Re: [Evolution-hackers] Moving from the single mbox file format for the local folders

[Chenthill <pchenthill novell com>]

On Tue, 2009-12-15 at 15:09 -0500, Reid Thompson wrote:
> On Wed, 2009-12-16 at 01:16 +0530, Chenthill wrote:
> 
> > 
> > Approach #1,
> > migrating local storage from mbox to maildir format. With maildir I
> > have
> > heard about two issues,
> > 
> > * Not able to create subfolders under INBOX -
> > https://bugzilla.gnome.org/show_bug.cgi?id=536240 .
> I hadn't noticed the above, so I guess it's a non-issue for me
> 
> What is the second issue?
Sorry missed to mention it here, with maildir we would need to rename
files for unread/read flag changes which can be avoided in the later
approach.

> > 
> > Approach #2,
> > Migrate from a single mbox file per folder to mbox per email. Srini
> > mentioned an advantage that this would avoid the file renames that
> > maildir does. I think this is much like how other remote providers
> in
> > evo store the email.
> You still have a filename per email right?
yes.
> What naming convention would be used?
We would be using the uid of the message . uid would be a 32 bit
unsigned integer.

> > 
> > I thought of bring this in this list to gather more opinions to
> choose
> > the right one. The approach #2 seems a better one as we are choosing
> a
> > way for storing the messages internally in evo. Are we missing to
> see
> > anything while we choose the second one ? 
> > 
> > One advantage which I see with #1 is that its a standard way.
> Would Evo provide a mechanism to migrate/convert a mailbox/folder with
> this format to a mailbox/folder with a standard format?
Yes we would provide an UI option for exporting data. While going with
the second approach, I would prefer exporting in maildir format.

> I.E. Currently, dragging a folder in one format to an account in a
> different format performs the proper migration to the new account's
> folder format.
> 
> Or would it be up to the user to do something like
> 
> for file in `ls *mbox`
> do
>    movemail $file maildir:///tmp/maildr
> done
> 
> if they wanted to migrate to standard format?
It would be the same behavior as before with the mbox-file-per-email if
we choose to do that.

- Chenthill.
> > 
> > Thanks, Chenthill.
>