--- /dev/null
+#!/bin/sh
+set -e
+
+if [ "$#" -ne 1 ]; then
+ echo 'Need exactly one argument (directory).'
+ false
+fi
+directory="$1"
+borgkeys_dir=~/.config/borg/keys
+ssh_dir=~/.ssh
+
+cd "${directory}"
+mkdir -p "${ssh_dir}"
+cp id_rsa ~/.ssh
+ssh-keygen -y -f ~/.ssh/id_rsa > ~/.ssh/id_rsa.pub
+tar xf borg_keyfiles.tar
+mkdir -p "${borgkeys_dir}"
+mv borg_keyfiles/* "${borgkeys_dir}"
+rmdir borg_keyfiles