sh setup.sh does not change directory permissions

• Regression

Although the files are owned by the same user that runs the script the directory permissions do not get changed.

firedragonvbs@FiredragonVBS:~/public_html/cms/tiki-9.x$ sh setup.sh -u firedragonvbs -g firedragonvbs
You are not root or you are on a shared hosting account. You can now:

1- ctrl-c to break now.

or

2- If you press enter to continue, you will probably get some error messages
but it (the script) will still fix what it can according to the permissions
of your user. This script will now ask you some questions. If you don't know
what to answer, just press enter to each question (to use default value)
> Press enter to continue:
> Multi []:
Checking dirs :
db ... ok.
dump ... ok.
img/wiki ... ok.
img/wiki_up ... ok.
img/trackers ... ok.
modules/cache ... ok.
temp ... ok.
temp/cache ... ok.
temp/public ... ok.
templates_c ... ok.
templates ... ok.
styles ... ok.
maps ... ok.
whelp ... ok.
mods ... ok.
files ... ok.
tiki_tests/tests ... ok.
temp/unified-index ... ok.
Fix global perms ...
You are not root. We will not try to change the file owners.
Change group to firedragonvbs ... done.
Fix normal dirs ... done.
Fix special dirs ... done.

Tiki is not properly set up:

The directory '/home/firedragonvbs/public_html/cms/tiki-9.x/dump/' is not writeable by www-data.
The directory '/home/firedragonvbs/public_html/cms/tiki-9.x/img/wiki/' is not writeable by www-data.
The directory '/home/firedragonvbs/public_html/cms/tiki-9.x/img/wiki_up/' is not writeable by www-data.
The directory '/home/firedragonvbs/public_html/cms/tiki-9.x/modules/cache/' is not writeable by www-data.
The directory '/home/firedragonvbs/public_html/cms/tiki-9.x/temp/' is not writeable by www-data.
The directory '/home/firedragonvbs/public_html/cms/tiki-9.x/templates_c/' is not writeable by www-data.

This bug has been demonstrated on show2.tiki.org

Please demonstrate your bug on show2.tiki.org

This bug has been demonstrated on show.tikiwiki.org

Please demonstrate your bug on show.tikiwiki.org