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             # rpi23-gen-image
             ## Introduction
             `rpi23-gen-image.sh` is an advanced Debian Linux bootstrapping shell script for generating Debian OS images for Raspberry Pi 2 (RPi2) and Raspberry Pi 3 (RPi3) computers. The script at this time supports the bootstrapping of the Debian (armhf) releases `stretch` and `buster`. Raspberry Pi 3 images are generated for 32-bit mode only. Raspberry Pi 3 64-bit images can be generated using custom configuration parameters (```templates/rpi3-stretch-arm64-4.11.y```).
             ## Build dependencies
             The following list of Debian packages must be installed on the build system because they are essentially required for the bootstrapping process. The script will check if all required packages are installed and missing packages will be installed automatically if confirmed by the user.
               ```debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo```
             It is recommended to configure the `rpi23-gen-image.sh` script to build and install the latest Raspberry Pi Linux kernel. For the RPi3 this is mandatory. Kernel compilation and linking will be performed on the build system using an ARM (armhf) cross-compiler toolchain.
             The script has been tested using the default `crossbuild-essential-armhf` toolchain meta package on Debian Linux and `stretch` build systems. Please check the [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains) for further information.
             ## Command-line parameters
             The script accepts certain command-line parameters to enable or disable specific OS features, services and configuration settings. These parameters are passed to the `rpi23-gen-image.sh` script via (simple) shell-variables. Unlike environment shell-variables (simple) shell-variables are defined at the beginning of the command-line call of the `rpi23-gen-image.sh` script.
             ##### Command-line examples:
             ```shell
             ENABLE_UBOOT=true ./rpi23-gen-image.sh
             ENABLE_CONSOLE=false ENABLE_IPV6=false ./rpi23-gen-image.sh
             ENABLE_WM=xfce4 ENABLE_FBTURBO=true ENABLE_MINBASE=true ./rpi23-gen-image.sh
             ENABLE_HARDNET=true ENABLE_IPTABLES=true /rpi23-gen-image.sh
             APT_SERVER=ftp.de.debian.org APT_PROXY="http://127.0.0.1:3142/" ./rpi23-gen-image.sh
             ENABLE_MINBASE=true ./rpi23-gen-image.sh
             BUILD_KERNEL=true ENABLE_MINBASE=true ENABLE_IPV6=false ./rpi23-gen-image.sh
             BUILD_KERNEL=true KERNELSRC_DIR=/tmp/linux ./rpi23-gen-image.sh
             ENABLE_MINBASE=true ENABLE_REDUCE=true ENABLE_MINGPU=true BUILD_KERNEL=true ./rpi23-gen-image.sh
             ENABLE_CRYPTFS=true CRYPTFS_PASSWORD=changeme EXPANDROOT=false ENABLE_MINBASE=true ENABLE_REDUCE=true ENABLE_MINGPU=true BUILD_KERNEL=true ./rpi23-gen-image.sh
             RELEASE=stretch BUILD_KERNEL=true ./rpi23-gen-image.sh
             RPI_MODEL=3 ENABLE_WIRELESS=true ENABLE_MINBASE=true BUILD_KERNEL=true ./rpi23-gen-image.sh
             RELEASE=stretch RPI_MODEL=3 ENABLE_WIRELESS=true ENABLE_MINBASE=true BUILD_KERNEL=true ./rpi23-gen-image.sh
             ```
             ## Configuration template files
             To avoid long lists of command-line parameters and to help to store the favourite parameter configurations the `rpi23-gen-image.sh` script supports so called configuration template files (`CONFIG_TEMPLATE`=template). These are simple text files located in the `./templates` directory that contain the list of configuration parameters that will be used. New configuration template files can be added to the `./templates` directory.
             ##### Command-line examples:
             ```shell
             CONFIG_TEMPLATE=rpi3stretch ./rpi23-gen-image.sh
             CONFIG_TEMPLATE=rpi2stretch ./rpi23-gen-image.sh
             ```
             ## Supported parameters and settings
             #### APT settings:
-            ##### `APT_SERVER`="ftp.debian.org"
+            ##### `APT_SERVER`="ftp.debian.org/debian"
             Set Debian packages server address. Choose a server from the list of Debian worldwide [mirror sites](https://www.debian.org/mirror/list). Using a nearby server will probably speed-up all required downloads within the bootstrapping process.
             ##### `APT_PROXY`=""
             Set Proxy server address. Using a local Proxy-Cache like `apt-cacher-ng` will speed-up the bootstrapping process because all required Debian packages will only be downloaded from the Debian mirror site once.
             ##### `APT_INCLUDES`=""
             A comma separated list of additional packages to be installed by debootstrap during bootstrapping.
             ##### `APT_INCLUDES_LATE`=""
             A comma separated list of additional packages to be installed by apt after bootstrapping and after APT sources are set up.  This is useful for packages with pre-depends, which debootstrap do not handle well.
             ---
             #### General system settings:
             ##### `RPI_MODEL`=2
             Specifiy the target Raspberry Pi hardware model. The script at this time supports the following Raspberry Pi models:
             `0`  = Used for Raspberry Pi 0 and Raspberry Pi 0 W
             `1`  = Used for Pi 1 model A and B
             `1P` = Used for Pi 1 model B+ and A+
             `2`  = Used for Pi 2 model B
             `3`  = Used for Pi 3 model B
             `3P` = Used for Pi 3 model B+
             `BUILD_KERNEL`=true will automatically be set if the Raspberry Pi model `3` or `3P` is used.
             ##### `RELEASE`="buster"
             Set the desired Debian release name. The script at this time supports the bootstrapping of the Debian releases "stretch" and "buster". `BUILD_KERNEL`=true will automatically be set if the Debian releases `stretch` or `buster` are used.
             ##### `RELEASE_ARCH`="armhf"
             Set the desired Debian release architecture.
             ##### `HOSTNAME`="rpi$RPI_MODEL-$RELEASE"
             Set system host name. It's recommended that the host name is unique in the corresponding subnet.
             ##### `PASSWORD`="raspberry"
             Set system `root` password. It's **STRONGLY** recommended that you choose a custom password.
             ##### `USER_PASSWORD`="raspberry"
             Set password for the created non-root user `USER_NAME`=pi. Ignored if `ENABLE_USER`=false. It's **STRONGLY** recommended that you choose a custom password.
             ##### `DEFLOCAL`="en_US.UTF-8"
             Set default system locale. This setting can also be changed inside the running OS using the `dpkg-reconfigure locales` command. Please note that on using this parameter the script will automatically install the required packages `locales`, `keyboard-configuration` and `console-setup`.
             ##### `TIMEZONE`="Europe/Berlin"
             Set default system timezone. All available timezones can be found in the `/usr/share/zoneinfo/` directory. This setting can also be changed inside the running OS using the `dpkg-reconfigure tzdata` command.
             ##### `EXPANDROOT`=true
             Expand the root partition and filesystem automatically on first boot.
             ##### `ENABLE_QEMU`=false
             Generate kernel (`vexpress_defconfig`), file system image (`qcow2`) and DTB files that can be used for QEMU full system emulation (`vexpress-A15`). The output files are stored in the `$(pwd)/images/qemu` directory. You can find more information about running the generated image in the QEMU section of this readme file.
             ---
             #### Keyboard settings:
             These options are used to configure keyboard layout in `/etc/default/keyboard` for console and Xorg. These settings can also be changed inside the running OS using the `dpkg-reconfigure keyboard-configuration` command.
             ##### `XKB_MODEL`=""
             Set the name of the model of your keyboard type.
             ##### `XKB_LAYOUT`=""
             Set the supported keyboard layout(s).
             ##### `XKB_VARIANT`=""
             Set the supported variant(s) of the keyboard layout(s).
             ##### `XKB_OPTIONS`=""
             Set extra xkb configuration options.
             ---
             #### Networking settings (DHCP):
             This parameter is used to set up networking auto configuration in `/etc/systemd/network/eth.network`. The default location of network configuration files in the Debian `stretch` release was changed to `/lib/systemd/network`.`
             ##### `ENABLE_DHCP`=true
             Set the system to use DHCP. This requires an DHCP server.
             ---
             #### Networking settings (static):
             These parameters are used to set up a static networking configuration in `/etc/systemd/network/eth.network`. The following static networking parameters are only supported if `ENABLE_DHCP` was set to `false`. The default location of network configuration files in the Debian `stretch` release was changed to `/lib/systemd/network`.
             ##### `NET_ADDRESS`=""
             Set a static IPv4 or IPv6 address and its prefix, separated by "/", eg. "192.169.0.3/24".
             ##### `NET_GATEWAY`=""
             Set the IP address for the default gateway.
             ##### `NET_DNS_1`=""
             Set the IP address for the first DNS server.
             ##### `NET_DNS_2`=""
             Set the IP address for the second DNS server.
             ##### `NET_DNS_DOMAINS`=""
             Set the default DNS search domains to use for non fully qualified host names.
             ##### `NET_NTP_1`=""
             Set the IP address for the first NTP server.
             ##### `NET_NTP_2`=""
             Set the IP address for the second NTP server.
             ---
             #### Basic system features:
             ##### `ENABLE_CONSOLE`=true
             Enable serial console interface. Recommended if no monitor or keyboard is connected to the RPi2/3. In case of problems fe. if the network (auto) configuration failed - the serial console can be used to access the system.
             ##### `ENABLE_I2C`=false
             Enable I2C interface on the RPi2/3. Please check the [RPi2/3 pinout diagrams](https://elinux.org/RPi_Low-level_peripherals) to connect the right GPIO pins.
             ##### `ENABLE_SPI`=false
             Enable SPI interface on the RPi2/3. Please check the [RPi2/3 pinout diagrams](https://elinux.org/RPi_Low-level_peripherals) to connect the right GPIO pins.
             ##### `ENABLE_IPV6`=true
             Enable IPv6 support. The network interface configuration is managed via systemd-networkd.
             ##### `ENABLE_SSHD`=true
             Install and enable OpenSSH service. The default configuration of the service doesn't allow `root` to login. Please use the user `pi` instead and `su -` or `sudo` to execute commands as root.
             ##### `ENABLE_NONFREE`=false
             Allow the installation of non-free Debian packages that do not comply with the DFSG. This is required to install closed-source firmware binary blobs.
             ##### `ENABLE_WIRELESS`=false
             Download and install the [closed-source firmware binary blob](https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm) that is required to run the internal wireless interface of the Raspberry Pi model `3`. This parameter is ignored if the specified `RPI_MODEL` is not `3`.
             ##### `ENABLE_RSYSLOG`=true
             If set to false, disable and uninstall rsyslog (so logs will be available only
             in journal files)
             ##### `ENABLE_SOUND`=true
             Enable sound hardware and install Advanced Linux Sound Architecture.
             ##### `ENABLE_HWRANDOM`=true
             Enable Hardware Random Number Generator. Strong random numbers are important for most network based communications that use encryption. It's recommended to be enabled.
             ##### `ENABLE_MINGPU`=false
             Minimize the amount of shared memory reserved for the GPU. It doesn't seem to be possible to fully disable the GPU.
             ##### `ENABLE_DBUS`=true
             Install and enable D-Bus message bus. Please note that systemd should work without D-bus but it's recommended to be enabled.
             ##### `ENABLE_XORG`=false
             Install Xorg open-source X Window System.
             ##### `ENABLE_WM`=""
             Install a user defined window manager for the X Window System. To make sure all X related package dependencies are getting installed `ENABLE_XORG` will automatically get enabled if `ENABLE_WM` is used. The `rpi23-gen-image.sh` script has been tested with the following list of window managers: `blackbox`, `openbox`, `fluxbox`, `jwm`, `dwm`, `xfce4`, `awesome`.
             ---
             #### Advanced system features:
             ##### `ENABLE_MINBASE`=false
             Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
             ##### `ENABLE_REDUCE`=false
             Reduce the disk space usage by deleting packages and files. See `REDUCE_*` parameters for detailed information.
             ##### `ENABLE_UBOOT`=false
             Replace the default RPi2/3 second stage bootloader (bootcode.bin) with [U-Boot bootloader](https://git.denx.de/?p=u-boot.git;a=summary). U-Boot can boot images via the network using the BOOTP/TFTP protocol.
             ##### `UBOOTSRC_DIR`=""
             Path to a directory (`u-boot`) of [U-Boot bootloader sources](https://git.denx.de/?p=u-boot.git;a=summary) that will be copied, configured, build and installed inside the chroot.
             ##### `ENABLE_FBTURBO`=false
             Install and enable the [hardware accelerated Xorg video driver](https://github.com/ssvb/xf86-video-fbturbo) `fbturbo`. Please note that this driver is currently limited to hardware accelerated window moving and scrolling.
             ##### `FBTURBOSRC_DIR`=""
             Path to a directory (`xf86-video-fbturbo`) of [hardware accelerated Xorg video driver sources](https://github.com/ssvb/xf86-video-fbturbo) that will be copied, configured, build and installed inside the chroot.
             ##### `ENABLE_IPTABLES`=false
             Enable iptables IPv4/IPv6 firewall. Simplified ruleset: Allow all outgoing connections. Block all incoming connections except to OpenSSH service.
             ##### `ENABLE_USER`=true
             Create non-root user with password `USER_PASSWORD`=raspberry. Unless overridden with `USER_NAME`=user, username will be `pi`.
             ##### `USER_NAME`=pi
             Non-root user to create.  Ignored if `ENABLE_USER`=false
             ##### `ENABLE_ROOT`=false
             Set root user password so root login will be enabled
             ##### `ENABLE_HARDNET`=false
             Enable IPv4/IPv6 network stack hardening settings.
             ##### `ENABLE_SPLITFS`=false
             Enable having root partition on an USB drive by creating two image files: one for the `/boot/firmware` mount point, and another for `/`.
             ##### `CHROOT_SCRIPTS`=""
             Path to a directory with scripts that should be run in the chroot before the image is finally built. Every executable file in this directory is run in lexicographical order.
             ##### `ENABLE_INITRAMFS`=false
