From 232b3ac5b3e45c7f2205c9478ee1f9df4a2180a2 Mon Sep 17 00:00:00 2001
From: Alexandre de Souza <alexandre@aledsz.com.br>
Date: Mon, 22 Sep 2025 11:21:00 -0300
Subject: [PATCH] Keys from the user input still needs normalization

---
 lib/livebook/file_system/git.ex | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/livebook/file_system/git.ex b/lib/livebook/file_system/git.ex
index 77c234afc..518d6262a 100644
--- a/lib/livebook/file_system/git.ex
+++ b/lib/livebook/file_system/git.ex
@@ -38,6 +38,17 @@ defmodule Livebook.FileSystem.Git do
       message: "must be a valid repo URL"
     )
     |> validate_required([:repo_url, :branch, :key, :hub_id])
+    |> update_change(:key, fn key ->
+      if key =~ "\n" do
+        key
+      else
+        String.replace(
+          key,
+          ~r/ (?!(?:OPENSSH |RSA |EC |DSA |PRIVATE )?(?:PRIVATE )?KEY-----)/,
+          "\n"
+        )
+      end
+    end)
     |> put_id()
   end