Add terraform alias

overlays/setup-ssh/default.nix

@@ -0,0 +1,3 @@
+{ pkgs, gh, ... }:
+
+pkgs.writeShellScriptBin "setup-ssh" (builtins.replaceStrings ["gh "] ["${gh}/bin/gh "] (builtins.readFile ./setup-ssh.sh))

overlays/setup-ssh/setup-ssh.sh

@@ -0,0 +1,12 @@
+# vim: set ft=bash:
+file="${HOME}/.ssh/id_ed25519"
+if [ ! -f "${file}" ]; then
+	echo "Generating a new key"
+	ssh-keygen -t ed25519 -f "${file}" -N ''
+	cat "${file}.pub" >> /etc/nixos/home/ssh/authorized_keys
+
+	echo "Authing key to GitHub - may fail"
+	gh auth refresh -h github.com -s admin:public_key
+	gh ssh-key add -t ${HOSTNAME}-auto "${file}" || true
+fi
+cp /etc/nixos/home/ssh/authorized_keys "${HOME}/.ssh/authorized_keys"