Chroot into Raspberry Pi ARMv7 Image with Qemu

raspberry-pi-chroot-armv7-qemu.sh

# install dependecies
apt-get install qemu qemu-user-static binfmt-support systemd-container

# download raspbian image
#wget https://downloads.raspberrypi.org/raspbian_latest

# extract raspbian image
#unzip raspbian_latest

# extend raspbian image by 1gb
#dd if=/dev/zero bs=1M count=1024 >> 2016-05-27-raspbian-jessie.img

# set up image as loop device
/sbin/losetup --find --partscan --show 2019-04-08-raspbian-stretch-lite.img

# check file system
#e2fsck -f /dev/loop0p2

#expand partition
#resize2fs /dev/loop0p2

# mount partition
mkdir -p /mnt/rpi
mount --options rw /dev/loop0p2  /mnt/rpi
mount --options rw /dev/loop0p1 /mnt/rpi/boot

# ld.so.preload fix
#sed -i 's/^/#/g' /mnt/rpi/etc/ld.so.preload

# copy qemu binary
cp /usr/bin/qemu-arm-static /mnt/rpi/usr/bin/

# copy files
export SETUP_DIR=/home/myst-setup
mkdir -p "/mnt/rpi${SETUP_DIR}"
cp build/package/myst_linux_armhf.deb "/mnt/rpi${SETUP_DIR}"
cp bin/package/raspberry/files/* "/mnt/rpi${SETUP_DIR}"

# run cmd in container
systemd-nspawn --directory=/mnt/rpi --chdir="${SETUP_DIR}" bash -ev setup.sh

# revert ld.so.preload fix
#sed -i 's/^#//g' /mnt/rpi/etc/ld.so.preload

# unmount everything
umount --recursive /mnt/rpi

# unmount loop device
/sbin/losetup -d /dev/loop0

#[Source](https://wiki.debian.org/RaspberryPi/qemu-user-static)