#!/usr/bin/sudo /bin/sh

if [ -z "${BUILD_HOSTNAME}" ]; then
. ./rpi2-settings.sh
fi

set +x

if [ "{${UBUNTU_FIRST_USER}_PASS}" = '#EDIT THIS#' ]; then
    echo "Sorry. You have not set a Password in rpi2-settings.sh"
    echo "This is verry unsafe. Exit."
    exit 2
fi


if [ ${WriteTo} = 'mmcblk0' ]; then

  clear

  echo    "        #==========================================================#"
  echo    "        #                                                          #"
  echo    "        #  AVE                                                     #"
  echo    "        #                                                          #"
  echo    "        #  This will brutal delete your files on mmcblk0!          #"
  echo    "        #                                                          #"
  echo    "        #==========================================================#"
  echo    ""
  echo -n "           Yout want this really? Type YES: ___\b\b\b"
  read answer
  echo  ""
  if [ "${answer}" = "YES" ]; then
    echo  ""
    echo  "           Ok. So you want ..."
    echo  ""
  else
    echo ""
    echo  "           Ok. Exit."
    echo ""
    exit
  fi

elif [ ${WriteTo} = 'image' ]; then

  clear

  echo    "        #=============================================================#"
  echo    "        #                                                             #"
  echo    "        #  Hint:                                                      #"
  echo    "        #                                                             #"
  echo    "        #  Generate $BASEDIR/${DATE}-ubuntu-${RELEASE}.img"
  echo    "        #                                                             #"
  echo    "        #=============================================================#"
  echo    ""

else

  clear

  echo    "        #=============================================================#"
  echo    "        #                                                             #"
  echo    "        #  Hint:                                                      #"
  echo    "        #                                                             #"
  echo    "        #  Generate Ubuntu-installation in ${BUILDDIR}"
  echo    "        #                                                             #"
  echo    "        #=============================================================#"
  echo    ""

fi

# Don't clobber an old build
if [ -e "${BUILDDIR}" ]; then
  echo "${BUILDDIR} exists, not proceeding"
  exit 1
fi

set -x


# Install needed software
apt-get update
if ! which debootstrap; then
  apt-get install debootstrap qemu-debootstrap
fi

if ! which qemu-debootstrap; then
  apt-get install qemu-debootstrap
fi

if ! which bmaptool; then
  apt-get install bmap-tools
fi

# Set up environment
export TZ=UTC
mkdir -p ${R}

# Base debootstrap
apt-get -y install ubuntu-keyring
qemu-debootstrap --arch armhf ${RELEASE} ${R} http://ports.ubuntu.com/

# Mount required filesystems
mount -t proc none ${R}/proc
mount -t sysfs none ${R}/sys

# Set up initial sources.list
cat <<EOM >${R}/etc/apt/sources.list
deb http://ports.ubuntu.com/ ${RELEASE} main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ ${RELEASE} main restricted universe multiverse

deb http://ports.ubuntu.com/ ${RELEASE}-updates main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ ${RELEASE}-updates main restricted universe multiverse

deb http://ports.ubuntu.com/ ${RELEASE}-security main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ ${RELEASE}-security main restricted universe multiverse

deb http://ports.ubuntu.com/ ${RELEASE}-backports main restricted universe multiverse
# deb-src http://ports.ubuntu.com/ ${RELEASE}-backports main restricted universe multiverse
EOM

chroot ${R} apt-get update
chroot ${R} apt-get -y -u dist-upgrade

# Install the RPi PPA
cat <<"EOM" >${R}/etc/apt/preferences.d/rpi2-ppa
Package: *
Pin: release o=LP-PPA-fo0bar-rpi2
Pin-Priority: 990

Package: *
Pin: release o=LP-PPA-fo0bar-rpi2-staging
Pin-Priority: 990
EOM

chroot ${R} apt-get -y --force-yes install software-properties-common ubuntu-keyring
chroot ${R} apt-add-repository -y ppa:fo0bar/rpi2
chroot ${R} apt-get update

# Standard packages
chroot ${R} apt-get -y --force-yes install ubuntu-minimal initramfs-tools raspberrypi-bootloader-nokernel rpi2-ubuntu-errata language-pack-en

# Kernel installation
# Install flash-kernel last so it doesn't try (and fail) to detect the
# platform in the chroot.
chroot ${R} apt-get -y --force-yes --no-install-recommends install linux-image-rpi2
chroot ${R} apt-get -y --force-yes install flash-kernel

