#!/bin/sh

set -e

# The same as /usr/bin/which - in order to make this script work
# in environments where "which" is not available
which () {
    local IFS
    IFS=:
    for i in $PATH; do
	if [ -x "$i/$1" ]; then
	    echo "$i/$1"
	    return 0
	fi
    done
    return 1
}

# In order to make this script work in environments where
# "md5sum" is not available
md5sum=`which md5sum`
if [ -z "$md5sum" ]; then
    md5sum=true
fi

# In d-i the config script is not executed automatically
if [ -f /usr/share/console-setup-mini/console-setup.config ]; then
    . /usr/share/console-setup-mini/console-setup.config
fi

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

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

if [ "$1" = "configure" ]; then
    
    db_get console-setup/codeset
    codeset="$RET"
    db_get console-setup/fontface
    fontface="$RET"
    db_get console-setup/fontsize
    fontsize="$RET"

    fontname=$codeset-$fontface$fontsize.psf.gz
    
    db_get console-setup/charmap
    charmap="$RET"

    db_get console-setup/ttys
    ttys="$RET"


    db_get console-setup/modelcode
    model="$RET"

    db_get console-setup/layoutcode
    layout="$RET"

    db_get console-setup/variantcode
    variant="$RET"

    db_get console-setup/optionscode
    options="$RET"

    if [ "$charmap" != UTF-8 ]; then
	acm=$CONFIGDIR/$charmap.acm.gz
	acm_option="-charmap $charmap"
    else
	acm=''
	acm_option=''
    fi

    if which dpkg >/dev/null && \
       dpkg --compare-versions "$2" lt 1.7ubuntu19; then
	# Try to fix up some old mistakes.
	if [ "$fontface" = Terminus ]; then
	    # Terminus was used for a while during the Ubuntu Edgy
	    # development cycle, but we don't want to default to it any
	    # more. However, if people set it back, then we won't argue.
	    fontface=VGA
	    if [ "$fontsize" = 12x6 ]; then
		# This appears to have been selected by mistake due to some
		# obscure bug in our use of debconf.
		fontsize=16
	    fi
	fi
    fi

    if [ ! -e $CONFIGFILE ]; then
	cat /usr/share/doc/console-setup/examples/console-setup \
	    /usr/share/doc/console-setup-mini/examples/console-setup \
	    2>/dev/null >$CONFIGFILE || true
	cat >>$CONFIGFILE <<EOF

# Do not update the following md5 sum if you change
# $CONFIGDIR/boottime.kmap.gz and Debconf will not overwrite
# your custom keymap.  Do not update it even if you want to make
# Debconf overwrite it.  Instead simply specify the empty string as
# a md5 sum.

BOOTTIME_KMAP_MD5=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
EOF
    fi

    . $CONFIGFILE || true

    if \
	[ -z "$BOOTTIME_KMAP_MD5" ] \
	|| [ ! -f "$CONFIGDIR/boottime.kmap.gz" ] \
	|| echo "$BOOTTIME_KMAP_MD5  $CONFIGDIR/boottime.kmap.gz" \
	    | $md5sum -c 2>/dev/null >/dev/null
    then
	if which gzip >/dev/null; then
	    ckbcomp $acm_option -model "$model" \
		"$layout" "$variant" "$options" \
		| gzip -9 >$CONFIGDIR/boottime.kmap.gz
	fi
	BOOTTIME_KMAP_MD5=`$md5sum $CONFIGDIR/boottime.kmap.gz | sed 's/ .*//'`
    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 \
	XKBMODEL XKBLAYOUT XKBVARIANT XKBOPTIONS BOOTTIME_KMAP_MD5
    do
        if ! grep "^ *${var}=" $CONFIGFILE >/dev/null; then
	    echo "${var}=" >>$CONFIGFILE
	fi
    done    
    
    sed \
	-e "s|^ *ACTIVE_CONSOLES=.*|ACTIVE_CONSOLES=\"$ttys\"|" \
	-e "s|^ *CHARMAP=.*|CHARMAP=\"$charmap\"|" \
	-e "s|^ *CODESET=.*|CODESET=\"$codeset\"|" \
	-e "s|^ *FONTFACE=.*|FONTFACE=\"$fontface\"|" \
	-e "s|^ *FONTSIZE=.*|FONTSIZE=\"$fontsize\"|" \
	-e "s|^ *XKBMODEL=.*|XKBMODEL=\"$model\"|" \
	-e "s|^ *XKBLAYOUT=.*|XKBLAYOUT=\"$layout\"|" \
	-e "s|^ *XKBVARIANT=.*|XKBVARIANT=\"$variant\"|" \
	-e "s|^ *XKBOPTIONS=.*|XKBOPTIONS=\"$options\"|" \
	-e "s|^ *BOOTTIME_KMAP_MD5=.*|BOOTTIME_KMAP_MD5=\"$BOOTTIME_KMAP_MD5\"|" \
	<$CONFIGFILE >$CONFIGFILE.tmp
    
    mv -f $CONFIGFILE.tmp $CONFIGFILE
fi

# In d-i debhelper doesn't use /etc/init.d scripts :-)
if [ -f /usr/share/console-setup-mini/console-setup.config ] && \
   [ -d /lib/debian-installer ]; then
    setupcon --force
else
    cat >&2 <<EOF
Your console configuration will be updated the next time your system boots.
If you want to update it now, run 'setupcon' from a virtual console.
EOF
fi

#DEBHELPER#