             Create an initramfs that that will be loaded during the Linux startup process. `ENABLE_INITRAMFS` will automatically get enabled if `ENABLE_CRYPTFS`=true. This parameter will be ignored if `BUILD_KERNEL`=false.
             ##### `ENABLE_IFNAMES`=true
             Enable automatic assignment of predictable, stable network interface names for all local Ethernet, WLAN interfaces. This might create complex and long interface names. This parameter is only supported if the Debian releases `stretch` or `buster` are used.
             ##### `DISABLE_UNDERVOLT_WARNINGS`=
             Disable RPi2/3 under-voltage warnings and overlays. Setting the parameter to `1` will disable the warning overlay. Setting it to `2` will additionally allow RPi2/3 turbo mode when low-voltage is present.
             ---
             #### SSH settings:
             ##### `SSH_ENABLE_ROOT`=false
             Enable password root login via SSH. This may be a security risk with default password, use only in trusted environments. `ENABLE_ROOT` must be set to `true`.
             ##### `SSH_DISABLE_PASSWORD_AUTH`=false
             Disable password based SSH authentication. Only public key based SSH (v2) authentication will be supported.
             ##### `SSH_LIMIT_USERS`=false
             Limit the users that are allowed to login via SSH. Only allow user `USER_NAME`=pi and root if `SSH_ENABLE_ROOT`=true to login. This parameter will be ignored if `dropbear` SSH is used (`REDUCE_SSHD`=true).
             ##### `SSH_ROOT_PUB_KEY`=""
             Add SSH (v2) public key(s) from specified file to `authorized_keys` file to enable public key based SSH (v2) authentication of user `root`. The specified file can also contain multiple SSH (v2) public keys. SSH protocol version 1 is not supported. `ENABLE_ROOT` **and** `SSH_ENABLE_ROOT` must be set to `true`.
             ##### `SSH_USER_PUB_KEY`=""
             Add SSH (v2) public key(s) from specified file to `authorized_keys` file to enable public key based SSH (v2) authentication of user `USER_NAME`=pi. The specified file can also contain multiple SSH (v2) public keys. SSH protocol version 1 is not supported.
             ---
             #### Kernel compilation:
             ##### `BUILD_KERNEL`=false
             Build and install the latest RPi2/3 Linux kernel. Currently only the default RPi2/3 kernel configuration is used. `BUILD_KERNEL`=true will automatically be set if the Raspberry Pi model `3` is used.
             ##### `CROSS_COMPILE`="arm-linux-gnueabihf-"
             This sets the cross compile enviornment for the compiler.
             ##### `KERNEL_ARCH`="arm"
             This sets the kernel architecture for the compiler.
             ##### `KERNEL_IMAGE`="kernel7.img"
             Name of the image file in the boot partition. If not set, `KERNEL_IMAGE` will be set to "kernel8.img" automatically if building for arm64.
             ##### `KERNEL_BRANCH`=""
             Name of the requested branch from the GIT location for the RPi Kernel. Default is using the current default branch from the GIT site.
             ##### `QEMU_BINARY`="/usr/bin/qemu-arm-static"
             Sets the QEMU enviornment for the Debian archive. If not set, `QEMU_BINARY` will be set to "/usr/bin/qemu-aarch64-static" automatically if building for arm64.
             ##### `KERNEL_DEFCONFIG`="bcm2709_defconfig"
             Sets the default config for kernel compiling. If not set, `KERNEL_DEFCONFIG` will be set to "bcmrpi3\_defconfig" automatically if building for arm64.
             ##### `KERNEL_REDUCE`=false
             Reduce the size of the generated kernel by removing unwanted device, network and filesystem drivers (experimental).
             ##### `KERNEL_THREADS`=1
             Number of parallel kernel building threads. If the parameter is left untouched the script will automatically determine the number of CPU cores to set the number of parallel threads to speed the kernel compilation.
             ##### `KERNEL_HEADERS`=true
             Install kernel headers with built kernel.
             ##### `KERNEL_MENUCONFIG`=false
             Start `make menuconfig` interactive menu-driven kernel configuration. The script will continue after `make menuconfig` was terminated.
             ##### `KERNEL_OLDDEFCONFIG`=false
             Run `make olddefconfig` to automatically set all new kernel configuration options to their recommended default values.
             ##### `KERNEL_CCACHE`=false
             Compile the kernel using ccache. This speeds up kernel recompilation by caching previous compilations and detecting when the same compilation is being done again.
             ##### `KERNEL_REMOVESRC`=true
             Remove all kernel sources from the generated OS image after it was built and installed.
             ##### `KERNELSRC_DIR`=""
             Path to a directory (`linux`) of [RaspberryPi Linux kernel sources](https://github.com/raspberrypi/linux) that will be copied, configured, build and installed inside the chroot.
             ##### `KERNELSRC_CLEAN`=false
             Clean the existing kernel sources directory `KERNELSRC_DIR` (using `make mrproper`) after it was copied to the chroot and before the compilation of the kernel has started. This parameter will be ignored if no `KERNELSRC_DIR` was specified or if `KERNELSRC_PREBUILT`=true.
             ##### `KERNELSRC_CONFIG`=true
             Run `make bcm2709_defconfig` (and optional `make menuconfig`) to configure the kernel sources before building. This parameter is automatically set to `true` if no existing kernel sources directory was specified using `KERNELSRC_DIR`. This parameter is ignored if `KERNELSRC_PREBUILT`=true.
             ##### `KERNELSRC_USRCONFIG`=""
             Copy own config file to kernel `.config`. If `KERNEL_MENUCONFIG`=true then running after copy.
             ##### `KERNELSRC_PREBUILT`=false
             With this parameter set to true the script expects the existing kernel sources directory to be already successfully cross-compiled. The parameters `KERNELSRC_CLEAN`, `KERNELSRC_CONFIG`, `KERNELSRC_USRCONFIG` and `KERNEL_MENUCONFIG` are ignored and no kernel compilation tasks are performed.
             ##### `RPI_FIRMWARE_DIR`=""
             The directory (`firmware`) containing a local copy of the firmware from the [RaspberryPi firmware project](https://github.com/raspberrypi/firmware). Default is to download the latest firmware directly from the project.
             ---
             #### Reduce disk usage:
             The following list of parameters is ignored if `ENABLE_REDUCE`=false.
             ##### `REDUCE_APT`=true
             Configure APT to use compressed package repository lists and no package caching files.
             ##### `REDUCE_DOC`=true
             Remove all doc files (harsh). Configure APT to not include doc files on future `apt-get` package installations.
             ##### `REDUCE_MAN`=true
             Remove all man pages and info files (harsh).  Configure APT to not include man pages on future `apt-get` package installations.
             ##### `REDUCE_VIM`=false
             Replace `vim-tiny` package by `levee` a tiny vim clone.
             ##### `REDUCE_BASH`=false
             Remove `bash` package and switch to `dash` shell (experimental).
             ##### `REDUCE_HWDB`=true
             Remove PCI related hwdb files (experimental).
             ##### `REDUCE_SSHD`=true
             Replace `openssh-server` with `dropbear`.
             ##### `REDUCE_LOCALE`=true
             Remove all `locale` translation files.
             ---
             #### Encrypted root partition:
             ##### `ENABLE_CRYPTFS`=false
             Enable full system encryption with dm-crypt. Setup a fully LUKS encrypted root partition (aes-xts-plain64:sha512) and generate required initramfs. The /boot directory will not be encrypted. This parameter will be ignored if `BUILD_KERNEL`=false. `ENABLE_CRYPTFS` is experimental. SSH-to-initramfs is currently not supported but will be soon - feel free to help.
             ##### `CRYPTFS_PASSWORD`=""
             Set password of the encrypted root partition. This parameter is mandatory if `ENABLE_CRYPTFS`=true.
             ##### `CRYPTFS_MAPPING`="secure"
             Set name of dm-crypt managed device-mapper mapping.
             ##### `CRYPTFS_CIPHER`="aes-xts-plain64:sha512"
             Set cipher specification string. `aes-xts*` ciphers are strongly recommended.
             ##### `CRYPTFS_XTSKEYSIZE`=512
             Sets key size in bits. The argument has to be a multiple of 8.
             ---
             #### Build settings:
             ##### `BASEDIR`=$(pwd)/images/${RELEASE}
             Set a path to a working directory used by the script to generate an image.
             ##### `IMAGE_NAME`=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}
             Set a filename for the output file(s). Note: the script will create $IMAGE_NAME.img if `ENABLE_SPLITFS`=false or $IMAGE_NAME-frmw.img and $IMAGE_NAME-root.img if `ENABLE_SPLITFS`=true. Note 2: If the KERNEL_BRANCH is not set, the word "CURRENT" is used.
             ## Understanding the script
             The functions of this script that are required for the different stages of the bootstrapping are split up into single files located inside the `bootstrap.d` directory. During the bootstrapping every script in this directory gets executed in lexicographical order:
             | Script | Description |
             | --- | --- |
             | `10-bootstrap.sh` | Debootstrap basic system |
             | `11-apt.sh` | Setup APT repositories |
             | `12-locale.sh` | Setup Locales and keyboard settings |
             | `13-kernel.sh` | Build and install RPi2/3 Kernel |
             | `14-fstab.sh` | Setup fstab and initramfs |
             | `15-rpi-config.sh` | Setup RPi2/3 config and cmdline |
             | `20-networking.sh` | Setup Networking |
             | `21-firewall.sh` | Setup Firewall |
             | `30-security.sh` | Setup Users and Security settings |
             | `31-logging.sh` | Setup Logging |
             | `32-sshd.sh` | Setup SSH and public keys |
             | `41-uboot.sh` | Build and Setup U-Boot |
             | `42-fbturbo.sh` | Build and Setup fbturbo Xorg driver |
             | `50-firstboot.sh` | First boot actions |
             | `99-reduce.sh` | Reduce the disk space usage |
             All the required configuration files that will be copied to the generated OS image are located inside the `files` directory. It is not recommended to modify these configuration files manually.
             | Directory | Description |
             | --- | --- |
             | `apt` | APT management configuration files |
             | `boot` | Boot and RPi2/3 configuration files |
             | `dpkg` | Package Manager configuration |
             | `etc` | Configuration files and rc scripts |
             | `firstboot` | Scripts that get executed on first boot  |
             | `initramfs` | Initramfs scripts |
             | `iptables` | Firewall configuration files |
             | `locales` | Locales configuration |
             | `modules` | Kernel Modules configuration |
             | `mount` | Fstab configuration |
             | `network` | Networking configuration files |
             | `sysctl.d` | Swapping and Network Hardening configuration |
             | `xorg` | fbturbo Xorg driver configuration |
             ## Custom packages and scripts
             Debian custom packages, i.e. those not in the debian repositories, can be installed by placing them in the `packages` directory. They are installed immediately after packages from the repositories are installed. Any dependencies listed in the custom packages will be downloaded automatically from the repositories. Do not list these custom packages in `APT_INCLUDES`.
             Scripts in the custom.d directory will be executed after all other installation is complete but before the image is created.
             ## Logging of the bootstrapping process
             All information related to the bootstrapping process and the commands executed by the `rpi23-gen-image.sh` script can easily be saved into a logfile. The common shell command `script` can be used for this purpose:
             ```shell
             script -c 'APT_SERVER=ftp.de.debian.org ./rpi23-gen-image.sh' ./build.log
             ```
             ## Flashing the image file
             After the image file was successfully created by the `rpi23-gen-image.sh` script it can be copied to the microSD card that will be used by the RPi2/3 computer. This can be performed by using the tools `bmaptool` or `dd`. Using `bmaptool` will probably speed-up the copy process because `bmaptool` copies more wisely than `dd`.
             ##### Flashing examples:
             ```shell
             bmaptool copy ./images/jessie/2017-01-23-rpi3-jessie.img /dev/mmcblk0
             dd bs=4M if=./images/jessie/2017-01-23-rpi3-jessie.img of=/dev/mmcblk0
             ```
             If you have set `ENABLE_SPLITFS`, copy the `-frmw` image on the microSD card, then the `-root` one on the USB drive:
             ```shell
             bmaptool copy ./images/jessie/2017-01-23-rpi3-jessie-frmw.img /dev/mmcblk0
             bmaptool copy ./images/jessie/2017-01-23-rpi3-jessie-root.img /dev/sdc
             ```
             ## QEMU emulation
             Start QEMU full system emulation:
             ```shell
             qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=tty1"
             ```
             Start QEMU full system emulation and output to console:
             ```shell
             qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
             ```
             Start QEMU full system emulation with SMP and output to console:
             ```shell
             qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -smp cpus=2,maxcpus=2 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
             ```
             Start QEMU full system emulation with cryptfs, initramfs and output to console:
             ```shell
             qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -initrd "initramfs-${KERNEL_VERSION}" -append "root=/dev/mapper/secure cryptdevice=/dev/mmcblk0p2:secure rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
             ```
             ## Weekly image builds
             The image files are provided by JRWR'S I/O PORT and are built once a Sunday at midnight UTC!
             * [Debian Stretch Raspberry Pi2/3 Weekly Image Builds](https://jrwr.io/doku.php?id=projects:debianpi)
             ## External links and references
             * [Debian worldwide mirror sites](https://www.debian.org/mirror/list)
             * [Debian Raspberry Pi 2 Wiki](https://wiki.debian.org/RaspberryPi2)
             * [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains)
             * [Official Raspberry Pi Firmware on github](https://github.com/raspberrypi/firmware)
             * [Official Raspberry Pi Kernel on github](https://github.com/raspberrypi/linux)
             * [U-BOOT git repository](https://git.denx.de/?p=u-boot.git;a=summary)
             * [Xorg DDX driver fbturbo](https://github.com/ssvb/xf86-video-fbturbo)
             * [RPi3 Wireless interface firmware](https://github.com/RPi-Distro/firmware-nonfree/tree/master/brcm80211/brcm)
             * [Collabora RPi2 Kernel precompiled](https://repositories.collabora.co.uk/debian/)

