On Jun 8, 2010, at 2:52, Jeremy Dolan wrote:
> I use Dropbox's syncing softwave and have this same problem. I use the
> following technique, which helps somewhat, but it's not 100% safe.
>
> In general preferences, turn on "Automatically save Skim notes backups" (on
> all machines where you use Skim).
>
> Now when you save foo.pdf at the office, you'll also write to a normal file
> foo.skim, which contains the notes in addition to the file's xattrs. So this
> file will sync normally with whatever syncing software you use. And when you
> open foo.pdf from home, Skim will say: no notes found, but backup file found;
> do you want to load those?
>
> The danger is, depending on how your syncing software works, you can end up
> with multiple note sets for a pdf, and end up overwriting newer data with
> older. Suppose you open foo.pdf from home, and it prompts you to load in the
> foo.skim backup file. Great. Now you add more notes, and save. Great again,
> all of your notes get saved to the xattrs as well as the backup file. But now
> you go back to the office, where the local file system already has xattrs
> notes for foo.pdf--the OLD xattrs. It's my understanding that in this case,
> Skim won't prompt you to load the backup notes file, even those it's newer
> than the xattrs and contains more data. It won't even warn you there's
> conflicting data. Worse, now if you make a change to foo.pdf at the office,
> when you save it again, you'll overwrite the backup file with the data from
> home.
>
> Current versions of Dropbox SEEM to re-download foo.pdf after it's been saved
> by Skim from another location, thereby wiping out the local xattrs, even
> though no relevant data in the file has changed. Because of this inexplicable
> behavior, I haven't lost data in a while. But I'm on thin ice, I'm sure.
I think Dropbox only handles some specific attributes, not all of them.
>
> So basically, there is no good way to use Skim in these situations. Moreover,
> the developer is not interested in making the "backup" files anything more
> than backups, despite the use people are already forced into putting them to.
>
> I don't think there is even a way to save as a "PDF bundle" by default.
No need for that, you can just use Save As.
> That would break easy compatibility with other PDF apps, but at least it
> would work reliably with most syncing software.
>
> Good luck,
> Jeremy
>
Though you can go into the PDF bundle (Finder, contextual menu, Show Package
Contents).
Christiaan
>
> On Jun 7, 2010, at 6:33 PM, Brennon Bortz wrote:
>
>> Does anyone use store files they edit with Skim in Git repositories? My
>> heart was broken today to come home and find that all the work I'd done in
>> Skim the office didn't make the trip to the repository along with the .pdfs
>> themselves once Git was done with them. Git doesn't xattrs--in fact, it
>> wipes them. In fact, lots of file syncing and VCS utilities do this.
>>
>> This is no problem for certain uses of extended attributes. Frankly, there
>> are certain things that OS X uses xattrs for that I wouldn't want travelling
>> around in shared repos. However, xattrs are meant for, well,
>> attributes--not file data (or, "data I want to associate with another file's
>> data"). I understand that this is a necessary hack for Skim's purposes (and
>> an elegant one, no less), but frankly somewhat antithetical to the purpose
>> of attributes. So has anyone figured out a way to pass around Skim-edited
>> files in VCS systems, etc. and keep those precious notes? Here's to hoping
>> so! <Lifts whiskey...>
>>
>> Thanks,
>>
>> Brennon Bortz
>> Software Researcher
>> Dundalk Institute of Technology
>> [email protected]
>> Ph.D. Researcher & Composer - Sonic Arts Research Centre
>> Queen's University, Belfast
>> [email protected] / [email protected]
>>
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