Restructure krops deployments

deploy.nix

@@ -0,0 +1,45 @@
+# Deploy with: nix build -f ./deploy.nix HOSTNAME && ./result
+let
+  sources = import ./nix/sources.nix;
+
+  krops = sources.krops;
+  lib = import "${krops}/lib";
+  kropsPkgs = import "${krops}/pkgs" { };
+
+  kropsDeploy =
+    { hostname
+    , target ? null
+    , extraSources ? { }
+    }:
+    let
+      source = lib.evalSource [
+        ({
+          nixpkgs.git = {
+            ref = sources.nixpkgs.rev;
+            url = https://github.com/NixOS/nixpkgs;
+            shallow = true;
+          };
+          config.file = toString ./.;
+          nixos-config.symlink = "config/machines/${hostname}/configuration.nix";
+          secrets.pass = {
+            dir = toString ~/.password-store;
+            name = "nixos/machines/${hostname}";
+          };
+        } // extraSources)
+      ];
+    in
+    kropsPkgs.krops.writeDeploy "deploy-${hostname}" {
+      source = source;
+      target = lib.mkTarget (if target == null then "root@${hostname}" else target) // {
+        extraOptions = [
+          # force allocation of tty to allow aborting with ^C and to show build progress
+          "-t"
+        ];
+      };
+    };
+in
+builtins.mapAttrs (hostname: configuration: kropsDeploy { inherit hostname; } // configuration)
+{
+  nunotaba = { };
+  sayuri = { };
+}

lib/krops.nix

@@ -1,35 +0,0 @@
-{ hostname
-, target ? null
-, extraSources ? { }
-}:
-let
-  sources = import ../nix/sources.nix;
-  krops = sources.krops;
-  lib = import "${krops}/lib";
-  pkgs = import "${krops}/pkgs" { };
-
-  source = lib.evalSource [
-    ({
-      nixpkgs.git = {
-        ref = sources.nixpkgs.rev;
-        url = https://github.com/NixOS/nixpkgs;
-        shallow = true;
-      };
-      config.file = toString ../.;
-      nixos-config.symlink = "config/machines/${hostname}/configuration.nix";
-      secrets.pass = {
-        dir = toString ~/.password-store;
-        name = "nixos/machines/${hostname}";
-      };
-    } // extraSources)
-  ];
-in
-pkgs.krops.writeDeploy "deploy-${hostname}" {
-  source = source;
-  target = lib.mkTarget (if target == null then "root@${hostname}" else target) // {
-    extraOptions = [
-      # force allocation of tty to allow aborting with ^C and to show build progress
-      "-t"
-    ];
-  };
-}

machines/nunotaba/krops.nix

@@ -1,3 +0,0 @@
-import ../../lib/krops.nix rec {
-  hostname = "nunotaba";
-}

machines/sayuri/krops.nix

@@ -1,3 +0,0 @@
-import ../../lib/krops.nix {
-  hostname = "sayuri";
-}