postinst is in libgtk-3-0 3.4.1-0ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #!/bin/sh
set -e
if [ "$1" = triggered ]; then
for trigger in $2; do
if ! [ -d $trigger ]; then
continue
fi
case $trigger in
/usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules)
# This is triggered everytime an application installs a
# GTK immodule loader
/usr/lib/x86_64-linux-gnu/libgtk-3-0/gtk-query-immodules-3.0 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/*.so > /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules.cache || true
;;
esac
done
exit 0
fi
# Automatically added by dh_makeshlibs
if [ "$1" = "configure" ]; then
ldconfig
fi
# End automatically added section
# Also handle the initial installation
if [ -d /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules ]; then
/usr/lib/x86_64-linux-gnu/libgtk-3-0/gtk-query-immodules-3.0 /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/*.so > /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules.cache || true
fi
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