https://bugzilla.samba.org/show_bug.cgi?id=14183
Bug ID: 14183
Summary: rsync fails transferring only attributes for file
without write permission
Product: rsync
Version: 3.1.3
Hardware: x64
OS: Mac OS X
Status: NEW
Severity: normal
Priority: P5
Component: core
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
When a file’s extended attributes have changed but its contents have not and
the user does not have write permission for the source file (irrespective of
the destination file permissions), rsync fails with a permission error from
lsetxattr.
Using rsync 3.1.3 on macOS 10.14.6, the output of these commands:
cd /var/tmp
mkdir stage
mkdir stage/{source,destination}
touch stage/source/foo
rsync -a --xattrs stage/source/ stage/destination/
xattr -w abc def stage/source/foo
chmod ugo-w stage/source/foo
rsync -a --xattrs stage/source/ stage/destination/
is:
rsync: rsync_xal_set:
lsetxattr("/private/var/tmp/stage/destination/foo","abc") failed: Permission
denied (13)
rsync error: some files/attrs were not transferred (see previous errors)
(code 23) at main.c(1189) [sender=3.1.3]
Note that if "echo ghi >stage/source/foo" is inserted after the first rsync,
the second rsync is perfectly happy to update the file, including the extended
attributes. Only when the extended attributes but not the contents are being
updated does rsync encounter the permissions problem.
These commands demonstrate the problem with both sides local, but it occurs
with a remote side as well.
This problem is not evident in the rsync 2.6.9 distributed by Apple with macOS.
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