[horde] Upgrade problems from 3.x to 4.x

[Vilius Šumskas]

> My webserver is currently running version 3.3.9, which was installed as
> part of the Horde Groupware Webmail Edition 1.2.7.  It works fine.
> 
> However, I can't figure out how to upgrade to the most recent version of
> Horde. I've backed up the database and the horde directory, and have
> attempted the PEAR upgrade described at
> http://www.horde.org/apps/horde/docs/INSTALL#installing-with-pear.
> 
> As the file path, I specified /var/www/webmail, which is where the
> current version is installed (not /var/www/webmail/horde or anything
> like that).

A folder for new installation should be empty. You cannot upgrade on top of existing files.
 
> Running "sudo pear install -a -B horde/horde" appeared to download all
> of the requirements except some alpha PECLs until finally the
> installation reported that it had completed.
> 
> However, none of the files in /var/www/webmail were altered by this
> installation, leaving the original Horde 3.3.9 still installed!
> 
> Attempting another run of "sudo pear install -a -B horde/horde" gives a
> number of complaints like:
> 
> ...
> horde/Horde_Icalendar requires package "horde/Horde_Mime" (version >=
> 1.0.0, version <= 2.0.0, excluded versions: 2.0.0)
> horde/Horde_SyncMl requires package "horde/Horde_Icalendar" (version
> >=
> 1.0.0, version <= 2.0.0, excluded versions: 2.0.0)
> horde/Horde_Imap_Client requires package "horde/Horde_Mime" (version
> >=
> 1.0.0, version <= 2.0.0, excluded versions: 2.0.0)
> No valid packages found
> install failed
> 
> What am I doing wrong?

You didn't discover/updated Horde's PEAR channel.

-- 
  Vilius