Re: [9front] upas/fs: copy messages between IMAP folders

[Risto Salminen <risto.salminen@gmx.com>]

Hello,

> The only nitpick after using this for a while is re: moves to and from
> the 'Inbox'.
>
> Assuming the following mailboxes:
>
>   term% upas/fs -f /imaps/mail.9lab.org/igor
>   term% echo open /imaps/mail.9lab.org/igor/Hacking Hacking  >/mail/fs/ctl
>
> Moving two message from 'Hacking' to 'Inbox' looks like this:
>
>   term% echo move Hacking 677 674 Inbox >/mail/fs/ctl
>
> Moving messages from 'Inbox' to 'Hacking' looks like this:
>
>   term% echo move mbox 4 3 Hacking >/mail/fs/ctl
>
> Note that the former move requires the IMAP folder name 'Inbox', the
> latter move requires the use of 'mbox' (i.e. 'Inbox' does not work).

This is how it is supposed to work.

The source of the move is the local label by which upas
presents the folder in /mail/fs/, which is implicitly
'mbox' if not explicitly specified.  Therefore ones
inbox, perhaps usually 'Inbox' in the IMAP server, is
commonly presented as 'mbox' by upas, and not by its
actual folder name.

The target, on the other hand, is the name of the folder
in the IMAP server, because the move is done inside the
IMAP server.  The local label defines the IMAP connection,
and therefore it indeed can be different from the actual
name of the folder in the IMAP server.

The confusion therefore arises from the fact that people
usually present their IMAP 'Inbox' as 'mbox' in upas,
but then present every other folder by their actual
names in the IMAP server, for example IMAP 'Hacking'
as 'Hacking' in upas.  In this case, if IMAP 'Hacking'
folder was known as 'nonhacking' by upas, then messages
could be moved as 'move nonhacking 677 674 Inbox' and
'move mbox 4 3 Hacking'.

As a summary, the source is the upas label and the
target is the folder in the IMAP server.

Thanks,
rsal