Joliet and release ISOs?

[Lowell Gilbert]

Tim Kientzle <kientzle at freebsd.org> writes:

> John Hay wrote:
>> On Fri, Jul 17, 2009 at 09:56:34PM -0700, Tim Kientzle wrote:
>>> Do we need Joliet extensions on the release ISOs?
>>>
>>> The reason I ask is a little involved:  jkim@ recently
>>> pointed out to me that tar in -CURRENT can no longer
>>> extract symlinks from the release ISOs.
>>>
>>> I tracked this down to the fact that the release ISOs
>>> have both Joliet and RockRidge extensions and tar now
>>> supports (and actually prefers) Joliet extensions when
>>> it sees them. Joliet doesn't support symlinks, so tar
>>> doesn't see symlinks on disks with both kinds of extensions.
>>
>> What is the reason for prefering Juliet in tar? Can't we
>> just swap the preference?
>
> Because of the way libarchive works internally coupled with
> basic differences in how Joliet and RockRidge information
> is stored, it turns out that libarchive has to decide
> whether or not to use the Joliet information before it
> can tell whether RockRidge information is available.
> So preferring RockRidge is actually quite difficult.
>
> I would like to change this, but it's going to be
> quite a while before I have enough time to work on it.

Sounds like you're out of good options then.  Maybe a good temporary
workaround would be a switch to disable Joliet support?