#!/bin/ash

AUTH_KEYS_DIR="/root/.ssh/authorized_keys.d/"
AUTH_KEYS_FILE="/root/.ssh/authorized_keys"

# do we even have the directory?
[ ! -d "$AUTH_KEYS_DIR" ] && echo "No such directory: $AUTH_KEYS_DIR" && exit 0

mkdir -m 700 $(dirname "$AUTH_KEYS_FILE") 2>/dev/null

# ok, lets cat them in the real file
for KEY in "$AUTH_KEYS_DIR"/* ; do
	if ! cat $KEY >> "$AUTH_KEYS_FILE" ; then
		echo "Could not add '$KEY' to '$AUTH_KEYS_FILE'"
		exit 1
	fi
done

# all done, all good
exit 0