preinst is in libvirt-bin 0.9.8-2ubuntu17.
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 | #!/bin/sh
set -e
case "${1}" in
upgrade)
# If the default network autostart symlink existed, then note
# that here so we can recreate it at postinst.
EXISTED="/etc/libvirt/qemu/networks/autostart/TMP_defaultexisted"
if [ -e /etc/libvirt/qemu/networks/autostart/default.xml ]; then
touch "$EXISTED"
fi
;;
install|abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`${1}'" >&2
exit 1
;;
esac
exit 0
|