Persist the gcloud config directory.

nix/configuration/roles/gcloud/default.nix

@@ -23,6 +23,20 @@
         environment.systemPackages = with pkgs; [
           google-cloud-sdk
         ];
+
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                directory = ".config/gcloud";
+                user = "talexander";
+                group = "talexander";
+                mode = "0700";
+              }
+            ];
+          };
+        };
       }
     ]
   );