Fedora chroot for Android device

setup-fedora-chroot.sh

#!/system/bin/sh

# Don't add a trailing slash, the script is fragile
ROOT=/mnt/sdcard

error()
{
	echo '*** ' $1 ' ***'
	exit 1;
}

mountfs()
{
	if cut -f 2 -d " " /proc/mounts | grep -q $4 ; then return ; fi
	mount $1 $2 $3 $4 || error "Failed to mount $3"
}

if [ ! -d $ROOT ] ; then error "Wrong mount point" ; fi

# Verify that we'll be able to mount /dev in the chroot
if ! grep -q devtmpfs /proc/filesystems ; then error "Your kernel doesn't have devtmpfs support" ; fi

# Mount everything
mountfs -t ext4 /dev/block/mmcblk1 $ROOT
mountfs -t proc none $ROOT/proc
mountfs -t sysfs none $ROOT/sys
mountfs -t devtmpfs none $ROOT/dev
if [ ! -d $ROOT/dev/pts ] ; then mkdir $ROOT/dev/pts; fi
mountfs -t devpts none $ROOT/dev/pts
mountfs -t tmpfs none $ROOT/run

# Last minute fixes
export PATH="/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/usr/sbin:/usr/local/sbin:/usr/games"
export PS1="$USER@$HOSTNAME:${PWD:-?} # "

# Set up internet using Google's DNS servers
if [ ! -f $ROOT/etc/resolv.conf ] ; then
	echo "nameserver 8.8.8.8" > $ROOT/etc/resolv.conf
	echo "nameserver 8.8.4.4" >> $ROOT/etc/resolv.conf
fi

# And the chroot is ready
/system/xbin/chroot /mnt/sdcard/ /bin/bash || error "Failed to setup chroot"