bootstrap.d/10-bootstrap.sh +1 -1

             #!/bin/bash
             #
             # Debootstrap basic system
             #
             # Load utility functions
             . ./functions.sh
             VARIANT=""
             COMPONENTS="main"
             EXCLUDES=""
             # Use non-free Debian packages if needed
             if [ "$ENABLE_NONFREE" = true ] ; then
               COMPONENTS="main,non-free,contrib"
             fi
             # Use minbase bootstrap variant which only includes essential packages
             if [ "$ENABLE_MINBASE" = true ] ; then
               VARIANT="--variant=minbase"
             fi
             # Exclude packages if required by Debian release
             if [ "$RELEASE" = "stretch" ] || [ "$RELEASE" = "buster" ] ; then
               EXCLUDES="--exclude=init,systemd-sysv"
             fi
             # Base debootstrap (unpack only)
-            http_proxy=${APT_PROXY} debootstrap ${EXCLUDES} --arch="${RELEASE_ARCH}" --foreign ${VARIANT} --components="${COMPONENTS}" --include="${APT_INCLUDES}" "${RELEASE}" "${R}" "http://${APT_SERVER}/debian"
+            http_proxy=${APT_PROXY} debootstrap ${EXCLUDES} --arch="${RELEASE_ARCH}" --foreign ${VARIANT} --components="${COMPONENTS}" --include="${APT_INCLUDES}" "${RELEASE}" "${R}" "http://${APT_SERVER}"
             # Copy qemu emulator binary to chroot
             install -m 755 -o root -g root "${QEMU_BINARY}" "${R}${QEMU_BINARY}"
             # Copy debian-archive-keyring.pgp
             mkdir -p "${R}/usr/share/keyrings"
             install_readonly /usr/share/keyrings/debian-archive-keyring.gpg "${R}/usr/share/keyrings/debian-archive-keyring.gpg"
             # Complete the bootstrapping process
             chroot_exec /debootstrap/debootstrap --second-stage
             # Mount required filesystems
             mount -t proc none "${R}/proc"
             mount -t sysfs none "${R}/sys"
             # Mount pseudo terminal slave if supported by Debian release
             if [ -d "${R}/dev/pts" ] ; then
               mount --bind /dev/pts "${R}/dev/pts"
             fi

