--- /dev/null
+#!/bin/bash
+set -e
+set -u
+
+function main() {
+
+ if [ ! -d "$HOME/.ssh" ]; then
+ mkdir -p "$HOME/.ssh/"
+ chmod 0700 "$HOME/.ssh/"
+ fi
+
+ if [ ! -f "$HOME/.ssh/config" ]; then
+ # for the benefit of VSCode
+ touch "$HOME/.ssh/config"
+ chmod 0644 "$HOME/.ssh/config"
+ fi
+
+ if [ ! -f "$HOME/.ssh/authorized_keys" ]; then
+ touch "$HOME/.ssh/authorized_keys"
+ chmod 0600 "$HOME/.ssh/authorized_keys"
+ fi
+
+ if [ ! -f "$HOME/.ssh/id_rsa" ]; then
+ ssh-keygen -b 2048 -t rsa -f "$HOME/.ssh/id_rsa" -q -N ""
+ echo >&2 ""
+ fi
+
+ if [ ! -f "$HOME/.ssh/id_rsa.pub" ]; then
+ ssh-keygen -y -f "$HOME/.ssh/id_rsa" > "$HOME/.ssh/id_rsa.pub"
+ echo >&2 ""
+ fi
+
+ # TODO use the comment (if any) for the name of the file
+ echo >&2 ""
+ #shellcheck disable=SC2088
+ echo >&2 "~/Downloads/id_rsa.$(whoami).pub":
+ echo >&2 ""
+ rm -f "$HOME/Downloads/id_rsa.$(whoami).pub"
+ cp -r "$HOME/.ssh/id_rsa.pub" "$HOME/Downloads/id_rsa.$(whoami).pub"
+ cat "$HOME/Downloads/id_rsa.$(whoami).pub"
+ echo >&2 ""
+}
+
+main