[Dovecot] enable of "imapflags", possible patch (was Re: libsieve problems / wishes)

[Steffen Kaiser]

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On Thu, 12 Feb 2009, Stephan Bosch wrote:

> Ok, I finished implementing the 'imapflags' variant of the imap4flags 
> extension. It turned out to be relatively easy to provide support for the 
> obsolete mark/unmark commands, so I added those as well. Note that the 
> imapflags extension is not available to the users by default: it needs to be 
> enabled explicitly using the sieve_extensions setting (as explained in the 
> INSTALL file).

I was fighting how to enable the "imapflags" alias.

src/lib-sieve/sieve-extensions.c looks like you have to enumerate all 
enabled extensions, everything else gets disabled.

I made an approach to make life easier by to allow relative changes. At 
least I can now use

sieve_extenions = +imapflags

for my Horde/Ingo scripts to work. I did not tested anything else. (The 
most complex script requires:

* Required extensions:

   0: comparator-i;ascii-numeric (11)
   1: fileinto (5)
   2: imapflags (21)
   3: relational (12)
   4: vacation (9)
   5: imap4flags (14)

)

The idea is that if there is at least one extension prefixed with '+' or 
'-', all listed extensions without such modifier are assumed as to have 
'+' as well. And that the state of extensions not listed is kept 
untouched.

sieved missed '-x <ext>' in the help text.

Bye,

- -- 
Steffen Kaiser
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