bootstrap.d/13-kernel.sh +8 -3

             #!/bin/bash
             #
             # Build and Setup RPi2/3 Kernel
             #
             # Load utility functions
             . ./functions.sh
             # Fetch and build latest raspberry kernel
             if [ "$BUILD_KERNEL" = true ] ; then
               # Setup source directory
               mkdir -p "${R}/usr/src/linux"
               # Copy existing kernel sources into chroot directory
               if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
                 # Copy kernel sources and include hidden files
                 cp -r "${KERNELSRC_DIR}/". "${R}/usr/src/linux"
                 # Clean the kernel sources
                 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
                 fi
               else # KERNELSRC_DIR=""
                 # Create temporary directory for kernel sources
                 temp_dir=$(as_nobody mktemp -d)
                 # Fetch current RPi2/3 kernel sources
                 if [ -z "${KERNEL_BRANCH}" ] ; then
                   as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
                 else
                   as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
                 fi
                 # Copy downloaded kernel sources
                 cp -r "${temp_dir}/linux/"* "${R}/usr/src/linux/"
                 # Remove temporary directory for kernel sources
                 rm -fr "${temp_dir}"
                 # Set permissions of the kernel sources
                 chown -R root:root "${R}/usr/src"
               fi
               # Calculate optimal number of kernel building threads
               if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
                 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
               fi
               # Configure and build kernel
               if [ "$KERNELSRC_PREBUILT" = false ] ; then
                 # Remove device, network and filesystem drivers from kernel configuration
                 if [ "$KERNEL_REDUCE" = true ] ; then
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
                   sed -i\
                   -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
                   -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
                   -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
                   -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
                   -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
                   -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
                   -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
                   "${KERNEL_DIR}/.config"
                 fi
                 if [ "$KERNELSRC_CONFIG" = true ] ; then
                   # Load default raspberry kernel configuration
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
                   # Set kernel configuration parameters to enable qemu emulation
                   if [ "$ENABLE_QEMU" = true ] ; then
                     echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
                     echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
                     if [ "$ENABLE_CRYPTFS" = true ] ; then
                       {
                         echo "CONFIG_EMBEDDED=y"
                         echo "CONFIG_EXPERT=y"
                         echo "CONFIG_DAX=y"
                         echo "CONFIG_MD=y"
                         echo "CONFIG_BLK_DEV_MD=y"
                         echo "CONFIG_MD_AUTODETECT=y"
                         echo "CONFIG_BLK_DEV_DM=y"
                         echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
                         echo "CONFIG_DM_CRYPT=y"
                         echo "CONFIG_CRYPTO_BLKCIPHER=y"
                         echo "CONFIG_CRYPTO_CBC=y"
                         echo "CONFIG_CRYPTO_XTS=y"
                         echo "CONFIG_CRYPTO_SHA512=y"
                         echo "CONFIG_CRYPTO_MANAGER=y"
                       } >> "${KERNEL_DIR}"/.config
                     fi
                   fi
                   # Copy custom kernel configuration file
                   if [ -n "$KERNELSRC_USRCONFIG" ] ; then
                     cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
                   fi
                   # Set kernel configuration parameters to their default values
                   if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
                     make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
                   fi
                   # Start menu-driven kernel configuration (interactive)
                   if [ "$KERNEL_MENUCONFIG" = true ] ; then
                     make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
                   fi
                 fi
                 # Use ccache to cross compile the kernel
                 if [ "$KERNEL_CCACHE" = true ] ; then
                   cc="ccache ${CROSS_COMPILE}gcc"
                 else
                   cc="${CROSS_COMPILE}gcc"
                 fi
                 # Cross compile kernel and dtbs
                 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
                 # Cross compile kernel modules
                 if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then
                   make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
                 fi
               fi
               # Check if kernel compilation was successful
               if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
                 echo "error: kernel compilation failed! (kernel image not found)"
                 cleanup
                 exit 1
               fi
               # Install kernel modules
               if [ "$ENABLE_REDUCE" = true ] ; then
                 if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
                 fi
               else
                 if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
                 fi
                 # Install kernel firmware
                 if [ "$(grep "^firmware_install:" "${KERNEL_DIR}/Makefile")" ] ; then
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
                 fi
               fi
               # Install kernel headers
               if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
                 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
               fi
+            # make tar.gz kernel package - missing os bzw. modules
+            #** ** **  WARNING  ** ** **
+            #Your architecture did not define any architecture-dependent files
+            #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
+            #  make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
               # Prepare boot (firmware) directory
               mkdir "${BOOT_DIR}"
               # Get kernel release version
               KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
               # Copy kernel configuration file to the boot directory
               install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
               # Prepare device tree directory
               mkdir "${BOOT_DIR}/overlays"
               # Ensure the proper .dtb is located
               if [ "$KERNEL_ARCH" = "arm" ] ; then
                 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
                   if [ -f "${dtb}" ] ; then
                     install_readonly "${dtb}" "${BOOT_DIR}/"
                   fi
                 done
               else
                 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
                   if [ -f "${dtb}" ] ; then
                     install_readonly "${dtb}" "${BOOT_DIR}/"
                   fi
                 done
               fi
               # Copy compiled dtb device tree files
               if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
                 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
                   if [ -f "${dtb}" ] ; then
                     install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
                   fi
                 done
                 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
                   install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
                 fi
               fi
               if [ "$ENABLE_UBOOT" = false ] ; then
                 # Convert and copy kernel image to the boot directory
                 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
               else
                 # Copy kernel image to the boot directory
                 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
               fi
               # Remove kernel sources
               if [ "$KERNEL_REMOVESRC" = true ] ; then
                 rm -fr "${KERNEL_DIR}"
               else
                 # Prepare compiled kernel modules
                 if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then
                   if [ "$(grep "^modules_prepare:" "${KERNEL_DIR}/Makefile")" ] ; then
                     make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
                   fi
                   # Create symlinks for kernel modules
                   chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
                   chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
                 fi
               fi
             elif [ "$BUILD_KERNEL" = false ] ; then
               echo " Install precompiled kernel..."
               echo "error: not implemented"
               # Check if kernel installation was successful
               VMLINUZ="$(ls -1 "${R}"/boot/vmlinuz-* | sort | tail -n 1)"
               if [ -z "$VMLINUZ" ] ; then
                 echo "error: kernel installation failed! (/boot/vmlinuz-* not found)"
                 cleanup
                 exit 1
               fi
               # Copy vmlinuz kernel to the boot directory
               install_readonly "${VMLINUZ}" "${BOOT_DIR}/${KERNEL_IMAGE}"
               if [ "$SET_ARCH" = 64 ] ; then
               echo "Using precompiled arm64 kernel"
               else
                 echo "error: no precompiled arm64 (bcmrpi3) kernel found"
                 exit 1
                 # inset precompiled 64 bit kernel code here
               fi
             #fi build_kernel=true
             fi

bootstrap.d/14-fstab.sh +5 0

             #!/bin/bash
             #
             # Setup fstab and initramfs
             #
             # Load utility functions
             . ./functions.sh
             # Install and setup fstab
             install_readonly files/mount/fstab "${ETC_DIR}/fstab"
+            if [ "$ENABLE_UBOOTUSB" = true ] ; then
+              sed -i "s/mmcblk0p1/sda1/" "${ETC_DIR}/fstab"
+              sed -i "s/mmcblk0p2/sda2/" "${ETC_DIR}/fstab"
+            fi
             # Add usb/sda disk root partition to fstab
             if [ "$ENABLE_SPLITFS" = true ] && [ "$ENABLE_CRYPTFS" = false ] ; then
               sed -i "s/mmcblk0p2/sda1/" "${ETC_DIR}/fstab"
             fi
             # Add encrypted root partition to fstab and crypttab
             if [ "$ENABLE_CRYPTFS" = true ] ; then
               # Replace fstab root partition with encrypted partition mapping
               sed -i "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING}/" "${ETC_DIR}/fstab"
               # Add encrypted partition to crypttab and fstab
               install_readonly files/mount/crypttab "${ETC_DIR}/crypttab"
               echo "${CRYPTFS_MAPPING} /dev/mmcblk0p2 none luks,initramfs" >> "${ETC_DIR}/crypttab"
               if [ "$ENABLE_SPLITFS" = true ] ; then
                 # Add usb/sda disk to crypttab
                 sed -i "s/mmcblk0p2/sda1/" "${ETC_DIR}/crypttab"
               fi
             fi
             # Generate initramfs file
             if [ "$BUILD_KERNEL" = true ] && [ "$ENABLE_INITRAMFS" = true ] ; then
               if [ "$ENABLE_CRYPTFS" = true ] ; then
                 # Include initramfs scripts to auto expand encrypted root partition
                 if [ "$EXPANDROOT" = true ] ; then
                   install_exec files/initramfs/expand_encrypted_rootfs "${ETC_DIR}/initramfs-tools/scripts/init-premount/expand_encrypted_rootfs"
                   install_exec files/initramfs/expand-premount "${ETC_DIR}/initramfs-tools/scripts/local-premount/expand-premount"
                   install_exec files/initramfs/expand-tools "${ETC_DIR}/initramfs-tools/hooks/expand-tools"
                 fi
                 # Disable SSHD inside initramfs
                 printf "#\n# DROPBEAR: [ y | n ]\n#\n\nDROPBEAR=n\n" >> "${ETC_DIR}/initramfs-tools/initramfs.conf"
                 # Add cryptsetup modules to initramfs
                 printf "#\n# CRYPTSETUP: [ y | n ]\n#\n\nCRYPTSETUP=y\n" >> "${ETC_DIR}/initramfs-tools/conf-hook"
                 # Dummy mapping required by mkinitramfs
                 echo "0 1 crypt $(echo "${CRYPTFS_CIPHER}" | cut -d ':' -f 1) ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0 7:0 4096" | chroot_exec dmsetup create "${CRYPTFS_MAPPING}"
                 # Generate initramfs with encrypted root partition support
                 chroot_exec mkinitramfs -o "/boot/firmware/initramfs-${KERNEL_VERSION}" "${KERNEL_VERSION}"
                 # Remove dummy mapping
                 chroot_exec cryptsetup close "${CRYPTFS_MAPPING}"
               else
                 # Generate initramfs without encrypted root partition support
                 chroot_exec mkinitramfs -o "/boot/firmware/initramfs-${KERNEL_VERSION}" "${KERNEL_VERSION}"
               fi
             fi

