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Please provide information about your setup
dvc --version 0.91.1
The RemoteLOCAL.unprotect function for an output tries to replace the symlink with a copy of the data. First the cache file is copied to a tmp dir, then the link is removed, then the tmp file is renamed. The problem is with the remove function defined here:
def remove(path):
logger.debug("Removing '%s'", path) path = fspath_py35(path)
try:
if os.path.isdir(path):
shutil.rmtree(path, onerror=_chmod)
else:
_chmod(os.unlink, path, None)
except OSError as exc:
if exc.errno != errno.ENOENT:
raise
It calls _chmod on the link path, defined here
def _chmod(func, p, excinfo):
perm = os.lstat(p).st_mode
perm |= stat.S_IWRITE try:
os.chmod(p, perm)
except OSError as exc:
# broken symlink or file is not owned by us
if exc.errno not in [errno.ENOENT, errno.EPERM]:
raise func(p)
but this call os.chmod(p, perm) changes the permissions of the cached file, not the link.
The text was updated successfully, but these errors were encountered:
Windows (or rather NTFS) doesn't allow deleting read-only files, which made us
try to chmod +w first. But that is not necessery on Linux and Mac, and
has led to unnecessary cache file mode changes, which was causing issues
in shared cache scenario when a user that doesn't own a file was trying
to automatically protect it.
Fixesiterative#3618
Windows (or rather NTFS) doesn't allow deleting read-only files, which made us
try to chmod +w first. But that is not necessery on Linux and Mac, and
has led to unnecessary cache file mode changes, which was causing issues
in shared cache scenario when a user that doesn't own a file was trying
to automatically protect it.
Fixes#3618
Please provide information about your setup
dvc --version 0.91.1
The RemoteLOCAL.unprotect function for an output tries to replace the symlink with a copy of the data. First the cache file is copied to a tmp dir, then the link is removed, then the tmp file is renamed. The problem is with the
remove
function defined here:It calls
_chmod
on the link path, defined herebut this call
os.chmod(p, perm)
changes the permissions of the cached file, not the link.The text was updated successfully, but these errors were encountered: