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Fedora chroot for Android device
#!/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"
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