This file is indexed.

postinst is in gnome-icon-theme 3.4.0-0ubuntu1.

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
#! /bin/sh
set -e

write_cache()
{
if [ -x /usr/bin/gtk-update-icon-cache-3.0 ]; then
    if ! gtk-update-icon-cache-3.0 --force --quiet /usr/share/icons/gnome; then
        echo "WARNING: icon cache generation failed"
    fi
fi
}

if [ "$1" = "triggered" ]; then
    write_cache
    exit 0
fi

write_cache