chroot-home.sh

   1 #!/bin/bash
   2
   3 DEBIAN_MIRROR="http://ftp.us.debian.org/debian"
   4 DEBIAN_DIST_NAME="squeeze"
   5 #DEBIAN_SARGE_BACKPORTS="deb http://archive.debian.org/debian-backports sarge-backports main contrib"
   6
   7 UNAME_M=`uname -m`
   8 if [ "$UNAME_M" == "x86_64" ]; then
   9         echo "Detected 64-bit: $UNAME_M"
  10         ARCH="amd64"
  11 else
  12         echo "Detected 32-bit: $UNAME_M"
  13         ARCH="i386"
  14 fi
  15
  16 usage() {
  17         echo "Usage: $0 <path to source code> <chroot location>"
  18         exit 1
  19 }
  20
  21 # used to check for needed files/programs
  22 verify_prog_requirements() {
  23         # debootstrap is needed
  24         if [ "x`which debootstrap`" = "x" ]; then
  25                 echo "$0: cannot continue, please install debootstrap on your system"
  26                 exit 1
  27         fi
  28         echo "debootstrap location: `which debootstrap`"
  29
  30         # user must be root
  31         if [ ! "x`whoami`" = "xroot" ]; then
  32                 echo "$0: you must be root to setup the chroot environment"
  33                 exit 1
  34         fi
  35 }
  36
  37
  38 # sets up debian sarge system at the given path, binds src dir to directory within chroot
  39 setup_chroot() {
  40         CHROOT_DIR="$1"
  41         SRC_DIR="$2"
  42         echo "Setting up chroot at $CHROOT_DIR..."
  43
  44         mkdir -p $CHROOT_DIR
  45         debootstrap --arch $ARCH $DEBIAN_DIST_NAME $CHROOT_DIR $DEBIAN_MIRROR/
  46         if [ $? != 0 ]; then
  47                 echo "$0: debootstrap failed, exiting"
  48                 exit 1
  49         fi
  50
  51         mkdir $CHROOT_DIR/root/openitg-dev
  52
  53
  54         # first time setup script (sets up debian, retrieves correct packages)
  55         cat <<! >$CHROOT_DIR/root/first_time_setup.sh
  56 #!/bin/sh
  57 export LC_ALL=C
  58 echo -ne "*******************\n* You are now in the OpenITG Home Build chroot environment\n*******************\n"
  59 echo "Installing necessary dev packages..."
  60 # non-free and contrib for the nvidia packages
  61 echo "deb http://ftp.debian.org/debian squeeze main contrib non-free" >/etc/apt/sources.list
  62 apt-get update
  63 apt-get install build-essential gettext automake1.9 gcc g++ libswscale-dev libavcodec-dev libavformat-dev libxt-dev libogg-dev libpng-dev libjpeg-dev libvorbis-dev libusb-dev libglu1-mesa-dev libx11-dev libxrandr-dev liblua50-dev liblualib50-dev nvidia-glx-dev libmad0-dev libasound-dev git-core
  64 echo "OpenITG HOME chroot successfully set up!"
  65 exec /bin/bash
  66 !
  67         chmod +x $CHROOT_DIR/root/first_time_setup.sh
  68
  69         # bootstrap script
  70         cat <<! >$CHROOT_DIR/chroot_bootstrap.sh
  71 #!/bin/sh
  72 mount -o bind /proc $CHROOT_DIR/proc
  73 mount -o bind /sys $CHROOT_DIR/sys
  74 mount -o bind $SRC_DIR $CHROOT_DIR/root/openitg-dev
  75 chroot $CHROOT_DIR /bin/bash
  76 !
  77         chmod +x $CHROOT_DIR/chroot_bootstrap.sh
  78
  79         mount -o bind /proc $CHROOT_DIR/proc
  80         mount -o bind /sys $CHROOT_DIR/sys
  81         mount -o bind $SRC_DIR $CHROOT_DIR/root/openitg-dev
  82         chroot $CHROOT_DIR /root/first_time_setup.sh
  83 }
  84
  85 if [ "x$1" = "x" ]; then
  86         usage
  87 fi
  88 if [ "x$2" = "x" ]; then
  89         usage
  90 fi
  91
  92 if [ ! -d "$1" ]; then
  93         echo "$0: Source code dir not found at $1"
  94         exit 1
  95 fi
  96
  97 verify_prog_requirements
  98
  99 SRC_DIR="`(cd $1; pwd)`"
 100 setup_chroot $2 $SRC_DIR
 101
 102 exit 0;