RocketLinux/tools/prepchroot

#!/bin/sh
umask 022
set -e

if [ "$(id -u)" != "0" ]; then
    echo "Please run this script as root" 1>&2
    exit 1
fi

if [ ! "$rocket" ]; then
    echo 'Please set the $rocket variable' 1>&2
    exit 1
fi

echo "Changing ownership of $rocket to root"
chown -R 0.0 "$rocket"

echo "Creating device nodes"
mkdir -p "$rocket/dev"
if cut -d' ' -f2 /proc/mounts | grep "$rocket/dev" > /dev/null; then
    umount -R "$rocket/dev"
fi
mknod -m 600 "$rocket/dev/console" c 5 1 2> /dev/null || true
mknod -m 666 "$rocket/dev/null" c 1 3 2> /dev/null || true

echo "Creating directories"
install -dm755 "$rocket/root"
mkdir -p "$rocket/etc/ssl" "$rocket/bin" "$rocket/usr/pkg" "$rocket/usr/sat"

echo "Moving temporary things into place"
ln -sf /tools/bin/sh "$rocket/bin/sh"
ln -sf /tools/bin/bash "$rocket/bin/bash"
ln -sf /tools/lib/ssl/certs "$rocket/etc/ssl/certs"

echo "Creating users and groups"
echo 'root:x:0:0:root:/root:/bin/sh' > "$rocket/etc/passwd"
echo 'root:x:0:' > "$rocket/etc/group"