wheezy-stage2

#!/bin/sh
# Part of spindle http://asbradbury.org/projects/spindle
#
# See LICENSE file for copyright and license details

set -ex

CURIMG=stage2.qed

. ./common

# Make changes to /etc/skel before we start adding new users
modify_etc_skel() {
  onvm_chroot sh -l -ex - <<\EOF
# Essentially the same as the default debian one, but enable color by default
# and slightly tweak PS1
cat <<\EOF1 > /etc/skel/.bashrc
# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth

# append to the history file, don't overwrite it
shopt -s histappend

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=2000

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# If set, the pattern "**" used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
#shopt -s globstar

# make less more friendly for non-text input files, see lesspipe(1)
#[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color) color_prompt=yes;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
  # We have color support; assume it's compliant with Ecma-48
  # (ISO/IEC-6429). (Lack of such support is extremely rare, and such
  # a case would tend to support setf rather than setaf.)
  color_prompt=yes
    else
  color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\] \[\033[01;34m\]\w \$\[\033[00m\] '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# some more ls aliases
#alias ll='ls -l'
#alias la='ls -A'
#alias l='ls -CF'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if [ -f /etc/bash_completion ] && ! shopt -oq posix; then
    . /etc/bash_completion
fi
EOF1
EOF
}

# For now we add a root password (this is a totally minimal system). It should be 
# disabled at a later stage
configure_users() {
  onvm_chroot sh -l -ex - <<EOF
adduser --disabled-password --gecos "" pi
echo "pi:raspberry" | chpasswd
echo "root:root" | chpasswd
EOF
}

configure_fstab() {
  onvm_chroot sh -l -e - <<EOF1
cat <<EOF2 > /etc/fstab
proc            /proc           proc    defaults          0       0
/dev/mmcblk0p1  /boot           vfat    defaults,sync          0       0
/dev/mmcblk0p2  /               ext4    defaults,noatime  0       0
EOF2
EOF1
}

configure_sources_list() {
  onvm_chroot sh -l -e - <<EOF
  printf "deb $DEB_MIRROR wheezy main contrib non-free\n" > /etc/apt/sources.list
EOF
}

configure_network_interfaces() {
  onvm_chroot sh -l -e - <<\EOF1
cat <<EOF2 > /etc/network/interfaces
auto lo

iface lo inet loopback
iface eth0 inet dhcp
EOF2
# Default to a known-good nameserver (useful for mounting this image over NFS)
printf "nameserver 8.8.8.8\n" > /etc/resolv.conf
EOF1
}

configure_hostname() {
  onvm_chroot sh -l -e - <<EOF
echo raspberrypi > /etc/hostname
printf "127.0.1.1\traspberrypi\n" >> /etc/hosts
EOF
}

disable_eth_renaming() {
  onvm_chroot sh -l -e - <<EOF
sed -i -e 's/KERNEL\!="eth\*|/KERNEL\!="/' /lib/udev/rules.d/75-persistent-net-generator.rules
dpkg-divert --add --local /lib/udev/rules.d/75-persistent-net-generator.rules
EOF
}

# Due to a change of behaviour in getty, we must pass --noclear to ensure our 
# boot messages don't get cleared
# Also, spawn a getty on the serial line
configure_inittab() {
  onvm_chroot sh -l -e - <<\EOF
sed -i -e "s/^\(1:2345.*\)getty\(.*tty1\)$/\1getty --noclear\2/" /etc/inittab
printf "\n#Spawn a getty on Raspberry Pi serial line\n" >> /etc/inittab
printf "T0:23:respawn:/sbin/getty -L ttyAMA0 115200 vt100\n" >> /etc/inittab
EOF
}

adjust_motd() {
  onvm_chroot sh -l -e <<\EOF1
cat <<EOF2 >> /etc/motd.tail

Type 'startx' to launch a graphical session

EOF2
EOF1
}

install_firmware() {
  onvm_chroot sh -l -e - <<EOF
echo "deb http://archive.raspberrypi.org/debian/ wheezy main" > /etc/apt/sources.list.d/raspi.list
apt-key add - <<EOF1
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Version: GnuPG v1.4.12 (GNU/Linux)

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m++/7s3K3L0zWopdhMVcgg6Nt9gcjzqN1c0gy55L/g==
=mNSj
-----END PGP PUBLIC KEY BLOCK-----
EOF1
apt-get update
apt-get install -y libraspberrypi-bin libraspberrypi0 raspberrypi-bootloader
cp -a /boot/arm192_start.elf /boot/start.elf # default to 129mb memory split
echo "dwc_otg.lpm_enable=0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 \
console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait" > /boot/cmdline.txt
cat <<EOF1 > /boot/config.txt
# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

# uncomment if hdmi display is not detected and composite is being output
#hdmi_force_hotplug=1

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
#hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

# for more options see http://elinux.org/RPi_config.txt
EOF1
EOF
}

# Relies on the fact my repo was already added in install_firmware
install_raspi_config() {
  onvm_chroot sh -l -e - <<\EOF
apt-get install -y raspi-config
# Automatically log in on tty1 until raspi-config configures it to do 
# otherwise
sed -i /etc/inittab -e "s|^\(1:2345.*getty.*tty1.*\)|\
#\1 # RPICFG_TO_ENABLE\n1:2345:respawn:/bin/login -f root tty1 </dev/tty1 >/dev/tty1 2>\&1 # RPICFG_TO_DISABLE|"
EOF
}

# Deprecated in favour of using the Debian packaging
download_and_extract_firmware_if_necessary() {
  if ! [ -d firmware ]; then
    git clone git://github.com/raspberrypi/firmware.git
  fi
}

cd $WORKDIR
dotask branch_image ../$OUTDIR/stage1.qed $CURIMG
dotask run_qemu $CURIMG
dotask mount_apt_cache
dotask disable_starting_services
dotask modify_etc_skel
dotask configure_users
dotask configure_fstab
dotask configure_sources_list
dotask configure_network_interfaces
dotask configure_hostname
dotask disable_eth_renaming
dotask configure_inittab
dotask adjust_motd
dotask install_firmware
dotask install_raspi_config
dotask update_issue
dotask allow_starting_services
dotask shutdown_qemu
#dotask download_and_extract_firmware_if_necessary
sudo -v
# We have to copy the /boot from root partition to boot partition. Temporary 
# hack
dotask attach_image_to_nbd $CURIMG $NBD_DEV
mkdir -p boot
dotask sudo mount $BOOT_DEV boot
mkdir -p rootfs
dotask sudo mount $ROOT_DEV rootfs
dotask sudo mv rootfs/boot/* boot
universal_cleanup
dotask finish_image