Script to build and install `raspberrypi-ua-netinst` on the Pi itself.

buildrasp2.sh

#!/bin/bash

BRANCH="devel"

# Build RASPBERRYPI-UA-NETINST using the NFS-mounted /mnt/backup/...

CLOPT="$@" #CLI parameters will be passed to mod-ua.sh

install_package()
{
  # See if packages are installed and install them.
  package=$1
  echo "*********************************************************"
  echo "* Requesting $package"
  # status=$(dpkg-query -W -f='${Status} ${Version}\n' $package 2>/dev/null | wc -l)
  status=$(dpkg-query -W -f='${Status}' "$package" 2>/dev/null | grep -c "ok installed")
  if [ "$status" -eq 0 ]; then
    echo "* Installing $package"
    sudo apt-get -yuV install $package
    echo "*********************************************************"
    dpkg-query -W -f='${Status} ${Version}\n' $package
  else
    echo -n "* Already installed !!!   "
    dpkg-query -W -f='${Version}\n' $package
    echo "*********************************************************"
  fi
}

date

install_package "curl"
install_package "zip"
install_package "cpio"

sudo mount /mnt/backup || echo "Backup already mounted"

WHERE="/mnt/backup/$(hostname)/builder"

rm -rf "$WHERE"
mkdir -p "$WHERE"

pushd "$WHERE"
  if [ ! -e "./pi-netinst.branch" ]; then
    echo "Setting branch..."
    echo "$BRANCH" > "./pi-netinst.branch"
  fi
  git clone https://github.com/FooDeas/raspberrypi-ua-netinst.git
  git clone https://github.com/Mausy5043/mod-raspberrypi-ua-netinst.git

  if [ -e /etc/wpa_supplicant/wpa_supplicant.conf ]; then
    sudo cp -v /etc/wpa_supplicant/wpa_supplicant.conf ./wpa.conf
    sudo chown pi:pi ./wpa.conf
  fi


  pushd ./mod-raspberrypi-ua-netinst
    ./mod-ua.sh -n "$(hostname)" "$CLOPT"
    if [ $? -ne 0 ]; then
      echo "ERROR encountered in mod-ua.sh"
      exit 1
    fi
  popd

  tree -apsD ./raspberrypi-ua-netinst/build_dir/bootfs
    if [ $? -ne 0 ]; then
      echo "ERROR encountered."
      exit 1
    fi


  echo
  echo
  echo "****************************************************"
  echo "*                                                  *"
  echo "*    The next step may render your Pi useless!!!   *"
  echo "*                                                  *"
  echo "****************************************************"
  echo
  echo
  # clear the keyboard-buffer
  while read -r -t 0; do read -r; done;

  read -p "OVERWRITE /boot with the new installation? [N/y] " -n 1 -r
  echo
  if [[ $REPLY =~ ^[Yy]$ ]]; then
    # do dangerous stuff
    pushd ./raspberrypi-ua-netinst/build_dir/bootfs
      sudo rm -rf /boot/*
      sudo cp -rv * /boot/
      tree -apsD /boot
    popd
  fi
popd

sudo umount /mnt/backup

echo
echo "READY"
echo