bootstrap.d/15-rpi-config.sh +12 -4

             #!/bin/bash
             #
             # Setup RPi2/3 config and cmdline
             #
             # Load utility functions
             . ./functions.sh
             if [ "$BUILD_KERNEL" = true ] ; then
               if [ -n "$RPI_FIRMWARE_DIR" ] && [ -d "$RPI_FIRMWARE_DIR" ] ; then
                 # Install boot binaries from local directory
                 cp "${RPI_FIRMWARE_DIR}"/boot/bootcode.bin "${BOOT_DIR}"/bootcode.bin
                 cp "${RPI_FIRMWARE_DIR}"/boot/fixup.dat "${BOOT_DIR}"/fixup.dat
                 cp "${RPI_FIRMWARE_DIR}"/boot/fixup_cd.dat "${BOOT_DIR}"/fixup_cd.dat
                 cp "${RPI_FIRMWARE_DIR}"/boot/fixup_x.dat "${BOOT_DIR}"/fixup_x.dat
                 cp "${RPI_FIRMWARE_DIR}"/boot/start.elf "${BOOT_DIR}"/start.elf
                 cp "${RPI_FIRMWARE_DIR}"/boot/start_cd.elf "${BOOT_DIR}"/start_cd.elf
                 cp "${RPI_FIRMWARE_DIR}"/boot/start_x.elf "${BOOT_DIR}"/start_x.elf
               else
                 # Create temporary directory for boot binaries
                 temp_dir=$(as_nobody mktemp -d)
                 # Install latest boot binaries from raspberry/firmware github
                 as_nobody wget -q -O "${temp_dir}/bootcode.bin" "${FIRMWARE_URL}/bootcode.bin"
                 as_nobody wget -q -O "${temp_dir}/fixup.dat" "${FIRMWARE_URL}/fixup.dat"
                 as_nobody wget -q -O "${temp_dir}/fixup_cd.dat" "${FIRMWARE_URL}/fixup_cd.dat"
                 as_nobody wget -q -O "${temp_dir}/fixup_x.dat" "${FIRMWARE_URL}/fixup_x.dat"
                 as_nobody wget -q -O "${temp_dir}/start.elf" "${FIRMWARE_URL}/start.elf"
                 as_nobody wget -q -O "${temp_dir}/start_cd.elf" "${FIRMWARE_URL}/start_cd.elf"
                 as_nobody wget -q -O "${temp_dir}/start_x.elf" "${FIRMWARE_URL}/start_x.elf"
                 # Move downloaded boot binaries
                 mv "${temp_dir}/"* "${BOOT_DIR}/"
                 # Remove temporary directory for boot binaries
                 rm -fr "${temp_dir}"
                 # Set permissions of the boot binaries
                 chown -R root:root "${BOOT_DIR}"
                 chmod -R 600 "${BOOT_DIR}"
               fi
             fi
             # Setup firmware boot cmdline
-            if [ "$ENABLE_SPLITFS" = true ] ; then
+            if [ "$ENABLE_UBOOTUSB" = true ] ; then
-              CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda1 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1"
+              CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1"
             else
-              CMDLINE="dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1"
+              if [ "$ENABLE_SPLITFS" = true ] ; then
+                CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda1 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1"
+              else
+                CMDLINE="dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1"
+              fi
             fi
             # Add encrypted root partition to cmdline.txt
             if [ "$ENABLE_CRYPTFS" = true ] ; then
               if [ "$ENABLE_SPLITFS" = true ] ; then
                 CMDLINE=$(echo "${CMDLINE}" | sed "s/sda1/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda1:${CRYPTFS_MAPPING}/")
               else
-                CMDLINE=$(echo "${CMDLINE}" | sed "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/mmcblk0p2:${CRYPTFS_MAPPING}/")
+                if [ "$ENABLE_UBOOTUSB" = true ] ; then
+                  CMDLINE=$(echo "${CMDLINE}" | sed "s/sda2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda2:${CRYPTFS_MAPPING}/")
+                else
+                  CMDLINE=$(echo "${CMDLINE}" | sed "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/mmcblk0p2:${CRYPTFS_MAPPING}/")
               fi
             fi
             # Add serial console support
             if [ "$ENABLE_CONSOLE" = true ] ; then
               CMDLINE="${CMDLINE} console=ttyAMA0,115200 kgdboc=ttyAMA0,115200"
             fi
             # Remove IPv6 networking support
             if [ "$ENABLE_IPV6" = false ] ; then
               CMDLINE="${CMDLINE} ipv6.disable=1"
             fi
             # Automatically assign predictable network interface names
             if [ "$ENABLE_IFNAMES" = false ] ; then
               CMDLINE="${CMDLINE} net.ifnames=0"
             else
               CMDLINE="${CMDLINE} net.ifnames=1"
             fi
             # Set init to systemd if required by Debian release
             if [ "$RELEASE" = "stretch" ] || [ "$RELEASE" = "buster" ] ; then
               CMDLINE="${CMDLINE} init=/bin/systemd"
             fi
             # Install firmware boot cmdline
             echo "${CMDLINE}" > "${BOOT_DIR}/cmdline.txt"
             # Install firmware config
             install_readonly files/boot/config.txt "${BOOT_DIR}/config.txt"
             # Setup minimal GPU memory allocation size: 16MB (no X)
             if [ "$ENABLE_MINGPU" = true ] ; then
               echo "gpu_mem=16" >> "${BOOT_DIR}/config.txt"
             fi
             # Setup boot with initramfs
             if [ "$ENABLE_INITRAMFS" = true ] ; then
               echo "initramfs initramfs-${KERNEL_VERSION} followkernel" >> "${BOOT_DIR}/config.txt"
             fi
             # Disable RPi3 Bluetooth and restore ttyAMA0 serial device
             if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
               if [ "$ENABLE_CONSOLE" = true ] && [ "$ENABLE_UBOOT" = false ] ; then
                 echo "dtoverlay=pi3-disable-bt" >> "${BOOT_DIR}/config.txt"
                 echo "enable_uart=1" >> "${BOOT_DIR}/config.txt"
               fi
             fi
             # Create firmware configuration and cmdline symlinks
             ln -sf firmware/config.txt "${R}/boot/config.txt"
             ln -sf firmware/cmdline.txt "${R}/boot/cmdline.txt"
             # Install and setup kernel modules to load at boot
             mkdir -p "${R}/lib/modules-load.d/"
             install_readonly files/modules/rpi2.conf "${R}/lib/modules-load.d/rpi2.conf"
             # Load hardware random module at boot
             if [ "$ENABLE_HWRANDOM" = true ] && [ "$BUILD_KERNEL" = false ] ; then
                sed -i "s/^# bcm2708_rng/bcm2708_rng/" "${R}/lib/modules-load.d/rpi2.conf"
             fi
             # Load sound module at boot
             if [ "$ENABLE_SOUND" = true ] ; then
               sed -i "s/^# snd_bcm2835/snd_bcm2835/" "${R}/lib/modules-load.d/rpi2.conf"
             else
               echo "dtparam=audio=off" >> "${BOOT_DIR}/config.txt"
             fi
             # Enable I2C interface
             if [ "$ENABLE_I2C" = true ] ; then
               echo "dtparam=i2c_arm=on" >> "${BOOT_DIR}/config.txt"
               sed -i "s/^# i2c-bcm2708/i2c-bcm2708/" "${R}/lib/modules-load.d/rpi2.conf"
               sed -i "s/^# i2c-dev/i2c-dev/" "${R}/lib/modules-load.d/rpi2.conf"
             fi
             # Enable SPI interface
             if [ "$ENABLE_SPI" = true ] ; then
               echo "dtparam=spi=on" >> "${BOOT_DIR}/config.txt"
               echo "spi-bcm2708" >> "${R}/lib/modules-load.d/rpi2.conf"
               if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ]; then
                 sed -i "s/spi-bcm2708/spi-bcm2835/" "${R}/lib/modules-load.d/rpi2.conf"
               fi
             fi
             # Disable RPi2/3 under-voltage warnings
             if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
               echo "avoid_warnings=${DISABLE_UNDERVOLT_WARNINGS}" >> "${BOOT_DIR}/config.txt"
             fi
             # Install kernel modules blacklist
             mkdir -p "${ETC_DIR}/modprobe.d/"
             install_readonly files/modules/raspi-blacklist.conf "${ETC_DIR}/modprobe.d/raspi-blacklist.conf"
             # Install sysctl.d configuration files
             install_readonly files/sysctl.d/81-rpi-vm.conf "${ETC_DIR}/sysctl.d/81-rpi-vm.conf"

