#!/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 "$rocket/dev"
umount -R "$rocket/dev" 2> /dev/null || true
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 -dm750 "$rocket/root"
install -dm1777 "$rocket/tmp"
mkdir -p "$rocket/etc" "$rocket/usr/pkg" "$rocket/usr/sat"

echo "Creating temporary symlinks"
mkdir -p "$rocket/usr/pkg/tmp-coreutils/bin"
ln -f "$rocket/tools/bin/busybox" "$rocket/usr/pkg/tmp-coreutils/bin/pwd"
mkdir -p "$rocket/usr/pkg/tmp-sh/bin"
ln -f "$rocket/tools/bin/busybox" "$rocket/usr/pkg/tmp-sh/bin/sh"
mkdir -p "$rocket/usr/pkg/tmp-bash/bin"
ln -f "$rocket/tools/bin/bash" "$rocket/usr/pkg/tmp-bash/bin/bash"
mkdir -p "$rocket/usr/pkg/tmp-ca-certificates/etc/ssl"
ln -sf /tools/ssl/certs "$rocket/usr/pkg/tmp-ca-certificates/etc/ssl/certs"
mkdir -p "$rocket/usr/pkg/tmp-gcc/usr/lib"
ln -f "$rocket/tools/lib/libgcc_s.so" "$rocket/usr/pkg/tmp-gcc/usr/lib/libgcc_s.so"
ln -f "$rocket/tools/lib/libgcc_s.so.1" "$rocket/usr/pkg/tmp-gcc/usr/lib/libgcc_s.so.1"
ln -f "$rocket/tools/lib/libstdc++.so" "$rocket/usr/pkg/tmp-gcc/usr/lib/libstdc++.so"
ln -f "$rocket/tools/lib/libstdc++.so.6" "$rocket/usr/pkg/tmp-gcc/usr/lib/libstdc++.so.6"
ln -f "$rocket/tools/lib/libstdc++.so.6.0.21" "$rocket/usr/pkg/tmp-gcc/usr/lib/libstdc++.so.6.0.21"

echo "Creating users and groups"
echo 'root:x:0:0:root:/root:/bin/sh
nobody:x:99:99:Unprivileged User:/dev/null:/bin/false' > "$rocket/etc/passwd"
echo 'root:x:0:
tty:x:1:
nogroup:x:99:' > "$rocket/etc/group"

echo "Configuring stow"
echo '-d /usr/pkg
-t /' > "$rocket/etc/stowrc"