This file is indexed.

postinst is in qemu-system-x86 2.0.0~rc1+dfsg-0ubuntu3.

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.

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#!/bin/sh
set -e
# == begin update-alternatives maintscript fragment ==
# This is a script fragment used in postinst, prerm and postrm maintscripts.
# Set up /usr/bin/qemu alternative to be one the qemu-system emulators.
# See #722914 for details about how it is done

arches="i386 x86_64" # our architectures

case "$DPKG_MAINTSCRIPT_NAME:$1" in

  postinst:configure )
    for arch in $arches ; do
      # Set i386 as highest priority,
      # as it has been the default qemu for quite some time.
      case $arch in i386) prio=20;; *) prio=10;; esac
      update-alternatives --install /usr/bin/qemu qemu \
              /usr/bin/qemu-system-$arch $prio
    done;;

  prerm:remove | postrm:disappear )
    for arch in $arches ; do
      update-alternatives --remove qemu /usr/bin/qemu-system-$arch
    done;;

esac

# == end update-alternatives maintscript fragment ==
# Automatically added by dh_installmodules
if [ "$1" = configure ]; then
	if [ -e "/etc/modprobe.d/qemu-system-x86" ]; then
		echo "Preserving user changes to /etc/modprobe.d/qemu-system-x86.conf ..."
		if [ -e "/etc/modprobe.d/qemu-system-x86.conf" ]; then
			mv -f "/etc/modprobe.d/qemu-system-x86.conf" "/etc/modprobe.d/qemu-system-x86.conf.dpkg-new"
		fi
		mv -f "/etc/modprobe.d/qemu-system-x86" "/etc/modprobe.d/qemu-system-x86.conf"
	fi
fi
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/qemu-system-x86" ] || [ -e "/etc/init/qemu-system-x86.conf" ]; then
	if [ ! -e "/etc/init/qemu-system-x86.conf" ]; then
		update-rc.d qemu-system-x86 start 20 S . >/dev/null
	fi
	invoke-rc.d qemu-system-x86 start || :
fi
# End automatically added section