feat(home): limit 1Password SSH agent to Default and jp-gitlab keys

1 files changed, 15 insertions, 0 deletions

diff --git a/modules/home/onepassword.nix b/modules/home/onepassword.nix
new file mode 100644
index 0000000..a9ce718
--- /dev/null
+++ b/modules/home/onepassword.nix
@@ -0,0 +1,15 @@
+{ ... }:
+
+{
+  # Limits which keys the 1Password SSH agent offers. Without this file the
+  # agent exposes every SSH key in every vault, and servers drop the connection
+  # after ~6 failed offers before reaching the right one. Order is the order
+  # the agent offers them in, so the default key goes first.
+  home.file.".config/1Password/ssh/agent.toml".text = ''
+    [[ssh-keys]]
+    item = "Default"
+
+    [[ssh-keys]]
+    item = "jp-gitlab"
+  '';
+}