I have Release 2012-01-25b "Angua" from debian official rep, so I try to upgrade it with
upgrade Plugin.
So
1st step: Check
DokuWiki 2015-08-10a "Detritus" is available for download.
You're currently running DokuWiki Release 2012-01-25b "Angua".
2nd: download
Downloading archive from
https://github.com/splitbrain/dokuwiki/archive/stable.tar.gz...
Download completed (3.2 MB).
3rd:Unpack
Unpacking completed.
DokuWiki 2015-08-10a "Detritus" is ready to install (You're currently running Release 2012-01-25b "Angua").
next
Checking file permissions...
! /conf is not writable!
<many other fcking permission errors>
conf is drwxr-xr-x, owner is www-data www-data, so it must be writable
What is wrong?