bootstrap.d/41-uboot.sh +17 -15

             #!/bin/bash
             #
             # Build and Setup U-Boot
             #
             # Load utility functions
             . ./functions.sh
             # Fetch and build U-Boot bootloader
             if [ "$ENABLE_UBOOT" = true ] ; then
               # Install c/c++ build environment inside the chroot
               chroot_install_cc
               # Copy existing U-Boot sources into chroot directory
               if [ -n "$UBOOTSRC_DIR" ] && [ -d "$UBOOTSRC_DIR" ] ; then
                 # Copy local U-Boot sources
                 cp -r "${UBOOTSRC_DIR}" "${R}/tmp"
               else
                 # Create temporary directory for U-Boot sources
                 temp_dir=$(as_nobody mktemp -d)
                 # Fetch U-Boot sources
                 as_nobody git -C "${temp_dir}" clone "${UBOOT_URL}"
                 # Copy downloaded U-Boot sources
                 mv "${temp_dir}/u-boot" "${R}/tmp/"
                 # Set permissions of the U-Boot sources
                 chown -R root:root "${R}/tmp/u-boot"
                 # Remove temporary directory for U-Boot sources
                 rm -fr "${temp_dir}"
               fi
               # Build and install U-Boot inside chroot
               chroot_exec make -j"${KERNEL_THREADS}" -C /tmp/u-boot/ "${UBOOT_CONFIG}" all
               # Copy compiled bootloader binary and set config.txt to load it
               install_exec "${R}/tmp/u-boot/tools/mkimage" "${R}/usr/sbin/mkimage"
               install_readonly "${R}/tmp/u-boot/u-boot.bin" "${BOOT_DIR}/u-boot.bin"
               printf "\n# boot u-boot kernel\nkernel=u-boot.bin\n" >> "${BOOT_DIR}/config.txt"
-              # Install and setup U-Boot command file
-              # Set correct KERNEL_IMAGE in mkfile
-              sed -i "s/kernel7.img/$KERNEL_BIN_IMAGE/g" files/boot/uboot.mkimage
-              # Set correct DTB_FILE
-              sed -i "s/bcm2709-rpi-2-b.dtb/$DTB_FILE/g" files/boot/uboot.mkimage
               install_readonly files/boot/uboot.mkimage "${BOOT_DIR}/uboot.mkimage"
-              printf "# Set the kernel boot command line\nsetenv bootargs \"earlyprintk ${CMDLINE}\"\n\n$(cat "${BOOT_DIR}"/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage"
+              printf "# Set the kernel boot command line\nsetenv bootargs \"earlyprintk ${CMDLINE}\"\n\n$(cat ${BOOT_DIR}/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage"
               if [ "$ENABLE_INITRAMFS" = true ] ; then
                 # Convert generated initramfs for U-Boot using mkimage
                 chroot_exec /usr/sbin/mkimage -A "${KERNEL_ARCH}" -T ramdisk -C none -n "initramfs-${KERNEL_VERSION}" -d "/boot/firmware/initramfs-${KERNEL_VERSION}" "/boot/firmware/initramfs-${KERNEL_VERSION}.uboot"
                 # Remove original initramfs file
                 rm -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}"
                 # Configure U-Boot to load generated initramfs
-                printf "# Set initramfs file\nsetenv initramfs initramfs-${KERNEL_VERSION}.uboot\n\n$(cat "${BOOT_DIR}"/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage"
+                printf "# Set initramfs file\nsetenv initramfs initramfs-${KERNEL_VERSION}.uboot\n\n$(cat ${BOOT_DIR}/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage"
-                printf "\nbootz \${kernel_addr_r} \${ramdisk_addr_r} \${fdt_addr_r}" >> "${BOOT_DIR}/uboot.mkimage"
+              fi
               else # ENABLE_INITRAMFS=false
                 # Remove initramfs from U-Boot mkfile
                 sed -i '/.*initramfs.*/d' "${BOOT_DIR}/uboot.mkimage"
                 if [ "$BUILD_KERNEL" = false ] ; then
                     # Remove dtbfile from U-Boot mkfile
                     sed -i '/.*dtbfile.*/d' "${BOOT_DIR}/uboot.mkimage"
                     printf "\nbootz \${kernel_addr_r}" >> "${BOOT_DIR}/uboot.mkimage"
                 else
                   printf "\nbootz \${kernel_addr_r} - \${fdt_addr_r}" >> "${BOOT_DIR}/uboot.mkimage"
                 fi
               fi
               if [ "$SET_ARCH" = 64 ] ; then
                 echo "Setting up config.txt to boot 64bit uboot"
-            	printf "\n# Enable CPU 64 bit mode\narm_control=0x200\n" >> "${BOOT_DIR}/config.txt"
-            	printf "\n# Tell u-boot a 64bit kernel is used\narm_64bit=1\n" >> "${BOOT_DIR}/config.txt"
+                printf "\n# 64bit-mode" >> "${BOOT_DIR}/config.txt"
-            	printf "\n# Device tree start addr\ndevice_tree_address=0x100\n" >> "${BOOT_DIR}/config.txt"
+                printf "\n# arm_control=0x200 is deprecated https://www.raspberrypi.org/documentation/configuration/config-txt/misc.md" >> "${BOOT_DIR}/config.txt"
-            	printf "\n# Device tree stop  adrr\ndevice_tree_end=0x8000\n" >> "${BOOT_DIR}/config.txt"
+                printf "\narm_64bit=1" >> "${BOOT_DIR}/config.txt"
+                sed -i "s|bootz|booti|g" "${BOOT_DIR}/uboot.mkimage"
               fi
+              if [ "$ENABLE_UBOOTUSB" = true ] ; then
+                sed -i "s|mmc|usb|g" "${BOOT_DIR}/uboot.mkimage"
+              fi
               # Set mkfile to use the correct mach id
               if [ "$ENABLE_QEMU" = true ] ; then
                 sed -i "s/^\(setenv machid \).*/\10x000008e0/" "${BOOT_DIR}/uboot.mkimage"
               fi
                 # Set mkfile to use the correct dtb file
               sed -i "s/^\(setenv dtbfile \).*/\1${DTB_FILE}/" "${BOOT_DIR}/uboot.mkimage"
               # Set mkfile to use kernel image
-              sed  "s/^\(fatload mmc 0:1 \${kernel_addr_r} \).*/\1${KERNEL_IMAGE}/" "${BOOT_DIR}/uboot.mkimage"
+              sed -i "s/^\(fatload mmc 0:1 \${kernel_addr_r} \).*/\1${KERNEL_IMAGE}/" "${BOOT_DIR}/uboot.mkimage"
               # Remove all leading blank lines
               sed -i "/./,\$!d" "${BOOT_DIR}/uboot.mkimage"
               # Generate U-Boot bootloader image
               chroot_exec /usr/sbin/mkimage -A "${KERNEL_ARCH}" -O linux -T script -C none -a 0x00000000 -e 0x00000000 -n "RPi${RPI_MODEL}" -d /boot/firmware/uboot.mkimage /boot/firmware/boot.scr
               # Remove U-Boot sources
               rm -fr "${R}/tmp/u-boot"
             fi

files/apt/sources.list +7 -8

@@ -1,9 +1,8
1	deb http://ftp.debian.org/debian jessie main contrib	1	# Debian packages for testing
2	#deb-src http://ftp.debian.org/debian jessie main contrib	2	deb http://mirror.united-gameserver.de/debian/ testing main contrib non-free
3		3	# Uncomment the deb-src line if you want 'apt-get source'
4	deb http://ftp.debian.org/debian/ jessie-updates main contrib	4	# to work with most packages.
5	#deb-src http://~~ftp.debian.org/debian/ jessie-updates~~ main contrib	5	deb-src http://mirror.united-gameserver.de/debian/ testing main contrib non-free
6
7	#deb http://security.debian.org/ jessie/updates main contrib
8	#deb-src http://security.debian.org/ jessie/updates main contrib
9		6
		7	# Security updates for stable
		8	# deb http://security.debian.org/ stable/updates main contrib non-free

files/boot/uboot.mkimage +3 -2

             # Set device tree fdtfile
-            setenv dtbfile bcm2709-rpi-2-b.dtb
+            setenv dtbfile bcm2710-rpi-3-b.dtb
             # Tell Linux that it is booting on a Raspberry Pi2/3
             setenv machid 0x00000c42
             # Save these changes to u-boot's environment
             saveenv
             # Load the existing Linux kernel into RAM
-            fatload mmc 0:1 ${kernel_addr_r} kernel7.img
+            mmc dev 0
+            fatload mmc 0:1 ${kernel_addr_r} Image
             fatload mmc 0:1 ${fdt_addr_r} ${dtbfile}
             fatload mmc 0:1 ${ramdisk_addr_r} ${initramfs}
             # Boot the kernel we have just loaded

