From 109fa1a71825dc2555f94bcd11be5712f17ce9e3 Mon Sep 17 00:00:00 2001
From: Manuel Thalmann <m@nuth.ch>
Date: Wed, 4 Dec 2024 18:23:03 +0100
Subject: [PATCH] Create new ssh key implicitly

---
 scripts/Common/OS/backup.fish | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/scripts/Common/OS/backup.fish b/scripts/Common/OS/backup.fish
index 5d432edc..00943f83 100644
--- a/scripts/Common/OS/backup.fish
+++ b/scripts/Common/OS/backup.fish
@@ -16,10 +16,17 @@ function backupAction -V dir
 
     if [ -z "$VALHALLA_BACKUP_DIR" ]
         if fish "$dir/../../../lib/modules/partition/confirm.fish" "Do you wish to store the backup on an SSH server?" n
+            set -l keyVar VALHALLA_BACKUP_SERVER_KEY
+            set -l keyPath ~root/.config/port-valhalla/valhalla
             read -xP "Please specify the host name of the SSH server: " VALHALLA_BACKUP_SERVER
             read -xP "Please specify the port of the SSH server (default 22): " VALHALLA_BACKUP_SERVER_PORT
             read -xP "Please specify the name of the user to log in to the SSH server: " VALHALLA_BACKUP_SERVER_USER
-            read -xP "Please specify the path to the key file for logging in to the SSH server: " VALHALLA_BACKUP_SERVER_KEY
+
+            if [ -z "$$keyVar" ]
+                set -gx "$keyVar" "$keyPath"
+                sudo mkdir -p (dirname "$keyPath")
+                sudo ssh-keygen -f "$$keyVar" -N ""
+            end
 
             if [ -z "$VALHALLA_BACKUP_SERVER_PORT" ]
                 set -x VALHALLA_BACKUP_SERVER_PORT 22
@@ -29,6 +36,9 @@ function backupAction -V dir
             echo "$(tput setaf 3)==== WARNING ====$(tput sgr0)"
             echo "For a seamless experience, please make sure that you are able to establish an unattended ssh connection using key authentication."
             echo
+            echo "Your public key is:"
+            sudo cat "$VALHALLA_BACKUP_SERVER_KEY.pub"
+            echo
             echo "$(tput bold)This command should succeed without user interaction:$(tput sgr0)"
             echo "sudo ssh -o PasswordAuthentication=no -i $(string escape -- "$VALHALLA_BACKUP_SERVER_KEY") -p $VALHALLA_BACKUP_SERVER_PORT $VALHALLA_BACKUP_SERVER true"
             read -P "Press enter once you're done: "