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xattr LD_PRELOAD: diaper

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This commit is contained in:
Marian Beermann 2016-07-12 16:07:22 +02:00
parent 2c616527cf
commit 70c2d69799
1 changed files with 17 additions and 14 deletions
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31
borg/xattr.py
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@ -53,20 +53,23 @@ if libc_name is None:
# 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: If that's the case then we can make Borg fakeroot-xattr-compatible on these as well.
XATTR_FAKEROOT = False
if sys.platform.startswith('linux'):
LD_PRELOAD = os.environ.get('LD_PRELOAD', '')
preloads = re.split("[ :]", LD_PRELOAD)
for preload in preloads:
if preload.startswith("libfakeroot"):
fakeroot_version = LooseVersion(subprocess.check_output(['fakeroot', '-v']).decode('ascii').split()[-1])
if fakeroot_version >= LooseVersion("1.20.2"):
# 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:
XATTR_FAKEROOT = False
if sys.platform.startswith('linux'):
LD_PRELOAD = os.environ.get('LD_PRELOAD', '')
preloads = re.split("[ :]", LD_PRELOAD)
for preload in preloads:
if preload.startswith("libfakeroot"):
fakeroot_version = LooseVersion(subprocess.check_output(['fakeroot', '-v']).decode('ascii').split()[-1])
if fakeroot_version >= LooseVersion("1.20.2"):
# 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
except:
pass
try:
libc = CDLL(libc_name, use_errno=True)