prepare-rootfs

#!/usr/bin/env bash

set -e

. scripts/env.sh

run_in_qemu()
{
    sudo chroot $SYSROOT /usr/bin/qemu-arm-static /usr/bin/env -i PATH="/sbin:/usr/sbin:/bin:/usr/bin" TERM="$TERM" $*
}

status "Installing qemu-arm-static binary into target FS..."
QEMUDEB=$(mktemp)
curl http://ftp.debian.org/debian/pool/main/q/qemu/qemu-user-static_2.1+dfsg-4_i386.deb >$QEMUDEB
ar p $QEMUDEB data.tar.xz|sudo tar xJf - -C $SYSROOT ./usr/bin/qemu-arm-static
rm -f $QEMUDEB

status "Fixing target's resolv.conf..."
sudo mv $SYSROOT/etc/resolv.conf $SYSROOT/etc/resolv.conf.backup
sudo cp /etc/resolv.conf $SYSROOT/etc/resolv.conf

status "Using qemu to install required packages on target FS..."
run_in_qemu /usr/bin/apt-get update
run_in_qemu /usr/bin/apt-get -y install $(cat $TOP/scripts/ubuntu-packages)
# Installing libudev-dev might upgrade udev, which will fail because upstart is not running.
# Install it independently and forcibly to about this.
run_in_qemu /usr/bin/apt-get download libudev-dev
run_in_qemu /usr/bin/dpkg --force-depends -i $(basename $SYSROOT/libudev-dev*.deb)
rm -f $SYSROOT/libudev-dev*.deb

# Fix the absolute symlinks in the target filesystem that will prevent us
# from linking to them
status "Fixing libraries symlinks..."
run_in_qemu /usr/bin/symlinks -cr /lib /usr/lib

status "Restoring target's resolv.conf..."
sudo rm -f $SYSROOT/etc/resolv.conf
sudo mv $SYSROOT/etc/resolv.conf.backup $SYSROOT/etc/resolv.conf
status "Target FS ready to compile the open graphics stack!"