Public bug reported:
/var/lib/dpkg/info/libgtk-3-0:<arch>.postinst breaks InputMethod(IM)
cache file(immodules.cache), so that breaks IM environment for GTK-3
based applications.
[How to reproduce]
1) install precise
2) sudo apt-get update && sudo apt-get upgrade libgtk-3-0=3.3.4-0ubuntu2
3) open gnome-terminal
4) Type ctrl-space(or your IM invoke key)
[Actual results]
IM(e.g. ibus) does not invoked. But, non GTK-3 application (such as
Firefox) could use ibus.
[Expect results]
IM invoked.
[Root cause/Background]
In many IM stacks, that use /usr/lib/<arch>/gtk-3.0/3.0.0/immodules.cache file
for invoking.
If that file has exists && empty, IM stacks could not start on GTK-3
applications.
in GTK-3 postinst scriptlet(e.g.
/var/lib/dpkg/info/libgtk-3-0:i386.postinst), that uses shell-globs with
unsafe way. If glob files does not exist, gtk-query-immodules-3.0
command does not output anything. So, /usr/lib/i386-linux-
gnu/gtk-3.0/3.0.0/immodules.cache file xed out by redirectiton.
if [ "$1" = triggered ]; then
for trigger in $2; do
if ! [ -d $trigger ]; then
continue
fi
case $trigger in
/usr/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules|/usr/lib/gtk-3.0/3.0.0/immodules)
# This is triggered everytime an application installs a
# GTK immodule loader
/usr/lib/i386-linux-gnu/libgtk-3-0/gtk-query-immodules-3.0
/usr/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules/*.so
/usr/lib/gtk-3.0/3.0.0/immodules/*.so >
/usr/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules.cache || true
;;
esac
done
exit 0
fi
e.g.:
# /usr/lib/i386-linux-gnu/libgtk-3-0/gtk-query-immodules-3.0
/usr/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules/*.so
/usr/lib/gtk-3.0/3.0.0/immodules/*.so
/usr/lib/i386-linux-gnu/libgtk-3-0/gtk-query-immodules-3.0
/usr/lib/i386-linux-gnu/gtk-3.0/3.0.0/immodules/*.so
/usr/lib/gtk-3.0/3.0.0/immodules/*.so
Cannot load module /usr/lib/gtk-3.0/3.0.0/immodules/*.so:
/usr/lib/gtk-3.0/3.0.0/immodules/*.so: cannot open shared object file: No such
file or directory
/usr/lib/gtk-3.0/3.0.0/immodules/*.so does not export GTK+ IM module API:
/usr/lib/gtk-3.0/3.0.0/immodules/*.so: cannot open shared object file: No such
file or directory
----------------------------------------------------------------
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libgtk-3-0 3.3.4-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-13.22-generic-pae 3.0.6
Uname: Linux 3.0.0-13-generic-pae i686
ApportVersion: 1.90-0ubuntu1
Architecture: i386
Date: Tue Dec 27 00:45:22 2011
InstallationMedia: Ubuntu 11.10 "Oneiric" - Build i386 LIVE Binary
20111014-16:01
ProcEnviron:
PATH=(custom, user)
LANG=ja_JP.utf8
SHELL=/bin/zsh
SourcePackage: gtk+3.0
UpgradeStatus: Upgraded to precise on 2011-12-13 (12 days ago)
** Affects: gtk+3.0 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise running-unity
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https://bugs.launchpad.net/bugs/908801
Title:
libgtk-3-0:<arch>.postinst erase IM cache file, that breaks GTK-3 apps
IM environment.
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