Public bug reported:
In the phpymadmin.postinst dpkg script
(/var/lib/dpkg/info/phpmyadmin.postinst), there are three lines like the
following:
ln -s ../../phpmyadmin/phpmyadmin.service /etc/avahi/services/
ln -s ../../phpmyadmin/lighttpd.conf
/etc/lighttpd/conf-available/50-phpmyadmin.conf
ln -sf ../../phpmyadmin/apache.conf
/etc/apache2/conf-available/phpmyadmin.conf
Interestingly, there are other symlink creation statements that instead
contain the absolute path of the same directory, ie:
ln -s /etc/phpmyadmin/phpmyadmin.desktop /usr/share/applications/
The issue: Our apache configurations are under version control. We
have implemented this by symlinking /etc/apache2 subdirectories directly
into a subversion working copy:
conf-available -> /home/web-maintainer/svn/ApacheConf/conf-available//
conf-enabled -> /home/web-maintainer/svn/ApacheConf/conf-enabled//
envvars -> /home/web-maintainer/svn/ApacheConf/envvars
magic -> /home/web-maintainer/svn/ApacheConf/magic
ports.conf -> /home/web-maintainer/svn/ApacheConf/ports.conf
sites-available -> /home/web-maintainer/svn/ApacheConf/sites-available//
sites-enabled -> /home/web-maintainer/svn/ApacheConf/sites-enabled//
Long story short, the postinst install scripts "../../phpmyadmin" links
(at top) do not correctly resolve as /etc/phpmyadmin in this case.
This causes "sudo apt-get install phpmyadmin" to fail with error (1).
(Note: Adding a "set -x" to the top of the postinst script allowed me to
find and debug this condition.)
Proposed Fix:
I manually edited phpmyadmin.postinst to have absolute paths in the
symlink statements above, and dpkg was able to continue and successfully
install phpmyadmin.
Perhaps there is some other reason (which I am unfamilar with) to have
relative links for some but not all cases in phpmyadmin.postinst, but I
believe either absolute paths to /etc/phpmyadmin, or a more
sophisticated determination of the phpmyadmin configuration directory
would be appropriate. I am particularly worried that when an update
comes along, and my modified phpmyadmin.postinst is replaced, update of
phpmyadmin will fail again.
** Affects: phpmyadmin (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1701335
Title:
phpmyadmin dpkg postinst fails due to relative paths
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