Re: Metadata support
Re: Metadata support
- Subject: Re: Metadata support
- From: "Jordan K. Hubbard" <email@hidden>
- Date: Wed, 28 Jun 2006 21:49:42 -0700
On Jun 28, 2006, at 9:04 PM, Dan Shoop wrote:
At 12:10 AM -0700 6/28/06, Jordan K. Hubbard wrote:
On Jun 27, 2006, at 12:17 PM, Dan Shoop wrote:
- rsync -aE doesn't preserve BSD flags, locked flag, modification
date of files with resource forks, ACLs (I'm sure there's
gazillions of rdars)
It also doesn't appear to be able to copy files with both ACLs and
resource forks. It appears to only work if you have one or the
other. At least that was the last time I checked.
That's not true. rsync copies all EAs, of which ACLs are simply
examples of. It also copies a couple of "synthetic EAs", namely
the old-style resource fork information and the finderInfo. As far
as rsync (and tar and anyone else using copyfile()) is concerned,
however, it's just a list of EAs scattered across several different
namespaces (for various reasons, ACL-containing EAs are logically
segregated). If you want to do more digging for yourself, simply
check out the source code for copyfile() and the behavior of the
getxattr() call.
If this was fixed then it was fixed extremely recently as the issue
has been well reported extensively.
Actually attempting to test this just now (under 10.4.6)
consistently leads to a rsync EXC_BAD_ACCESS crash in acl_from_text
and copyfile. Basically this seems to occur anytime I try to rsync a
file with both and ACL and EA.
If you can send me your data as an attachment, or file a radar and
attach the data to it, I'll see that it's looked at. It shouldn't
crash, obviously.
- Jordan
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