#!/usr/bin/env bash
set -e
echo "* Build Step: Creating the initramfs image... *"
echo "* On platform: $(uname -m)"

export ROOTFS=/build/rootfs
export BUSYBOX_PKG=busybox-1.32.1
source /buildmeta/buildconfig.sh

mkdir -pv /build/rootfs

ls -l /artifacts

cd /build
#mkdir -pv $ROOTFS/{usr/sbin,usr/bin,sbin,bin,dev,etc,mnt/root,mnt/live,proc,sys,lib/modules}
#
#wget https://busybox.net/downloads/${BUSYBOX_PKG}.tar.bz2
#tar xvf ${BUSYBOX_PKG}.tar.bz2
#
#pushd .
#cd $BUSYBOX_PKG
#cp -v /build-scripts/files/busybox-config .config
## todo switch to musl (needed for dns too)
## or add glibc
#LDFLAGS="--static" make -j$(nproc)
#mv ./busybox $ROOTFS/bin
#chroot $ROOTFS /bin/busybox --install -s
#popd

if  [[ "$PROLINUX_ARCH" == "aarch64" ]]; then
  wget https://dl-cdn.alpinelinux.org/alpine/v3.15/releases/aarch64/alpine-minirootfs-3.15.0-aarch64.tar.gz
  cd $ROOTFS
  tar xvf /build/alpine-minirootfs-3.15.0-aarch64.tar.gz
else
  wget https://dl-cdn.alpinelinux.org/alpine/v3.15/releases/x86_64/alpine-minirootfs-3.15.0-x86_64.tar.gz
  cd $ROOTFS
  tar xvf /build/alpine-minirootfs-3.15.0-x86_64.tar.gz
fi


mkdir -pv mnt/root mnt/live mnt/data
cd ..
echo "* Build Step: Entering chroot... *"
mount -t proc /proc $ROOTFS/proc/
mount -t sysfs /sys $ROOTFS/sys/
mount --rbind /dev $ROOTFS/dev/
cp /etc/resolv.conf $ROOTFS/etc/resolv.conf
chroot $ROOTFS /bin/sh <<"EOT"
apk update
apk add lvm2 bash util-linux
EOT
umount --recursive $ROOTFS/proc/
umount --recursive $ROOTFS/sys/
umount --recursive $ROOTFS/dev/
rm $ROOTFS/etc/resolv.conf


cp /build-scripts/files/init $ROOTFS/
cp /build-scripts/files/bootsplash.ppm $ROOTFS/
cp /build-scripts/files/bootsplash-pinephone.ppm $ROOTFS/

if  [[ "$PROLINUX_ARCH" == "aarch64" ]]; then
  cd $ROOTFS
  find . -print0 | cpio --null --create --verbose --format=newc | gzip --best > /artifacts/aarch64/sineware-initramfs.cpio.gz
  echo "Done!"
else
  echo "* Adding Kernel Modules"
  pushd .
  cd $ROOTFS
  if test -f "/artifacts/linux-modules.tar.gz"; then
      tar xvf /artifacts/linux-modules.tar.gz
  fi
  popd

  cd $ROOTFS
  find . -print0 | cpio --null --create --verbose --format=newc | gzip --best > /artifacts/sineware-initramfs.cpio.gz
  echo "Done!"
fi