postinst is in app-install-data-partner 16.04.
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 | #!/bin/sh
if [ -x /usr/sbin/update-app-install ]; then
update-app-install || true
fi
|