#!/bin/sh -e

dpkg-maintscript-helper rm_conffile /etc/init.d/module-init-tools 3.16-1 -- "$@"
dpkg-maintscript-helper rm_conffile /etc/modprobe.d/aliases.conf 3.16-1 -- "$@"
dpkg-maintscript-helper rm_conffile /etc/init/module-init-tools.conf 9-2ubuntu5 -- "$@"

rm_conffile() {
mv_conffile "$1" "$1.dpkg-bak"
}

mv_conffile() {
local package='module-init-tools'
local name="$1"
local newname="$2"

[ -e "$name" ] || return 0

local md5="$(md5sum $name | sed -e 's/ .*//')"
oldmd5="$(dpkg-query -W -f='${Conffiles}' $package | \
sed -n -e "\' $name ' { s/ obsolete$//; s/.* //; p }")"

if [ "$md5" = "$oldmd5" ]; then
rm -f "$name"
else
mv "$name" "$newname"
fi
}

upgrade_quirks() {
# $2 is non-empty when installing from the "config-files" state
[ "$2" ] || return 0

if dpkg --compare-versions $2 lt 3.10-3; then
if dpkg --compare-versions $2 lt 3.3-pre11-4; then

echo 'Upgrading from packages older than 3.3-pre11-4 is not supported.'
echo 'Please purge module-init-tools before installing this package.'
echo '(But remember to keep a copy of /etc/modules!)'
exit 1

fi # lt 3.1-pre11-1

for file in i386 x86_64 mips s390 parisc sparc powerpc.apus \
powerpc.generic powerpc.pmac m68k.amiga m68k.atari m68k.generic; do
rm_conffile /etc/modprobe.d/arch/$file
done
rmdir /etc/modprobe.d/arch/ 2> /dev/null || true
if [ -L /etc/modprobe.d/arch-aliases \
-a ! -e /etc/modprobe.d/arch-aliases ]; then
rm /etc/modprobe.d/arch-aliases
fi

mv_conffile /etc/modprobe.d/aliases /etc/modprobe.d/aliases.conf

fi # lt 3.10-3
}

case "$1" in
install|upgrade) upgrade_quirks "$@" ;;
esac



exit 0