Yubikey handling improvements

home-manager/base.nix

@@ -5,6 +5,7 @@
     ./programs/vim.nix
     ./programs/gpg.nix
     ./programs/git.nix
+    ./programs/bash.nix
   ];
 
   # Self-hosting

home-manager/programs/bash.nix

@@ -0,0 +1,8 @@
+{ ... }: {
+  programs.bash = {
+    enable = true;
+    shellAliases = {
+      ssh-with-yubikey = "ssh -A -R \"$(gpgconf --list-dirs agent-socket):$(gpgconf --list-dirs agent-socket)\" -o \"StreamLocalBindUnlink=yes\"";
+    };
+  };
+}