Pass REPO_DIR implicitly

panel/default.nix

@@ -35,8 +35,6 @@ in
       export CREDENTIALS_DIRECTORY=${builtins.toString ./.credentials}
       export DATABASE_URL="sqlite:///${toString ./src}/db.sqlite3"
     '';
-    # FIXME: ending a path in a non-name produces a double hash :(
-    REPO_DIR = ./..;
     NIX_DIR = pkgs.nix;
   };
 

panel/src/panel/views.py

@@ -1,4 +1,5 @@
 from enum import Enum
+import os
 
 from django.urls import reverse_lazy
 import os
@@ -11,18 +12,23 @@ from django.views.generic.edit import FormView
 from panel import models
 from panel.configuration import Version
 
+
 class Index(TemplateView):
     template_name = 'index.html'
 
+
 class AccountDetail(LoginRequiredMixin, DetailView):
     model = User
     template_name = 'account_detail.html'
+
     def get_object(self):
         return self.request.user
 
+
 class ServiceList(TemplateView):
     template_name = 'service_list.html'
 
+
 class ConfigurationForm(LoginRequiredMixin, FormView):
     template_name = 'configuration_form.html'
     success_url = reverse_lazy('configuration_form')
@@ -47,12 +53,14 @@ class ConfigurationForm(LoginRequiredMixin, FormView):
             print("DEPLOYING:")
             print(os.getenv("REPO_DIR"))
             print(os.getenv("NIX_DIR"))
-            env={
+            env = {
                 "DEPLOYMENT": obj.parsed_value.model_dump_json(),
                 "PATH": f"{os.getenv("NIX_DIR")}/bin/",
             }
             print(f"env: {env}")
-            subprocess.run(["nix", "develop", "--command", "nixops4", "--show-trace", "--verbose", "apply", "test"], cwd=os.getenv("REPO_DIR"), env=env)
+            print(f"Path: {os.getcwd()}/..")
+            subprocess.run(["nix", "develop", "--command", "nixops4", "--show-trace",
+                           "--verbose", "apply", "test"], cwd=os.getenv("REPO_DIR") or f"{os.getcwd()}/..", env=env)
         return obj
 
     # TODO(@fricklerhandwerk):