#!/bin/sh

set -e

is_unmodified() {
    local PKGNAME="$1"
    local CONFFILE="$2"

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

    local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
    local old_md5sum="$(dpkg-query -W -f='${Conffiles}' $PKGNAME | \
            sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
    if [ "$md5sum" = "$old_md5sum" ]; then
        return 0
    fi

    return 1
}

mv_conffile() {
    OLD="$1"
    NEW="$2"
    [ -e "$OLD" ] || return 0

    MD5SUM=`md5sum "$OLD" | sed -e 's/ .*//'`
    ORIG_MD5SUM=`dpkg-query -W -f='${Conffiles}' kbd | sed -n -e "\\' $OLD' { s/ obsolete$//; s/.* //; p }"`
    if [ "$MD5SUM" = "$ORIG_MD5SUM" ]; then
        echo "Removing obsolete unchanged conffile $OLD..." >&2
        rm -f "$OLD"
    else
        echo "Moving obsolete customized conffile $OLD to $NEW..." >&2
        mv -f "$OLD" "$NEW"
    fi
}

case "$1" in
    install|upgrade)
        # rename init script from console-screen.kbd.sh to kbd
        if dpkg --compare-versions "$2" le '1.15-3'; then
            update-rc.d -f console-screen.kbd.sh remove
            mv_conffile /etc/init.d/console-screen.kbd.sh /etc/init.d/kbd
        fi
        # remove init script and config unless it seems to be used.
        if dpkg --compare-versions "$2" le '2.0.3-2~'; then
            if is_unmodified kbd /etc/kbd/config && \
                    is_unmodified kbd /etc/kbd/remap; then
                dpkg-maintscript-helper rm_conffile \
                        /etc/kbd/config 2.0.3-2~ kbd -- "$@"
                dpkg-maintscript-helper rm_conffile \
                        /etc/kbd/remap 2.0.3-2~ kbd -- "$@"
                dpkg-maintscript-helper rm_conffile \
                        /etc/init.d/kbd 2.0.3-2~ kbd -- "$@"
            else
                echo "Warning: leaving unsupported /etc/init.d/kbd and /etc/kbd/* in the hands of the local admin as they seem used... Please manually remove if unwanted. See /usr/share/doc/kbd/NEWS.Debian.gz"
            fi
        fi
esac

# Automatically added by dh_installdeb/12.1.1ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init.d/console-screen.kbd.sh -- "$@"
dpkg-maintscript-helper rm_conffile /etc/init.d/kbd -- "$@"
# End automatically added section


# vim:sw=4:sts=4:et: