nix#registry: update names

Continuing the work from 487fa7ea26,
simplify the registry entries a bit more by simply refering to the
input flakes. Also add alias `orch` for easy search `override`.

hosts/default.nix

@@ -37,13 +37,7 @@ let
                 modules;
             };
 
-          global =
-            let
-              inherit (lock) nodes;
-
-              lock = builtins.fromJSON (builtins.readFile ../flake.lock);
-            in
-            {
+          global = {
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
 
@@ -60,21 +54,9 @@ let
             nixpkgs = { inherit pkgs; };
 
             nix.registry = {
-                flk.flake = self;
-
-                nixos = {
-                  exact = true;
-                  from = {
-                    id = "nixos";
-                    type = "indirect";
-                  };
-                  to = {
-                    inherit (nixos) lastModified narHash rev;
-
-                    path = override.outPath;
-                    type = "path";
-                  };
-                };
+              devos.flake = self;
+              nixos.flake = nixos;
+              override.flake = override;
             };
 
             system.configurationRevision = lib.mkIf (self ? rev) self.rev;

profiles/core/default.nix

@@ -67,7 +67,8 @@ in
         ns = "n search --no-update-lock-file";
         nf = "n flake";
         nepl = "n repl '<nixpkgs>'";
-        srch = "nsni";
+        srch = "ns nixos";
+        orch = "ns override";
         nrb = ifSudo "sudo nixos-rebuild";
         mn = ''
           manix "" | grep '^# ' | sed 's/^# \(.*\) (.*/\1/;s/ (.*//;s/^# //' | sk --preview="manix '{}'" | xargs manix
@@ -94,21 +95,7 @@ in
         dn = ifSudo "s systemctl stop";
         jtl = "journalctl";
 
-      } // lib.mapAttrs'
-        (n: v:
-          let
-            prefix = lib.concatStrings (lib.take 2 (lib.stringToCharacters n));
-            ref = from:
-              if from ? ref
-              then "ns ${from.id}/${from.ref}"
-              else "ns ${from.id}";
-          in
-          lib.nameValuePair
-            "ns${prefix}"
-            (ref v.from)
-        )
-        config.nix.registry;
-
+      };
   };
 
   fonts = {