############################ Jörg Reinholz: Software

if [ -n ${EXTRA_SOFTWARE} ]; then
    for w in ${EXTRA_SOFTWARE}; do
    chroot ${R} apt-get -y --force-yes install ${w};
    done;
fi

if [ -n ${REMOVE_SOFTWARE} ]; then
    for w in ${REMOVE_SOFTWARE}; do
    chroot ${R} apt-get -y purge ${w};
    done;
fi


#chroot ${R} apt-get -y install linux-firmware libraspberrypi-bin libraspberrypi-dev libraspberrypi-bin-nonfree
#chroot ${R} apt-get -y install dphys-swapfile
############################

VMLINUZ="$(ls -1 ${R}/boot/vmlinuz-* | sort | tail -n 1)"
[ -z "${VMLINUZ}" ] && exit 1
cp ${VMLINUZ} ${R}/boot/firmware/kernel7.img
INITRD="$(ls -1 ${R}/boot/initrd.img-* | sort | tail -n 1)"
[ -z "${INITRD}" ] && exit 1
cp ${INITRD} ${R}/boot/firmware/initrd7.img

# Set up fstab
cat <<EOM >${R}/etc/fstab
proc            /proc           proc    defaults          0       0
/dev/mmcblk0p3  /               ext4    defaults,noatime  0       1
/dev/mmcblk0p1  /boot/firmware  vfat    defaults,ro       0       2
/dev/mmcblk0p2	none		swap    sw		  0       0

EOM

#setting up extra files
. ./rpi2-extra-files.sh

# Set up default user
chroot ${R} adduser --disabled-login --gecos "${UBUNTU_FIRST_USER}" --add_extra_groups ${UBUNTU_FIRST_USER}
UBUNTU_FIRST_USER_PASS=`echo "ttt:${UBUNTU_FIRST_USER}_PASS" | chpasswd -S -c SHA512 | sed s/ttt://`
chroot ${R} usermod -a -G sudo,adm -p ${UBUNTU_FIRST_USER}_PASS ${UBUNTU_FIRST_USER}
unset UBUNTU_FIRST_USER_PASS;

# install the firmware-updater:
chroot ${R} curl -L --output /usr/bin/rpi-update https://raw.githubusercontent.com/Hexxeh/rpi-update/master/rpi-update
chroot ${R} chmod +x /usr/bin/rpi-update

# update the firmware:
if [ -n ${UPDATE_FIRMWARE_USB_SAVE} ]; then
    chroot ${R} /usr/bin/rpi-update e3e89868ece21abe525dc181c431c8a8b5de58b8
    export UPDATE_FIRMWARE=''
fi
if [ -n ${UPDATE_FIRMWARE} ]; then
    chroot ${R} /usr/bin/rpi-update
fi

if [ -n Activate1_2AmpPowerOverUSB ]; then
    echo "# sets the available current over USB to 1.2A (default is 0 [600mA])" >> ${R}/boot/config.txt
    echo "max_usb_current=1" >> ${R}/boot/config.txt
fi

chroot ${R} apt-get autoremove

# Clean cached downloads
chroot ${R} apt-get clean

# Unmount mounted filesystems
umount ${R}/proc
umount ${R}/sys

# Clean up files
rm -f ${R}/etc/apt/sources.list.save
rm -f ${R}/etc/resolvconf/resolv.conf.d/original
rm -rf ${R}/run
mkdir -p ${R}/run
rm -f ${R}/etc/*-
rm -f ${R}/root/.bash_history
rm -rf ${R}/tmp/*
rm -f ${R}/var/lib/urandom/random-seed
[ -L ${R}/var/lib/dbus/machine-id ] || rm -f ${R}/var/lib/dbus/machine-id
rm -f ${R}/etc/machine-id

set +x
echo ""
echo "Installation (virtual filesystem) written to: ${R}"
echo ""

if [ "${WriteTo}" = "mmcblk0" ]; then
. ./rpi2-create-mmcblk0.sh
elif [ "${WriteTo}" = "image" ]; then
. ./rpi2-create-image.sh
fi

echo ""
echo "        #=========================================#"
echo "        #                                         #"
echo "        #                 Ready!                  #"
echo "        #                                         #"
echo "        #=========================================#"
echo ""
exit