#!/bin/sh
set -e

rm_conffile() {
    PKGNAME="$1"
    CONFFILE="$2"
    if [ -e "$CONFFILE" ]; then
        md5sum="$(md5sum "$CONFFILE" | sed -e 's/ .*//')"
        old_md5sum="$(dpkg-query -W -f='${Conffiles}\n' $PKGNAME | sed -n -e "\\' $CONFFILE '{s/ obsolete$//;s/.* //p}")"
        if [ "$md5sum" != "$old_md5sum" ]; then
            echo "Obsolete conffile $CONFFILE has been modified by you."
            echo "Saving as $CONFFILE.dpkg-bak ..."
            mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
        else
            echo "Removing obsolete conffile $CONFFILE ..."
            rm -f "$CONFFILE"
        fi
    fi
}

case "$1" in
    install|upgrade)
    if dpkg --compare-versions "$2" le "1:7.1.293-1"; then
        rm_conffile vim-common /etc/vim/vimrc.tiny
    fi
esac



exit 0