rpi23-gen-image.sh +7 -4

             #!/bin/bash
             ########################################################################
             # rpi23-gen-image.sh					       2015-2017
             #
             # Advanced Debian "stretch" and "buster" bootstrap script for RPi2/3
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
             #
             # Big thanks for patches and enhancements by 20+ github contributors!
             ########################################################################
             # Are we running as root?
             if [ "$(id -u)" -ne "0" ] ; then
               echo "error: this script must be executed with root privileges!"
               exit 1
             fi
             # Check if ./functions.sh script exists
             if [ ! -r "./functions.sh" ] ; then
               echo "error: './functions.sh' required script not found!"
               exit 1
             fi
             # Load utility functions
             . ./functions.sh
             # Load parameters from configuration template file
             if [ -n "$CONFIG_TEMPLATE" ] ; then
               use_template
             fi
             # Introduce settings
             set -e
             echo -n -e "\n#\n# RPi2/3 Bootstrap Settings\n#\n"
             set -x
             # Raspberry Pi model configuration
             export RPI_MODEL=${RPI_MODEL:=2}
             # Debian release
             export RELEASE=${RELEASE:=buster}
             #Kernel Branch
             export KERNEL_BRANCH=${KERNEL_BRANCH:=""}
             # URLs
             export KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
             export FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
             export WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}
             export FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
             export UBOOT_URL=${UBOOT_URL:=https://git.denx.de/u-boot.git}
             # Firmware directory: Blank if download from github
             export RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
             # Build directories
             export BASEDIR=${BASEDIR:=$(pwd)/images/${RELEASE}}
             export BUILDDIR="${BASEDIR}/build"
             # Prepare date string for default image file name
             DATE="$(date +%Y-%m-%d)"
             if [ -z "$KERNEL_BRANCH" ] ; then
               export IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
             else
               export IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
             fi
             # Chroot directories
             export R="${BUILDDIR}/chroot"
             export ETC_DIR="${R}/etc"
             export LIB_DIR="${R}/lib"
             export BOOT_DIR="${R}/boot/firmware"
             export KERNEL_DIR="${R}/usr/src/linux"
             export WLAN_FIRMWARE_DIR="${R}/lib/firmware/brcm"
             # General settings
             export SET_ARCH=${SET_ARCH:=32}
             export HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
             export PASSWORD=${PASSWORD:=raspberry}
             export USER_PASSWORD=${USER_PASSWORD:=raspberry}
             export DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
             export TIMEZONE=${TIMEZONE:="Europe/Berlin"}
             export EXPANDROOT=${EXPANDROOT:=true}
             # Keyboard settings
             export XKB_MODEL=${XKB_MODEL:=""}
             export XKB_LAYOUT=${XKB_LAYOUT:=""}
             export XKB_VARIANT=${XKB_VARIANT:=""}
             export XKB_OPTIONS=${XKB_OPTIONS:=""}
             # Network settings (DHCP)
             export ENABLE_DHCP=${ENABLE_DHCP:=true}
             # Network settings (static)
             export NET_ADDRESS=${NET_ADDRESS:=""}
             export NET_GATEWAY=${NET_GATEWAY:=""}
             export NET_DNS_1=${NET_DNS_1:=""}
             export NET_DNS_2=${NET_DNS_2:=""}
             export NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
             export NET_NTP_1=${NET_NTP_1:=""}
             export NET_NTP_2=${NET_NTP_2:=""}
             # APT settings
             export APT_PROXY=${APT_PROXY:=""}
             export APT_SERVER=${APT_SERVER:="ftp.debian.org"}
             # Feature settings
             export ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
             export ENABLE_I2C=${ENABLE_I2C:=false}
             export ENABLE_SPI=${ENABLE_SPI:=false}
             export ENABLE_IPV6=${ENABLE_IPV6:=true}
             export ENABLE_SSHD=${ENABLE_SSHD:=true}
             export ENABLE_NONFREE=${ENABLE_NONFREE:=false}
             export ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
             export ENABLE_SOUND=${ENABLE_SOUND:=true}
             export ENABLE_DBUS=${ENABLE_DBUS:=true}
             export ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
             export ENABLE_MINGPU=${ENABLE_MINGPU:=false}
             export ENABLE_XORG=${ENABLE_XORG:=false}
             export ENABLE_WM=${ENABLE_WM:=""}
             export ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
             export ENABLE_USER=${ENABLE_USER:=true}
             export USER_NAME=${USER_NAME:="pi"}
             export ENABLE_ROOT=${ENABLE_ROOT:=false}
             export ENABLE_QEMU=${ENABLE_QEMU:=false}
             # SSH settings
             export SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
             export SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
             export SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
             export SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
             export SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
             # Advanced settings
             export ENABLE_MINBASE=${ENABLE_MINBASE:=false}
             export ENABLE_REDUCE=${ENABLE_REDUCE:=false}
             export ENABLE_UBOOT=${ENABLE_UBOOT:=false}
             export UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
             export ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
             export FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
             export export ENABLE_HARDNET=${ENABLE_HARDNET:=false}
             export ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
             export ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
             export ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
             export ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
             export DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
             # Kernel compilation settings
             export BUILD_KERNEL=${BUILD_KERNEL:=true}
             export KERNEL_REDUCE=${KERNEL_REDUCE:=false}
             export KERNEL_THREADS=${KERNEL_THREADS:=1}
             export KERNEL_HEADERS=${KERNEL_HEADERS:=true}
             export KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
             export KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
             export KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
             export KERNEL_CCACHE=${KERNEL_CCACHE:=false}
             # Kernel compilation from source directory settings
             export KERNELSRC_DIR=${KERNELSRC_DIR:=""}
             export KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
             export KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
             export KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
             # Reduce disk usage settings
             export REDUCE_APT=${REDUCE_APT:=true}
             export REDUCE_DOC=${REDUCE_DOC:=true}
             export REDUCE_MAN=${REDUCE_MAN:=true}
             export REDUCE_VIM=${REDUCE_VIM:=false}
             export REDUCE_BASH=${REDUCE_BASH:=false}
             export REDUCE_HWDB=${REDUCE_HWDB:=true}
             export REDUCE_SSHD=${REDUCE_SSHD:=true}
             export REDUCE_LOCALE=${REDUCE_LOCALE:=true}
             # Encrypted filesystem settings
             ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
             CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
             CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
             CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
             CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
             # Chroot scripts directory
             CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
             # Packages required in the chroot build environment
             export APT_INCLUDES=${APT_INCLUDES:=""}
             APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup"
             # Packages required for bootstrapping
             export REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo netselect-apt"
             export MISSING_PACKAGES=""
             # Packages installed for c/c++ build environment in chroot (keep empty)
             export COMPILER_PACKAGES=""
             #autconfigure best apt server to not spam ftp.debian.org
             #rm files/apt/sources.list
             #netselect-apt does not know buster yet
             if  [ "$RELEASE" = "buster" ] ; then
               RLS=testing
             else
               RLS="$RELEASE"
             fi
-            rm "${ETC_DIR}/apt/sources.list"
+            if [ -f "$(pwd)/files/apt/sources.list" ] ; then
+            rm "$(pwd)/files/apt/sources.list"
+            fi
             if [ "$ENABLE_NONFREE" = true ] ; then
-              netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --nonfree  --outfile "${ETC_DIR}/apt/sources.list" -d "$RLS"
+              netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --nonfree  --outfile "$(pwd)/files/apt/sources.list"  -d "$RLS"
             else
-              netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --outfile "${ETC_DIR}/apt/sources.list" -d "$RLS"
+              netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
             fi
-            APT_SERVER=$(grep -m 1 http /etc/apt/sources.list | cut -d ' ' -f 2)
+            APT_SERVER=$(grep -m 1 http files/apt/sources.list | sed "s|http://| |g" | cut -d ' ' -f 3)
+            APT_SERVER=${APT_SERVER::-1}
             #make script easier and more stable to use with convenient setup switch. Just setup SET_ARCH and RPI_MODEL and your good to go!
             if [ -n "$SET_ARCH" ] ; then
               echo "Setting Architecture specific settings"
               ##################################
               # 64 bit config
               ##################################
               if [ "$SET_ARCH" = 64 ] ; then
                 echo "64 bit mode selected - Setting up enviroment"
                 # 64 bit depended settings
                 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
                 KERNEL_ARCH=${KERNEL_ARCH:=arm64}
                 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
                 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
                   REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
                   KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
                   RELEASE_ARCH=${RELEASE_ARCH:=arm64}
                   KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
                   CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}
                 else
                   echo "error: At the moment Raspberry PI 3 and 3B+ are the only Models which support 64bit"
                   exit 1
                 fi
               fi
               ##################################
               # 32 bit config
               ##################################
               if [ "$SET_ARCH" = 32 ] ; then
                 echo "32 bit mode selected - Setting up enviroment"
                 #General 32bit configuration
                 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
                 KERNEL_ARCH=${KERNEL_ARCH:=arm}
                 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
                 #Raspberry setting grouped by board compability
                 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
                   echo "Setting settings for bcm2835 Raspberry PI boards"
                   REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
                   KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
                   RELEASE_ARCH=${RELEASE_ARCH:=armel}
                   KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}
                   CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}
                 fi
                 if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
                   echo "Setting settings for bcm2837 Raspberry PI boards"
                   REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
                   KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
                   RELEASE_ARCH=${RELEASE_ARCH:=armhf}
                   KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
                   CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
                 fi
               fi
             #SET_ARCH not set
             else
               echo "error: Please set '32' or '64' as value for SET_ARCH"
               exit 1
             fi
                 #Device specific configuration
                 echo "Select DTB-File"
                 case "$RPI_MODEL" in
 )
                   DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}
                   UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
                   ;;
 )
                   DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}
                   UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
                   ;;
 P)
                   DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}
                   UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
                   ;;
 )
                   DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
                   UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
                   ;;
 )
                   DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
                   UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
                   ;;
 P)
                   DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
                   UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
                   ;;
                 *)
                   echo "error: Raspberry Pi model $RPI_MODEL is not supported!"
                   exit 1
                   ;;
                 esac
                 echo "$DTB_FILE selected"
             #DEBUG off
             set +x
             # Check if the internal wireless interface is supported by the RPi model
             if [ "$ENABLE_WIRELESS" = true ] ; then
               if [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 2 ] ; then
                 echo "error: The selected Raspberry Pi model has no internal wireless interface"
                 exit 1
               else
                 echo "Raspberry Pi $RPI_MODEL has WIFI support"
               fi
             fi
             # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
             if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
               if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
                 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
                 exit 1
               fi
             fi
             # Add libncurses5 to enable kernel menuconfig
             if [ "$KERNEL_MENUCONFIG" = true ] ; then
               REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
             fi
             # Add ccache compiler cache for (faster) kernel cross (re)compilation
             if [ "$KERNEL_CCACHE" = true ] ; then
               REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
             fi
             # Add cryptsetup package to enable filesystem encryption
             if [ "$ENABLE_CRYPTFS" = true ]  && [ "$BUILD_KERNEL" = true ] ; then
               REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
               APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup"
               if [ -z "$CRYPTFS_PASSWORD" ] ; then
                 echo "error: no password defined (CRYPTFS_PASSWORD)!"
                 exit 1
               fi
