set -e; set -o pipefail; source kerndev-shared.sh

target_arch=${1:-"x86_64"}

case $target_arch in

"arm")

exec kerndev-create-foreign arm $@

exit $?

;;

"aarch64")

exec kerndev-create-foreign aarch64 $@

exit $?

;;

"x86_64")

;;

*)

fatal Unknown arch $1.

;;

[[ ! -f "/etc/arch-release" ]] && \

fatal This script is designed for arch linux only, sorry!

check_exists kerndev-create.chroot.sh kerndev-build kerndev-install pacstrap \

truncate mkfs.ext4 arch-chroot

[[ -n $USE_EXISTING_IMAGE ]] && [[ ! -f $KERNDEV_PATH/rootfs.img ]] && \

fatal "can't find existing rootfs image"

chroot_script_path=$(which kerndev-create.chroot.sh)

elevate $@

[[ -z "$SUDO_USER" ]] && fatal please run this using sudo!

unmount

mkdir -p $KERNDEV_PATH

push_kerndev

if [[ -z "$USE_EXISTING_IMAGE" ]]; then

echo Creating and formatting rootfs image file...

rm -f rootfs.img

truncate -s $IMAGE_SIZE rootfs.img

mkfs.ext4 -q rootfs.img

echo Using existing rootfs...

mount_image rootfs.img

trap "umount /mnt" EXIT

if [[ -z "$USE_EXISTING_IMAGE" ]]; then

echo Downloading and installing rootfs into image...

pacstrap /mnt base base-devel &>/dev/null

echo Running chroot-ed rootfs image config script...

cp $chroot_script_path /mnt/chroot.sh

cp -R /home/$SUDO_USER/.ssh /mnt/

arch-chroot /mnt /chroot.sh $SUDO_USER $ROOT_PASSWORD

rm /mnt/chroot.sh

cat >/mnt/etc/resolv.conf <<EOF

echo ...chroot-ed script complete!

if [[ -z "$USE_EXISTING_IMAGE" ]] && [[ -n "$ENABLE_GCOV" ]]; then

echo Generating gcov script...

# Create 'cov' tool to check coverage for a specific file in the kernel tree.

cov_path=/mnt/usr/bin/cov

cat >$cov_path <<-EOF

chmod +x $cov_path

give_back $cov_path

pop

if [[ -n "$ACCESS_CHROOT" ]]; then

echo Entering chroot shell...

arch-chroot /mnt

echo ...chroot shell done!

unmount

trap - EXIT

echo Building linux...

NO_DONE=y DONT_INSTALL=y sudo -E -u $SUDO_USER kerndev-build

echo Installing modules into image...

NO_DONE=y kerndev-install

pop

give_back $KERNDEV_PATH

say_done