Public bug reported:
This is a re-reporting of Debian #636173, since the actual failure is
only triggered on Ubuntu.
debian/fontconfig.postinst includes this snippet:
if dpkg --compare-versions "$2" lt 2.4.0-1; then
printf "Cleaning up old fontconfig caches... "
for dir in /usr/share/fonts /var/lib/defoma/fontconfig.d
/usr/X11R6/lib/X11/fonts /usr/local/share/fonts ; do
if [ -d $dir ]; then
find $dir -name fonts.cache-1 -exec rm -f \{\} \;
find $dir -depth -mindepth 1 -type d -exec rmdir
--ignore-fail-on-non-empty \{\} \;
fi
done
...
This block gets run when fontconfig is initially installed, as well as
when upgrading from fontconfig (<< 2.4.0-1). This interacts poorly with
Ubuntu's ttf-mscorefonts-installer package, which includes an empty
/usr/share/fonts/truetype/msttcorefonts directory and writes files to
that directory in the postinst. If you install fontconfig and ttf-
mscorefonts-installer in the same apt run, the directory will get
unpacked, fontconfig's postinst will rmdir it, and ttf-mscorefont-
installer's postinst will get really confused.
I proposed to Debian that it would suffice to just use "lt-nl" instead of "lt",
so that an empty $2 (a new install) causes dpkg
--compare-versions to return false. That way the cleanup code only runs on
upgrade from the old version of fontconfig, where it is presumably actually
needed, and not on first install.
For more context, see
https://bugs.launchpad.net/ubuntu/+source/msttcorefonts/+bug/670629
comments 14 (which prompted packaging the empty directory) and 29
http://debathena.mit.edu/trac/ticket/975
comments "Pretty sure this is entirely different..." and "Anders and I found
the bug..."
** Affects: fontconfig (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/819097
Title:
fontconfig: don't "clean up" on new installs
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