Comment 19 for bug 679917

On Tue, Dec 07, 2010 at 12:47:47AM -0000, Yuv wrote:
> Share the patch please. Can't promise (lot of things on my todo list),
> but if it still does not have a preference setting I can contribute
> that.
>
> Place = storage space in the file system? how about taking the time when
> the Hugin instance is started, make it into an epoch, and save it to
> something like /etc/${epoch}.pto ?

/etc is out of the question.

$HOME/.hugin-autosave.$$.pto

($$ = the PID of the running process)

would work fine for me. The question is: who cleans this up?

How about:

$HOME/.hugin-autosave.nn.pto

where nn is a number from 1 to ten. This way you have 10 backups of at
most ten running hugin processes. You don't have to delete them if you
quit. (Sometimes having a backup from a previous session is useful!)

Thus at startup, you'd
 rename $HOME/.hugin-autosave.9.pto $HOME/.hugin-autosave.10.pto
 rename $HOME/.hugin-autosave.8.pto $HOME/.hugin-autosave.9.pto
 rename $HOME/.hugin-autosave.7.pto $HOME/.hugin-autosave.8.pto
 rename $HOME/.hugin-autosave.6.pto $HOME/.hugin-autosave.7.pto
 rename $HOME/.hugin-autosave.5.pto $HOME/.hugin-autosave.6.pto
etc.
and then start saving in

 $HOME/.hugin-autosave.1.pto

but we'd need to keep the filedescriptor to this file so that we'd
keep on saving to the right file even as our autosave file is moved to
a new name by a new instance....

 Rogier.

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