               ENABLE_INITRAMFS=true
             fi
             # Add initramfs generation tools
             if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
             fi
             # Add device-tree-compiler required for building the U-Boot bootloader
             if [ "$ENABLE_UBOOT" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bison,flex,bc"
             fi
             # Check if root SSH (v2) public key file exists
             if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
               if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
                 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
                 exit 1
               fi
             fi
             # Check if $USER_NAME SSH (v2) public key file exists
             if [ -n "$SSH_USER_PUB_KEY" ] ; then
               if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
                 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
                 exit 1
               fi
             fi
             # Check if all required packages are installed on the build system
             for package in $REQUIRED_PACKAGES ; do
               if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then
                 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
               fi
             done
             # If there are missing packages ask confirmation for install, or exit
             if [ -n "$MISSING_PACKAGES" ] ; then
               echo "the following packages needed by this script are not installed:"
               echo "$MISSING_PACKAGES"
               printf "\ndo you want to install the missing packages right now? [y/n] "
               read -r confirm
               [ "$confirm" != "y" ] && exit 1
               # Make sure all missing required packages are installed
               apt-get -qq -y install "${MISSING_PACKAGES}"
             fi
             # Check if ./bootstrap.d directory exists
             if [ ! -d "./bootstrap.d/" ] ; then
               echo "error: './bootstrap.d' required directory not found!"
               exit 1
             fi
             # Check if ./files directory exists
             if [ ! -d "./files/" ] ; then
               echo "error: './files' required directory not found!"
               exit 1
             fi
             # Check if specified KERNELSRC_DIR directory exists
             if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
               echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
               exit 1
             fi
             # Check if specified UBOOTSRC_DIR directory exists
             if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
               echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
               exit 1
             fi
             # Check if specified FBTURBOSRC_DIR directory exists
             if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
               echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
               exit 1
             fi
             # Check if specified CHROOT_SCRIPTS directory exists
             if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
                echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
                exit 1
             fi
             # Check if specified device mapping already exists (will be used by cryptsetup)
             if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
               echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
               exit 1
             fi
             # Don't clobber an old build
             if [ -e "$BUILDDIR" ] ; then
               echo "error: directory ${BUILDDIR} already exists, not proceeding"
               exit 1
             fi
             # Setup chroot directory
             mkdir -p "${R}"
             # Check if build directory has enough of free disk space >512MB
             if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
               echo "error: ${BUILDDIR} not enough space left to generate the output image!"
               exit 1
             fi
             # Call "cleanup" function on various signals and errors
             trap cleanup 0 1 2 3 6
             # Add required packages for the minbase installation
             if [ "$ENABLE_MINBASE" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
             fi
             # Add parted package, required to get partprobe utility
             if [ "$EXPANDROOT" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},parted"
             fi
             # Add dbus package, recommended if using systemd
             if [ "$ENABLE_DBUS" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},dbus"
             fi
             # Add iptables IPv4/IPv6 package
             if [ "$ENABLE_IPTABLES" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
             fi
             # Add openssh server package
             if [ "$ENABLE_SSHD" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},openssh-server"
             fi
             # Add alsa-utils package
             if [ "$ENABLE_SOUND" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},alsa-utils"
             fi
             # Add rng-tools package
             if [ "$ENABLE_HWRANDOM" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},rng-tools"
             fi
             # Add fbturbo video driver
             if [ "$ENABLE_FBTURBO" = true ] ; then
               # Enable xorg package dependencies
               ENABLE_XORG=true
             fi
             # Add user defined window manager package
             if [ -n "$ENABLE_WM" ] ; then
               APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
               # Enable xorg package dependencies
               ENABLE_XORG=true
             fi
             # Add xorg package
             if [ "$ENABLE_XORG" = true ] ; then
               APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
             fi
             # Replace selected packages with smaller clones
             if [ "$ENABLE_REDUCE" = true ] ; then
               # Add levee package instead of vim-tiny
               if [ "$REDUCE_VIM" = true ] ; then
                 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
               fi
               # Add dropbear package instead of openssh-server
               if [ "$REDUCE_SSHD" = true ] ; then
                 APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
               fi
             fi
             # Configure kernel sources if no KERNELSRC_DIR
             if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
               KERNELSRC_CONFIG=true
             fi
             # Configure reduced kernel
             if [ "$KERNEL_REDUCE" = true ] ; then
               KERNELSRC_CONFIG=false
             fi
             set -x
             # Execute bootstrap scripts
             for SCRIPT in bootstrap.d/*.sh; do
               head -n 4 "$SCRIPT"
               . "$SCRIPT"
             done
             ## Execute custom bootstrap scripts
             if [ -d "custom.d" ] ; then
               for SCRIPT in custom.d/*.sh; do
                 . "$SCRIPT"
               done
             fi
             # Execute custom scripts inside the chroot
             if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
               cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
               chroot_exec /bin/bash -x <<'EOF'
             for SCRIPT in /chroot_scripts/* ; do
               if [ -f $SCRIPT -a -x $SCRIPT ] ; then
                 $SCRIPT
               fi
             done
             EOF
               rm -rf "${R}/chroot_scripts"
             fi
             # Remove c/c++ build environment from the chroot
             chroot_remove_cc
             # Generate required machine-id
             MACHINE_ID=$(dbus-uuidgen)
             echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
             echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
             # APT Cleanup
             chroot_exec apt-get -y clean
             chroot_exec apt-get -y autoclean
             chroot_exec apt-get -y autoremove
             # Unmount mounted filesystems
             umount -l "${R}/proc"
             umount -l "${R}/sys"
             # Clean up directories
             rm -rf "${R}/run/*"
             rm -rf "${R}/tmp/*"
             # Clean up files
             rm -f "${ETC_DIR}/ssh/ssh_host_*"
             rm -f "${ETC_DIR}/dropbear/dropbear_*"
             rm -f "${ETC_DIR}/apt/sources.list.save"
             rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
             rm -f "${ETC_DIR}/*-"
             rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
             rm -f "${ETC_DIR}/resolv.conf"
             rm -f "${R}/root/.bash_history"
             rm -f "${R}/var/lib/urandom/random-seed"
             rm -f "${R}/initrd.img"
             rm -f "${R}/vmlinuz"
             rm -f "${R}${QEMU_BINARY}"
             if [ "$ENABLE_QEMU" = true ] ; then
               # Configure qemu compatible kernel
               DTB_FILE=vexpress-v2p-ca15_a7.dtb
               UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
               KERNEL_DEFCONFIG="vexpress_defconfig"
               if [ "$KERNEL_MENUCONFIG" = false ] ; then
                 KERNEL_OLDDEFCONFIG=true
               fi
               # Setup QEMU directory
               mkdir "${BASEDIR}/qemu"
               # Copy kernel image to QEMU directory
               install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
               # Copy kernel config to QEMU directory
               install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
               # Copy kernel dtbs to QEMU directory
               for dtb in "${BOOT_DIR}/"*.dtb ; do
                 if [ -f "${dtb}" ] ; then
                   install_readonly "${dtb}" "${BASEDIR}/qemu/"
                 fi
               done
               # Copy kernel overlays to QEMU directory
               if [ -d "${BOOT_DIR}/overlays" ] ; then
                 # Setup overlays dtbs directory
                 mkdir "${BASEDIR}/qemu/overlays"
                 for dtb in "${BOOT_DIR}/overlays/"*.dtb ; do
                   if [ -f "${dtb}" ] ; then
                     install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
                   fi
                 done
               fi
               # Copy u-boot files to QEMU directory
               if [ "$ENABLE_UBOOT" = true ] ; then
                 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
                   install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
                 fi
                 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
                   install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
                 fi
                 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
                   install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
                 fi
               fi
               # Copy initramfs to QEMU directory
               if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
                 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
               fi
             fi
             # Calculate size of the chroot directory in KB
             CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
             # Calculate the amount of needed 512 Byte sectors
             TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
             FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
             ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
             # The root partition is EXT4
             # This means more space than the actual used space of the chroot is used.
             # As overhead for journaling and reserved blocks 35% are added.
             ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
             # Calculate required image size in 512 Byte sectors
             IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
             # Prepare image file
             if [ "$ENABLE_SPLITFS" = true ] ; then
               dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
               dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
               dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
               dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
               # Write firmware/boot partition tables
               sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
             "${TABLE_SECTORS}","${FRMW_SECTORS}",c,*
             EOM
               # Write root partition table
               sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
             "${TABLE_SECTORS}","${ROOT_SECTORS}",83
             EOM
               # Setup temporary loop devices
               FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"
               ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"
             else # ENABLE_SPLITFS=false
               dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
               dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
               # Write partition table
               sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
             "${TABLE_SECTORS}","${FRMW_SECTORS}",c,*
             "${ROOT_OFFSET}","${ROOT_SECTORS}",83
             EOM
               # Setup temporary loop devices
               FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"
               ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"
             fi
             if [ "$ENABLE_CRYPTFS" = true ] ; then
               # Create dummy ext4 fs
               mkfs.ext4 "$ROOT_LOOP"
               # Setup password keyfile
               touch .password
               chmod 600 .password
               echo -n "${CRYPTFS_PASSWORD}" > .password
               # Initialize encrypted partition
               echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
               # Open encrypted partition and setup mapping
               cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
               # Secure delete password keyfile
               shred -zu .password
               # Update temporary loop device
               ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
               # Wipe encrypted partition (encryption cipher is used for randomness)
               dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
             fi
             # Build filesystems
             mkfs.vfat "$FRMW_LOOP"
             mkfs.ext4 "$ROOT_LOOP"
             # Mount the temporary loop devices
             mkdir -p "$BUILDDIR/mount"
             mount "$ROOT_LOOP" "$BUILDDIR/mount"
             mkdir -p "$BUILDDIR/mount/boot/firmware"
             mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
             # Copy all files from the chroot to the loop device mount point directory
             rsync -a "${R}/" "$BUILDDIR/mount/"
             # Unmount all temporary loop devices and mount points
             cleanup
             # Create block map file(s) of image(s)
             if [ "$ENABLE_SPLITFS" = true ] ; then
               # Create block map files for "bmaptool"
               bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
               bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
               # Image was successfully created
               echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
               echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
             else
               # Create block map file for "bmaptool"
               bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
               # Image was successfully created
               echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
               # Create qemu qcow2 image
               if [ "$ENABLE_QEMU" = true ] ; then
                 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
                 QEMU_SIZE=16G
                 qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
                 qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
                 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
               fi
             fi

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