path: root/scripts/package_kernel

#!/bin/bash
set -x
set -e
shopt -s extglob

# add directory containing this script to PATH
#
export PATH="$( cd -P "$( dirname "${BASH_SOURCE[0]}" )" && pwd )":$PATH

# exit with error message and bad exit status
#
carp()
{
	echo $1
	exit -1
}

# warn about something but do not exit
#
warn()
{
	echo "WARNING: $1"
	true
}

# exit with message and good exit status
#
infoexit()
{
	echo -e $1
	exit 0
}

# echo message if being verbose
#
verbose_info()
{
	test "$verbose" && echo $1
	true
}

cleanup()
{
	echo nothing to do
}

usage()
{
	echo hmmm
}

pvar()
{
	verbose_info "$1 = ${!1}"
}

fdr()
{
	fakeroot ./debian/rules $@
}

must_be_set()
{
	test "${!1}" || carp "$1 must be set in env"
}

should_be_set()
{
	test "${!1}" || warn "$1 should be set "\
	       "using default ${!2} from $2"
}

check_settings()
{
	must_be_set "kernel_repo"
	must_be_set "kernel_branch"
	must_be_set "linaro_ubuntu_packaging_repo"
	must_be_set "linaro_ubuntu_packaging_branch"
	must_be_set "ubuntu_and_base_config_repo"
	must_be_set "ubuntu_and_base_config_branch"
	must_be_set "distribution"
	must_be_set "SOCFLAVOUR"
	must_be_set "SOCVENDOR"
	must_be_set "SOCFAMILY"
	must_be_set "SAMPLEBOARDS"

	should_be_set "board_config_repo" "kernel_repo"
	should_be_set "board_config_branch" "kernel_branch"

	: ${linaro_base_config_frag:="linaro/configs/linaro-base.conf"}
	: ${ubuntu_config_frag:="linaro/configs/ubuntu.conf"}
	: ${board_config_frag:="linaro/configs/$(echo $SOCFLAVOUR | sed s/lt-//).conf"}
	: ${third_version_digit:=0}
}

setup_kernel_git()
{
	test -d kernel_build || {
		mkdir -p kernel_build
		git clone -b $kernel_branch $nearby_git kernel_build
	}
	cd kernel_build
	for r in $(git remote)
	do
		git remote rm $r
	done
	kernel_desc="Kernel"
	git remote add -t $kernel_branch \
		kernel_remote \
		$kernel_repo
	linaro_ubuntu_packaging_desc="Packaging template"
	git remote add -t $linaro_ubuntu_packaging_branch \
		linaro_ubuntu_packaging_remote \
		$linaro_ubuntu_packaging_repo
	board_config_desc="Board config fragment"
	git remote add -t $board_config_branch \
		board_config_remote \
		$board_config_repo
	ubuntu_and_base_config_desc="Ubuntu and Linaro Base config fragments"
	git remote add -t $ubuntu_and_base_config_branch \
		ubuntu_and_base_config_remote \
		$ubuntu_and_base_config_repo
	git remote update
	git checkout -f working_branch ||
	git checkout -b working_branch \
		remotes/kernel_remote/$kernel_branch
	git reset --hard remotes/kernel_remote/$kernel_branch
	git clean -d -f -x
	test -d debian && git rm -r debian
	test -d debian.linaro && git rm -r debian.linaro
	git checkout remotes/linaro_ubuntu_packaging_remote/$linaro_ubuntu_packaging_branch \
		-- \
		debian \
		debian.linaro
	git checkout remotes/board_config_remote/$board_config_branch \
		-- \
		$board_config_frag
	git checkout remotes/ubuntu_and_base_config_remote/$ubuntu_and_base_config_branch \
		-- \
		$linaro_base_config_frag \
		$ubuntu_config_frag
	git commit -s -m "added packaging template and linaro/configs"
}

fixup_socflavour_contents()
{
	for f in $(grep -r -l SOCFLAVOUR debian.linaro/) debian/rules.d/0-common-vars.mk
	do
		sed -i -e "s/SOCFLAVOUR/$SOCFLAVOUR/g" $f
		git add -f $f
	done
}

fixup_socflavour_filenames()
{
	for f in $(find debian.linaro/ -type f -name '*SOCFLAVOUR*')
	do
		nf=$(echo $f | sed "s/SOCFLAVOUR/$SOCFLAVOUR/")
		git mv $f $nf
	done
}

fixup_vars_file()
{
	f=debian.linaro/control.d/vars.linaro-$SOCFLAVOUR
	sed -i \
		-e "s/SOCFLAVOUR/$SOCFLAVOUR/g" \
		-e "s/SOCVENDOR/$SOCVENDOR/g" \
		-e "s/SOCFAMILY/$SOCFAMILY/g" \
		-e "s/SAMPLEBOARDS/$SAMPLEBOARDS/g" \
		$f
	git add $f
}

add_config()
{
	: ${linaroconfigsboardflavour:=$(echo $SOCFLAVOUR | sed s/lt-//)}
	ARCH=arm ./scripts/kconfig/merge_config.sh \
		$linaro_base_config_frag \
		$ubuntu_config_frag \
		$board_config_frag
	cp .config debian.linaro/config/armel/config.flavour.linaro-$SOCFLAVOUR
	cp .config debian.linaro/config/armhf/config.flavour.linaro-$SOCFLAVOUR
	fdr clean
	fdr defaultconfigs
	git add debian.linaro/config
}

sourceinfo()
{
	for r in \
		kernel \
		board_config \
		ubuntu_and_base_config \
		linaro_ubuntu_packaging
	do
		desc=${r}_desc
		repo=${r}_repo
		branch=${r}_branch
		remote=${r}_remote
		echo
		echo "${!desc}:"
		echo "Repo: ${!repo}:"
		echo "Branch: ${!branch}:"
		case $r in
			board_config)
				echo "Config frag:"
				echo "  $board_config_frag"
				;;
			ubuntu_and_base_config)
				echo "Config frags:"
				echo "  $linaro_base_config_frag"
				echo "  $ubuntu_config_frag"
				;;
		esac
		echo "Head:"
		git log -1 "${!remote}/${!branch}" | sed 's/^/    /'
	done | sed 's/^/    /'
}

finish()
{
	dch -c debian.linaro/changelog -t \
		"Packaged version of $SOCFLAVOUR kernel created from:==BODY=="
	perl -i -pe "s#==BODY==#$(sourceinfo)#" \
		debian.linaro/changelog
	sed -i \
		-e "1 s/)/~$(date --utc +%y%m%d%H%M%S))/" \
		-e "s/UNRELEASED/$distribution/" \
		debian.linaro/changelog
	git add debian.linaro/changelog
	git commit -s -m "LINARO: instantiate packaging template for $SOCFLAVOUR"
	git clean -d -f -x
	git reset --hard HEAD
	true
}

export scriptname=$(basename $0)
trap cleanup EXIT

# process command line arguments
#
while (( $# > 0 )) ; do
	echo arg is $1
	case $1 in
		-h|--help|-?)
			usage
			;;
		--config)
			echo "sourcing $2"
			source $2
			shift
			;;
		+([[:alpha:]_])*([[:word:]])=+([[:word:]:/]))
			eval "export $1"
			;;
	esac
	shift
done

check_settings
setup_kernel_git
fixup_socflavour_contents
fixup_socflavour_filenames
fixup_vars_file
add_config
finish

exit 0