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finit/test/chrootsetup.sh
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#!/bin/sh
set -eu
mount -n -t tmpfs none /dev
# mount -t devtmpfs none /dev
# mknod -m 622 /dev/console c 5 1
# mknod -m 666 /dev/null c 1 3
# mknod -m 666 /dev/zero c 1 5
# mknod -m 666 /dev/ptmx c 5 2
# mknod -m 666 /dev/tty c 5 0
# mknod -m 444 /dev/random c 1 8
# mknod -m 444 /dev/urandom c 1 9
# chown root:tty /dev/{console,ptmx,tty}
mount -t proc none /proc
mount -t sysfs none /sys
mkdir -p /tmp.shadow
mount --bind /tmp /tmp.shadow
mount -t tmpfs none /tmp
cp -a /tmp.shadow/* /tmp/
# mount -t tmpfs none /etc
# mkdir -p /dev/pts
# mount -t devpts none /dev/pts
mkdir -p "$FINIT_RCSD"
tty=/dev/$(cat /sys/class/tty/console/active)
mkfifo "$tty"
exec "$@"