[pkg-lighttpd] Bug#680755: lighttpd: Upgrading from Squeeze disables directory listing

[Konstantin Khomoutov]

Package: lighttpd
Version: 1.4.31-1
Severity: important

Stock /etc/lighttpd/lighttpd.conf configuration file as packaged in
Squeeze contains these lines (uncommented):

dir-listing.encoding        = "utf-8"
server.dir-listing          = "enable"

In the new version, packaged with Wheezy, this snippet has been
moved to its own configuration file,
/etc/lighttpd/conf-available/10-dir-listing.conf
and the user now is supposed to explicitly enable this module
(mod_dirlisting) by running

# lighty-enable-mod dir-listing

While I think this change is generally a good idea, upgrading to Wheezy
broke the directory listing behaviour for me as the mentioned
configuration file wasn't symlinked under /etc/lighttpd/conf-enabled/
automatically for me.

>From comparing the lists of Squeeze and Wheezy lighttpd packages,
I gather that the mod_dirlisting configuration has been "modularized"
when preparing the new package.
Hence I propose that at least this change in behaviour should be
mentioned in NEWS.Debian.
Ideally though, the upgrading script should attempt to parse
the existing configuration file to gather if the user has mod_dirlisting
enabled and if so, replace the contents of
/etc/lighttpd/conf-available/10-dir-listing.conf
with the extracted values and then symlink it under the
/etc/lighttpd/conf-enabled/ directory.
If the user has the server.dir-listing directive commented out, no
action could be taken.
Unfortunately, the case of the user having the dir-listing.encoding option
uncommented and changed from the default value, and the
server.dir-listing option commented out is also possible.

I attached my Squeeze configuration file just in case.

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-2-686-pae (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages lighttpd depends on:
ii  libattr1                    1:2.4.46-8
ii  libbz2-1.0                  1.0.6-3
ii  libc6                       2.13-33
ii  libgamin0 [libfam0]         0.1.10-4
ii  libldap-2.4-2               2.4.28-1.1
ii  libpcre3                    1:8.30-5
ii  libssl1.0.0                 1.0.1c-3
ii  libterm-readline-perl-perl  1.0303-1
ii  lsb-base                    4.1+Debian7
ii  mime-support                3.52-1
ii  perl                        5.14.2-12
ii  zlib1g                      1:1.2.7.dfsg-13

Versions of packages lighttpd recommends:
pn  spawn-fcgi  <none>

Versions of packages lighttpd suggests:
pn  apache2-utils  <none>
ii  openssl        1.0.1c-3
pn  rrdtool        <none>

-- no debconf information
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