Excise flakes in favour of npins and colmena

hive.nix

@@ -0,0 +1,25 @@
+let sources = import ./npins;
+in {
+  meta = {
+    nixpkgs = sources.nixpkgs;
+  };
+
+  defaults = { pkgs, ... }: {
+    imports = [ ./pinning.nix ];
+    deployment.replaceUnknownProfiles = false;
+  };
+
+  tohru = { name, nodes, ... }: {
+    deployment = {
+      allowLocalDeployment = true;
+      targetHost = null;
+    };
+
+    imports = [ ./hosts/tohru/configuration.nix ];
+  };
+
+  yevaud = {
+    deployment.targetHost = "yevaud.birdsong.network";
+    imports = [ ./hosts/yevaud/configuration.nix ];
+  };
+}