#!/usr/bin/env bash
set -euo pipefail

mkdir -p /run/sshd
ssh-keygen -A

install -d -m 0700 -o dev -g dev /home/dev/.ssh

if [ -f /home/dev/.ssh/authorized_keys ]; then
    tmp_authorized_keys="$(mktemp)"
    cp /home/dev/.ssh/authorized_keys "${tmp_authorized_keys}"
    install -m 0600 -o dev -g dev "${tmp_authorized_keys}" /home/dev/.ssh/authorized_keys 2>/dev/null || {
        chown dev:dev /home/dev/.ssh/authorized_keys 2>/dev/null || true
        chmod 0600 /home/dev/.ssh/authorized_keys 2>/dev/null || true
    }
    rm -f "${tmp_authorized_keys}"
fi

if [ "$#" -gt 0 ]; then
    exec "$@"
fi

exec /usr/sbin/sshd -D -e