#!/bin/sh
# Chroots to Debian and runs a shell, or any command-line as non-root.

# By Alan M Bruce (qole), Benson Mitchell and Thomas Perl
#
# GPL licensed; keep code free!

if [ "`whoami`" = "root" ] ; then
  echo "please don't run me as root!"
  exit 9
fi

#Pull in the config, if possible...
[ -f /home/user/.chroot ] && . /home/user/.chroot

#This comes from the config file... If not, fall back on 'user'
#[ "x$DEBUSER" != x ] || DEBUSER=user
DEBUSER=$USER

CHROOTUSER=$DEBUSER

#If display's not given, go to primary display. If it's set, let's not
#mangle it to allow convenient use of USB VGA out, or multiple Xomaps.
[ "x$DISPLAY" != x ] || export DISPLAY=:0.0

#This enables long-hold-to-right-click in all GTK+ apps.
#Maybe we'd be better to add libgtkstylus.so anyway, but for now, we'll
#just leave it if they've got any non-empty GTK_MODULES 
[ "x$GTK_MODULES" != x ] || export GTK_MODULES=libgtkstylus.so

#Note use of su below, so no Debian-side script req'd to drop privileges.
#With no args, use a shell; su will get the right one, with no -c
#With args, just run them as $DEBUSER.

if [ $# = 0 ] ; then
  echo Starting Ubuntu shell... >/dev/stderr
  sudo /sbin/ubuntu su $DEBUSER
else
  # Workaround to allow "debbie" to be used as login shell
  if [ "$1" == "-c" ]; then
    shift
  fi
  echo Starting Ubuntu $* >/dev/stderr
  sudo /sbin/ubuntu su $DEBUSER -c "$*"
fi

#!/bin/sh
# Sets up (if necessary) for chroot into a Debian 
environment.
# Expects root privileges, does not drop them. 
# Look to /usr/bin/debbie for a friendly wrapper.

# By Alan M Bruce (qole) with help from Benson 
Mitchell and Thomas Perl
#
# GPL licensed; keep code free!

if [ "`whoami`" != "root" ] ; then
  echo "please run me as root!"
  exit 9
fi

#Pull in the config, if possible...
if [ -f "/home/user/.chroot" ] ; then

. /home/user/.chroot

else
  echo "No ~/.chroot file." >/dev/stderr
fi

#This comes from the config file... If not, fall back 
on '/debian'
if [ "x$CHROOT" = "x" ] ; then
  CHROOT=/.ubuntu
  echo "No chroot dir specified; using $CHROOT" 
>/dev/stderr
else
  echo "Chroot dir specified: $CHROOT" >/dev/stderr
fi

#This comes from the config. If not, search for 
ubuntu*.img.ext2
if [ "x$IMGFILE" = "x" ] ; then
  echo "No image file or partition specified." 
>/dev/stderr
  IMGMMC="`ls -1 /home/user/ubuntu*.img* 
/media/mmc1/ubuntu*.img* | head -1`"
  if [ "x$IMGMMC" != x ] ; then
    IMGFILE="$IMGMMC"
  else
    MSG1=`printf "ERROR!\n\nYou have no 
ubuntu.img.ext2 file on your memory cards.\n\nPlease 
use the Debian Image Installer in Extras."`
    if [ ! -f "/usr/bin/gxmessage" ] ; then
      echo $MSG1 >/dev/stderr
    else
      gxmessage -center -alignbuttons center -buttons 
GTK_STOCK_OK:0 -geometry 680x250 -title "MISSING DISK 
IMAGE" "$MSG1"
    fi
    exit 9
  fi
else
  echo "$IMGFILE specified in ~/.chroot" >/dev/stderr
fi

#
#Make the temp dir bigger for OpenOffice etc.
#
#This comes from the config file... 
#If not, fall back to a 6MB /tmp dir
#

[ "x$TMPSIZE" != x ] || TMPSIZE=6M
mount -o remount,size=$TMPSIZE /tmp

#Messy hack to make tap-and-hold work with GTK apps.
export GTK_MODULES=libgtkstylus.so

#Some OpenOffice environment variables
export SAL_USE_VCLPLUGIN="gtk"
export OOO_FORCE_DESKTOP="gnome"
export SAL_NOOPENGL="true"
export OOO_DISABLE_RECOVERY="true"
export 
SAL_DISABLE_SYNCHRONOUS_PRINTER_DETECTION="true"
#export SAL_DISABLE_CUPS="true"

qchroot $IMGFILE $CHROOT "$@"

~ $ ubuntu openoffice.org
Starting Ubuntu openoffice.org
/sbin/ubuntu: line 3: environment.: not found
/sbin/ubuntu: line 8: Mitchell: not found
/sbin/ubuntu: line 27: on: not found
Chroot dir specified: /.debian
/sbin/ubuntu: line 37: ubuntu*.img.ext2: not found
No image file or partition specified.
ls: /home/user/ubuntu*.img*: No such file or directory
/sbin/ubuntu: line 60: /media/mmc1/ubuntu-m5-v1.img.ext2: Permission denied
/sbin/ubuntu: line 60: GTK_STOCK_OK:0: not found
~ $ sudo chmod +x /media/mmc1/ubuntu-m5-v1.img.ext2
~ $ ubuntu openoffice.org
Starting Ubuntu openoffice.org
/sbin/ubuntu: line 3: environment.: not found
/sbin/ubuntu: line 8: Mitchell: not found
/sbin/ubuntu: line 27: on: not found
Chroot dir specified: /.debian
/sbin/ubuntu: line 37: ubuntu*.img.ext2: not found
No image file or partition specified.
ls: /home/user/ubuntu*.img*: No such file or directory
/sbin/ubuntu: line 60: /media/mmc1/ubuntu-m5-v1.img.ext2: Permission denied
/sbin/ubuntu: line 60: GTK_STOCK_OK:0: not found
~ $ sudo chmod 777 /media/mmc1/ubuntu-m5-v1.img.ext2
~ $ ubuntu openoffice.org
Starting Ubuntu openoffice.org
/sbin/ubuntu: line 3: environment.: not found
/sbin/ubuntu: line 8: Mitchell: not found
/sbin/ubuntu: line 27: on: not found
Chroot dir specified: /.debian
/sbin/ubuntu: line 37: ubuntu*.img.ext2: not found
No image file or partition specified.
ls: /home/user/ubuntu*.img*: No such file or directory
/sbin/ubuntu: line 60: /media/mmc1/ubuntu-m5-v1.img.ext2: Permission denied
/sbin/ubuntu: line 60: GTK_STOCK_OK:0: not found
~ $

sudo nano /usr/bin/ubuntu

if [ "x$UBUNTUIMG" = "x" ] ; then
  UBUNTUIMG="`ls -1 /media/mmc1/ubuntu*.img* | head -1`"
fi

if [ "x$UBUNTUCHROOT" = "x" ] ; then
  UBUNTUCHROOT="/.ubuntu"
fi

if [ ! -d "$UBUNTUCHROOT" ] ; then
  sudo mkdir $UBUNTUCHROOT
fi

sudo qchroot $UBUNTUIMG $UBUNTUCHROOT "$@"

sudo chmod +x /usr/bin/ubuntu