Things

- lockfile updated
- Working with Hydra
- Emacs packages
- Workaround for nix/git

hosts/pc/configuration.nix

@@ -68,11 +68,22 @@
   };
 
   systemd.services.nix-daemon.serviceConfig = {
-    LimitNOFILE = lib.mkForce 131072; # should help with fds errors due to experimental feature `ca-derivations`
+    LimitNOFILE = lib.mkForce "Infinity"; # 131072; # should help with fds errors due to experimental feature `ca-derivations`
   };
 
   networking.firewall = {
     enable = true;
     allowPing = true;
   };
+
+
+  services.hydra = {
+    enable = true;
+    hydraURL = "http://localhost:3000"; # externally visible URL
+    notificationSender = "hydra@localhost"; # e-mail of hydra service
+    # a standalone hydra will require you to unset the buildMachinesFiles list to avoid using a nonexistant /etc/nix/machines
+    buildMachinesFiles = [ ];
+    # you will probably also want, otherwise *everything* will be built from scratch
+    useSubstitutes = true;
+  };
 }