#!/bin/sh

set -e

# Source debconf library.
. /usr/share/debconf/confmodule

CONFIGDIR=/etc/console-setup
CONFIGFILE=/etc/default/console-setup

# turn around bug in dpkg (#17624)
# The following line should be uncommented before the next stable
# release of Debian.
#if dpkg --compare-versions "$2" lt-nl 1.82; then
    # Replace directory with symlink.
    if \
        [ ! -L /usr/share/doc/console-setup ] \
        && [ -d /usr/share/doc/console-setup ]
    then
	if rmdir /usr/share/doc/console-setup 2>/dev/null; then
	    ln -sf keyboard-configuration /usr/share/doc/console-setup
	fi
    fi
#fi

if [ "$1" = "configure" -a ! -L "$CONFIGFILE" ]; then
    
    db_get console-setup/codesetcode
    codeset="$RET"
    db_get console-setup/fontface47
    fontface="$RET"
    db_metaget console-setup/use_system_font description
    if [ "$fontface" = "$RET" ]; then
	fontface=''
    fi
    db_metaget console-setup/guess_font description
    if [ "$fontface" = "$RET" ]; then
	fontface=guess
    fi
    db_get console-setup/fontsize
    fontsize="$RET"
    if [ -z "$fontface" ]; then
	fontsize=''
    fi

    db_get console-setup/charmap47
    charmap="${RET:-UTF-8}"

    if [ ! -e $CONFIGFILE ]; then
        case `uname` in
            *Linux*) consoles='/dev/tty[1-6]' ;;
            *FreeBSD*) consoles='/dev/ttyv[0-5]' ;;
        esac
        sed "s|^ *ACTIVE_CONSOLES=.*|ACTIVE_CONSOLES=\"${consoles}\"|" \
            /usr/share/console-setup/console-setup >$CONFIGFILE || true
    fi

    . $CONFIGFILE || true

    CONSOLE_MAP=${CONSOLE_MAP:-$ACM}

# If $CONFFILE is produced by an old version of console-setup(-mini)
    if \
	grep "^ *XKBLAYOUT=" $CONFIGFILE >/dev/null || \
	! grep "^ *CHARMAP=" $CONFIGFILE >/dev/null
    then
	cp -a $CONFIGFILE $CONFIGFILE.tmp

	cat /usr/share/console-setup/console-setup >$CONFIGFILE.tmp

	cat >>$CONFIGFILE.tmp <<EOF

######################################################################
# You can remove the lines that follow.  They contain the contents of
# this file before version 1.47 of console-setup.
######################################################################
EOF
	sed 's/^/# /' <$CONFIGFILE >>$CONFIGFILE.tmp

	mv -f $CONFIGFILE.tmp $CONFIGFILE
    fi

    # Ensure we do not mess up the config file's ownership and permissions.
    cp -a -f $CONFIGFILE $CONFIGFILE.tmp

    # If the admin deleted or commented some variables but then set
    # them via debconf, (re-)add them to the conffile.
    for var in \
	ACTIVE_CONSOLES CHARMAP CODESET FONTFACE FONTSIZE
    do
        if ! grep "^ *${var}=" $CONFIGFILE >/dev/null; then
	    echo "${var}=" >>$CONFIGFILE
	fi
    done

    if [ "$FONT" ] && ! grep "^ *FONT=" $CONFIGFILE >/dev/null; then
	echo "FONT=" >>$CONFIGFILE
    fi
    if [ "$FONT_MAP" ] && ! grep "^ *FONT_MAP=" $CONFIGFILE >/dev/null; then
	echo "FONT_MAP=" >>$CONFIGFILE
    fi
    if \
	[ "$CONSOLE_MAP" ] \
	&& ! grep "^ *CONSOLE_MAP=" $CONFIGFILE >/dev/null \
	&& ! grep "^ *ACM=" $CONFIGFILE >/dev/null
    then
	echo "CONSOLE_MAP=" >>$CONFIGFILE
    fi
    
    sed \
	-e "s|^ *ACTIVE_CONSOLES=.*|ACTIVE_CONSOLES=\"${ACTIVE_CONSOLES:-guess}\"|" \
	-e "s|^ *FONT=.*|FONT=\"$FONT\"|" \
	-e "s|^ *FONT_MAP=.*|FONT_MAP=\"$FONT_MAP\"|" \
	-e "s|^ *CONSOLE_MAP=.*|CONSOLE_MAP=\"$CONSOLE_MAP\"|" \
	-e "s|^ *ACM=.*|CONSOLE_MAP=\"$CONSOLE_MAP\"|" \
	-e "s|^ *CHARMAP=.*|CHARMAP=\"$charmap\"|" \
	-e "s|^ *CODESET=.*|CODESET=\"$codeset\"|" \
	-e "s|^ *FONTFACE=.*|FONTFACE=\"$fontface\"|" \
	-e "s|^ *FONTSIZE=.*|FONTSIZE=\"$fontsize\"|" \
	<$CONFIGFILE >$CONFIGFILE.tmp
    
    mv -f $CONFIGFILE.tmp $CONFIGFILE

    db_set console-setup/store_defaults_in_debconf_db true
fi

# The second setupcon may start background processes inheriting file
# descriptors from debconf.
db_stop

# We redirect the output so that postinst does not block when ScrollLock is on
# This works even if we are not on the console
setupcon --save-only >/dev/null 2>/dev/null || true
# This will protest if we are not on the console
setupcon >/dev/null 2>/dev/null || true