offlineimap smart backup synchronization = bidirectional synchronization without deleting any messages

[Rainer M Krug]

On 20/12/12 09:40, Edward Z. Yang wrote:
> The key question you want to ask here is, if a new email shows up on the local maildir, should 
> it get uploaded to Gmail?

If I set the "readonly=TRUE" for the remote gmail repository, then not, if it s set to
"readonly=FALSE" then yes. In my case, I would like to have it *not* sync back to gmail.


> 
> If the answer is yes, then the attached patch should be sufficient.

It seems you have forgotten the patch?

> If the answer is no, then essentially what you want is a one way sync.

True - that is what I was thinking about. (which would be equal to "nodelete=TRUE" and
"readonly=FALSE" for the local repo, and "readonly=TRUE" for the remote gmail repo.

Rainer

> 
> Edward
> 
> Excerpts from Rainer M Krug's message of Thu Dec 20 16:36:46 +0800 2012:
>> On 20/12/12 09:03, Edward Z. Yang wrote:
>>> OK, so you basically want OfflineIMAP to never delete anything. That would work, in that 
>>> case.
>>> 
>>> Edawrd
>> 
>> This sounds very promising, only that in my case I would combine it with "readonly=TRUE" on 
>> the gmail account. By doing this, I could delete emails on gmail, and they would stay in my 
>> local maildir, but not be synced back. Very nice.
>> 
>> Could I suggest, that this could become an option in offlineimap, so that I can set an 
>> "no-delete = TRUE" option, where only messages are created in this account, but not deleted?
>> 
>> Should not be to difficult to implement (I am unfortunately not familiar at all with the 
>> inner workings of offlineimap), and a very useful option for backup of emails in case of a 
>> serer failure / accidental deletion of emails on server side.
>> 
>> 
>> Cheers,
>> 
>> Rainer
>> 
>>> 
>>> Excerpts from proxym's message of Thu Dec 20 13:18:55 +0800 2012:
>>>> I need removing it every time, because I want that: 1) all messages which were deleted 
>>>> locally will be restored from remote instead of removing on remote 2) all messages which 
>>>> were deleted remotely will be restored from local instead of removing on local
>>>> 
>>>> I assume that every time before I started offlineimap some messages can be deleted on 
>>>> local maildir or remote imap.
>>>> 
>>>> 2012/12/20 Edward Z. Yang <ezyang at mit.edu>:
>>>>> Excerpts from proxym's message of Thu Dec 20 12:46:35 +0800 2012:
>>>>>> Then the best solution for me is just a total removing of status folder 
>>>>>> (/home/username/.offlineimap) before every start of offlineimap, isn't it?
>>>>>> 
>>>>>> I can't believe that it is so simple =)
>>>>> 
>>>>> Well, after your status folder is initialized for the first time, you shouldn't need to
>>>>> remove it again.
>>>>> 
>>>>> Edward
>>> 
>>> _______________________________________________ OfflineIMAP-project mailing list 
>>> OfflineIMAP-project at lists.alioth.debian.org 
>>> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/offlineimap-project
>>> 
>>> OfflineIMAP homepage: http://software.complete.org/offlineimap
>>> 
> 
> _______________________________________________ OfflineIMAP-project mailing list 
> OfflineIMAP-project at lists.alioth.debian.org 
> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/offlineimap-project
> 
> OfflineIMAP homepage: http://software.complete.org/offlineimap
>