[Digikam-devel] [PATCH] Numbered Backups

[David Faure]

On Tuesday 17 January 2006 21:35, Achim Bohnet wrote:
> On Tuesday 17 January 2006 19:27, Tom Albers wrote:
> > Op dinsdag 17 januari 2006 00:37, schreef Allen Winter:
> > > Hi,
> > >
> > > Attached is a patch that provides numbered backups (eg. fred.~1~, fred.~2~,
> > > ..., fred.~N~, where N is limited, default=10) in the KSaveFile class.  It
> > > also renames the current backupFile() method to simpleBackupFile() and then
> > > provides a new backupFile() method that reads the user's global configfile
> > > for backup file parameters: the backup type, the backup extension, and the
> > > max number of backups.
> > >
> > > Thus we could extend to other file backup schemes later, if desired.
> > >
> > > An idea that would compliment this very well, and also provide a very cheap
> > > revision control method, is a File->Revert capability which works as our
> > > typical file selector dialog, but filters on the backup extension.
> > >
> > > For example, you are drawing in Krita.  You have 10 numbered backups of
> > > that drawing.  You totally screw-up and want to revert back to an older
> > > version.   Select File->Revert, and  file selection dialog pop-ups with all
> > > 10 backups listed.  If you have preview on, you could click each backup
> > > file, preview each drawing, then select which one you'd like to revert to. 
> > >  Click <OK>.  Click <Yes> are sure you want to revert?
> > >
> > > Anyhow, comments appreciated.
> 
> I have not seen the patch, so I can't check, but I would like that
> the first backup (assumed it's the original) never deleted.  So
> 
> 	1st:	fred.orig
> 	2nd:	name.~1~
> 	3rd:	fred.~2~
> 	etc
> 
> This way one can _always_ go back and start from beginning of the
> image manipulation even with a default of 1 (only keep orig version).
> for space limited environments.

This sounds strange to me. If I have only one backup, it should be the last
save, not the very first version of the file  (compare with text editors saving foo~ files).

This is about the user saving, not about autosaves.

-- 
David Faure, faure at kde.org, sponsored by Trolltech to work on KDE,
Konqueror (http://www.konqueror.org), and KOffice (http://www.koffice.org).