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#!/bin/sh
echo "[yerba-initramfs/init] DEBUG: running ls on /"
ls /
mkdir -p /proc /sys /dev
mount -t proc none /proc
mount -t sysfs none /sys
mount -t devtmpfs none /dev
echo "[yerba-initramfs/init] Mounted /dev, /proc, /sys respectively"
# wait for CD-ROM??
sleep 1
mkdir -p /mnt/iso
ls /mnt/iso
mount /dev/sr0 /mnt/iso
echo "[yerba-initramfs/init] Mounted /dev/sr0 (ISO root)"
echo "[yerba-initramfs/init] DEBUG: running ls on /mnt/iso"
mkdir -p /mnt/root
mount -t squashfs -o loop /mnt/iso/yerba/rootfs.squashfs /mnt/root
echo "[yerba-initramfs/init] Mounted squashfs at /mnt/root"
echo "[yerba-initramfs/init] DEBUG: running ls on /mnt/root"
ls /mnt/root
mkdir -p /mnt/overlay
mount -t tmpfs tmpfs /mnt/overlay
mkdir -p /mnt/overlay/upper /mnt/overlay/work /mnt/overlay/merged
echo "[yerba-initramfs/init] Mounted tmpfs at /mnt/overlay and created upper, work & merged directories"
mount -t overlay overlay -o lowerdir=/mnt/root,upperdir=/mnt/overlay/upper,workdir=/mnt/overlay/work /mnt/overlay/merged
echo "[yerba-initramfs/init] Mounted OverlayFS at /mnt/overlay/merged"
if [ ! -c /dev/console ]; then
echo "[yerba-initramfs/init] console device not found, creating"
mknod -m 600 /dev/console c 5 1
fi
if [ ! -c /dev/tty0 ]; then
echo "[yerba-initramfs/init] tty0 device not found, creating"
mknod -m 620 /dev/tty0 c 4 0
fi
echo "[yerba-initramfs/init] Switching to overlay root..."
exec switch_root /mnt/overlay/merged /init
echo "[yerba-initramfs/init] switch_root failed, dropping to shell"
exec /bin/sh
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