii") + buf[-357:] + return buf + tarfile.TarInfo._create_header = staticmethod(_create_header) + @contextlib.contextmanager def cd(path): """Context manager that restores PWD even if an exception was raised.""" @@ -75,14 +90,21 @@ def run(): 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 0x0644 return tarinfo with cd(dir_to_add): + # recursion already adds entries in sorted order tarfp.add(".", recursive=True, filter=change_tarinfo_base) print("Creating output .tar.gz file...") with out_sdktgz_path.open("wb") as fp: with gzip.GzipFile(fileobj=fp, mode='wb', compresslevel=9, mtime=0) as gzf: - with tarfile.open(mode="w", fileobj=gzf) as tarfp: + with tarfile.open(mode="w", fileobj=gzf, format=tarfile.GNU_FORMAT) as tarfp: print("Adding MacOSX SDK {} files...".format(sdk_version)) tarfp_add_with_base_change(tarfp, sdk_dir, out_name) print("Adding libc++ headers...") |