feat: expose capabilities in top-level config

tidepool/default.nix

@@ -49,6 +49,7 @@ let
     };
 in
 new [
+  ./src/capabilities
   ./src/packages
   ./src/builders/foundation/basic.nix
 ]

tidepool/src/capabilities/default.nix

@@ -0,0 +1,18 @@
+{ config }:
+let
+  inherit (config) lib;
+in
+{
+  includes = [
+    ./make.nix
+  ];
+
+  options = {
+    capabilities = lib.options.create {
+      description = "A set of capabilities that can be added to packages to provide build functionality.";
+      # TODO: define proper type
+      type = lib.types.attrs.of (lib.types.function lib.types.any);
+      default.value = { };
+    };
+  };
+}

tidepool/src/capabilities/make.nix

@@ -1,40 +1,42 @@
-{ config, global }:
-
-let
-  inherit (global)
-    lib
-    packages
-    ;
-in
 {
-  options.make = {
-    flags = lib.options.create {
-      description = "List of flags to pass to make.";
-      type = lib.types.list.of lib.types.string;
-      default.value = [ ];
-    };
-  };
-
-  config = {
-    deps.build.build = {
-      gnumake =
-        if (config.platform.build == "i686-linux") then
-          packages.foundation.gnumake.versions."4.4.1-bootstrap"
-        else
-          packages.foundation.gnumake.versions."4.4.1-stage1-passthrough";
-    };
-
-    phases =
-      let
-        makeFlags = builtins.concatStringsSep " " config.make.flags;
-      in
-      {
-        makeBuild = lib.dag.entry.before [ "build" ] ''
-          make -j $NIX_BUILD_CORES ${makeFlags}
-        '';
-        makeInstall = lib.dag.entry.before [ "install" ] ''
-          make -j $NIX_BUILD_CORES install ${makeFlags}
-        '';
+  config.capabilities.make =
+    { config, global, ... }:
+    let
+      inherit (global)
+        lib
+        packages
+        ;
+    in
+    {
+      options.make = {
+        flags = lib.options.create {
+          description = "List of flags to pass to make.";
+          type = lib.types.list.of lib.types.string;
+          default.value = [ ];
+        };
       };
-  };
+
+      config = {
+        deps.build.build = {
+          gnumake =
+            if (config.platform.build == "i686-linux") then
+              packages.foundation.gnumake.versions."4.4.1-bootstrap"
+            else
+              packages.foundation.gnumake.versions."4.4.1-stage1-passthrough";
+        };
+
+        phases =
+          let
+            makeFlags = builtins.concatStringsSep " " config.make.flags;
+          in
+          {
+            makeBuild = lib.dag.entry.before [ "build" ] ''
+              make -j $NIX_BUILD_CORES ${makeFlags}
+            '';
+            makeInstall = lib.dag.entry.before [ "install" ] ''
+              make -j $NIX_BUILD_CORES install ${makeFlags}
+            '';
+          };
+      };
+    };
 }

tidepool/src/packages/foundation/bash/versions/5.2.15-stage1.nix

@@ -3,6 +3,7 @@
 let
   inherit (global)
     lib
+    capabilities
     packages
     builders
     mirrors
@@ -17,7 +18,7 @@ let
 in
 {
   includes = [
-    ../../../../capabilities/make.nix
+    capabilities.make
   ];
 
   config = {