#!/bin/bash
set -ex
THIS_DIR=$( cd "$( dirname "${BASH_SOURCE[0]:-${(%):-%x}}" )" && pwd )

tmp_path="/tmp/authorized_keys"
dest_path="/home/ssh/.ssh/authorized_keys"
echo "# This file is autoly generated. Changes here will not work." > "$tmp_path"

for file in $(find "$THIS_DIR/../authorized_keys" -type f); do
    (echo "# key file: ${file#*authorized_keys/}";cat "$file"; echo) >> "$tmp_path"
done

if [[ ! -d "/home/ssh/.ssh" ]]; then
    mkdir -p "/home/ssh/.ssh"
    chown ssh:ssh "/home/ssh/.ssh"
    chmod 700 "/home/ssh/.ssh"
fi
cat "$tmp_path" > "$dest_path"
rm "$tmp_path"
chown ssh:ssh "$dest_path"
chmod 600 "$dest_path"