mirror/borg
1
0
Fork 0
mirror of https://github.com/borgbackup/borg.git synced 2025-01-01 20:55:16 +00:00
Code Issues Releases Wiki Activity

Correctly handle multiple LD_PRELOAD entries; fixes #1111

Browse source
This commit is contained in:
James Clarke 2016-06-19 22:04:03 +01:00
parent 37835f7d6c
commit d4f5172771
1 changed files with 14 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
src/borg/xattr.py
View file

@ -2,6 +2,7 @@
""" """
import errno import errno
import os import os
import re
import subprocess import subprocess
import sys import sys
import tempfile import tempfile
@ -52,17 +53,20 @@ def get_all(path, follow_symlinks=True):
# the 'test_extract_capabilities' test, but also allows xattrs to work with fakeroot on Linux in normal use. # the 'test_extract_capabilities' test, but also allows xattrs to work with fakeroot on Linux in normal use.
# TODO: Check whether fakeroot supports xattrs on all platforms supported below. # TODO: Check whether fakeroot supports xattrs on all platforms supported below.
# TODO: If that's the case then we can make Borg fakeroot-xattr-compatible on these as well. # TODO: If that's the case then we can make Borg fakeroot-xattr-compatible on these as well.
LD_PRELOAD = os.environ.get('LD_PRELOAD', '')
XATTR_FAKEROOT = False XATTR_FAKEROOT = False
if sys.platform.startswith('linux') and 'fakeroot' in LD_PRELOAD: if sys.platform.startswith('linux'):
fakeroot_version = LooseVersion(subprocess.check_output(['fakeroot', '-v']).decode('ascii').split()[-1]) LD_PRELOAD = os.environ.get('LD_PRELOAD', '')
if fakeroot_version >= LooseVersion("1.20.2"): preloads = re.split("[ :]", LD_PRELOAD)
# 1.20.2 has been confirmed to have xattr support for preload in preloads:
# 1.18.2 has been confirmed not to have xattr support if preload.startswith("libfakeroot"):
# Versions in-between are unknown fakeroot_version = LooseVersion(subprocess.check_output(['fakeroot', '-v']).decode('ascii').split()[-1])
libc_name = LD_PRELOAD if fakeroot_version >= LooseVersion("1.20.2"):
XATTR_FAKEROOT = True # 1.20.2 has been confirmed to have xattr support
# 1.18.2 has been confirmed not to have xattr support
# Versions in-between are unknown
libc_name = preload
XATTR_FAKEROOT = True
break
try: try:
libc = CDLL(libc_name, use_errno=True) libc = CDLL(libc_name, use_errno=True)