postinst is in libgdk-pixbuf2.0-0 2.32.2-1ubuntu1.
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 31 32 33 | #!/bin/sh
set -e
LOADERS_DIR=/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders
LOADERS_DIR_OLD=/usr/lib/gdk-pixbuf-2.0/2.10.0/loaders
if [ "$1" = triggered ]; then
for trigger in $2; do
if ! [ -d $trigger ]; then
continue
fi
case $trigger in
$LOADERS_DIR|$LOADERS_DIR_OLD)
# This is triggered everytime an application installs a
# GdkPixbuf loader
/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders \
$(find $LOADERS_DIR $LOADERS_DIR_OLD -name *.so 2> /dev/null) \
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache || true
;;
esac
done
exit 0
fi
# Also handle the initial installation
if [ -d $LOADERS_DIR ] || [ -d $LOADERS_DIR_OLD ]; then
/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders \
$(find $LOADERS_DIR $LOADERS_DIR_OLD -name *.so 2> /dev/null) \
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache || true
fi
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