#!/bin/bash
#
#    Copyright (C) 2006  Brian Brazil
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
#

set -ex

. config

DEBLOB=$PWD/firmware/deblob-2.6.24.4.1
rm -rf $WORKINGDIR
mkdir -p $WORKINGDIR
cd $WORKINGDIR

#apt-get source linux-image-2.6.15-$KERNEL_VERSIONPART-386$VERSION
apt-get source linux-image-2.6.24-$KERNEL_VERSIONPART-386
apt-get --yes build-dep linux-image-2.6.24-$KERNEL_VERSIONPART-386

function clean_kconfig {
  #$1 = filename $2 = things to remove
  perl -i -ne 'BEGIN{$p=1} if(/^config ('$2')$/){$p=0}elsif(/^(config|endmenu|source|endif)/){$p=1}; print if $p' $1
}

# Remove non-free bits
cd linux-*/
rm -rf debian/firmware/*
bash -x $DEBLOB
# deblob leaves tg3 broken - remove it
rm ./drivers/net/tg3.c
clean_kconfig ./drivers/net/Kconfig 'TIGON3'
sed -i '/tg3\.o/d' ./drivers/net/Makefile
# Also broken by VIDEOBUF_DVB removal
sed -i '/CONFIG_VIDEO_CX23885/d' ./drivers/media/video/Makefile
cd ..

rename 's/linux/linux-nofirmware/' linux_*.orig.tar.gz

cd linux-*/

#Changes so it'll compile without some modules
for i in debian/d-i/modules/*; do
	sed -i 's/^\([[^ ?][^ ?]*\)$/\1 ?/' $i
done

#Changes so it'll compile without firmware
#Need to go to previous revision for ABI stuff - long way of saying second last word
sed -i 's/^prev_revision :=.*$/prev_revision := $(word $(words $(wordlist 2,$(words $(prev_revisions)),$(prev_revisions))),$(prev_revisions))/' debian/rules.d/0-common-vars.mk
echo 'skipmodule = true' >> debian/rules.d/0-common-vars.mk # Having less modules is okay for us
sed -i '/\^-\[\^-\]/,/^fi/d' debian/scripts/abi-check  # Having less symbols is okay for us

# Xen hunk mismatches cause patches to *.orig not to apply
sed -i 's/\(patch -p1\)/\1 --no-backup-if-mismatch/' debian/rules.d/6-binary-custom.mk

echo | dch -D $RELEASE -v $(sed -n '1s#^.*(\(.*\)).*#\1'${DISTRONAME_L}${KERNEL_VERSION}'#p' debian/changelog)  'Removed firmware'

dpkg-buildpackage -rfakeroot -us -uc