feat: apply platform to deps inside submodules

tidepool/src/export.nix

@@ -23,7 +23,7 @@ in {
         # }))
         # .config;
         foundation-gcc = config.packages.foundation.gcc;
-        # foundation-binutils = config.packages.foundation.binutils;
+        foundation-binutils = config.packages.foundation.binutils;
         # foundation-linux-headers = config.packages.foundation.linux-headers.versions.latest.extend {
         #   platform.host = lib.modules.overrides.force "x86_64-linux";
         # };

tidepool/src/lib/packages.nix

@@ -13,6 +13,10 @@ in {
           );
         in
           builtins.map (dependency: dependency.package) available;
+
+        build = build': host': target':
+          builtins.mapAttrs
+          (name: dep: lib'.packages.build dep build' host' target');
       };
 
       getLatest = alias: let
@@ -34,7 +38,13 @@ in {
         buildDependencies = build': host': target':
           builtins.mapAttrs (name: dep: lib'.packages.build dep build' host' target');
 
-        result = lib.modules.run {
+        platform = {
+          build = lib.modules.overrides.force build;
+          host = lib.modules.overrides.force host;
+          target = lib.modules.overrides.force target;
+        };
+
+        withPlatform = lib.modules.run {
           modules =
             package.__modules__
             ++ [
@@ -44,11 +54,7 @@ in {
                   config = {
                     __modules__ = package.__modules__;
 
-                    platform = {
+                    inherit platform;
-                      build = lib.modules.overrides.force build;
-                      host = lib.modules.overrides.force host;
-                      target = lib.modules.overrides.force target;
-                    };
                   };
                 }
               )
@@ -58,33 +64,50 @@ in {
         # Not all platform information can be effectively handled via submodules. To handle
         # the case where a user copies the resolved config over we need to ensure that
         # dependencies are appropriately updated.
-        resolved =
+        withDeps =
-          result.config
+          withPlatform.config
           // {
             deps = {
               build = {
-                only = buildDependencies build build build package.deps.build.only;
+                only = buildDependencies build build build withPlatform.config.deps.build.only;
-                build = buildDependencies build build target package.deps.build.build;
+                build = buildDependencies build build target withPlatform.config.deps.build.build;
-                host = buildDependencies build host target package.deps.build.host;
+                host = buildDependencies build host target withPlatform.config.deps.build.host;
-                target = buildDependencies build target target package.deps.build.target;
+                target = buildDependencies build target target withPlatform.config.deps.build.target;
               };
               host = {
-                only = buildDependencies host host host package.deps.host.only;
+                only = buildDependencies host host host withPlatform.config.deps.host.only;
-                host = buildDependencies host host target package.deps.host.host;
+                host = buildDependencies host host target withPlatform.config.deps.host.host;
-                target = buildDependencies host target target package.deps.host.target;
+                target = buildDependencies host target target withPlatform.config.deps.host.target;
               };
               target = {
-                only = buildDependencies target target target package.deps.target.only;
+                only = buildDependencies target target target withPlatform.config.deps.target.only;
-                target = buildDependencies target target target package.deps.target.target;
+                target = buildDependencies target target target withPlatform.config.deps.target.target;
               };
             };
           };
 
-      in
+        withPackage = lib.modules.run {
-        resolved
+          modules =
-        // {
+            package.__modules__
-          package = resolved.builder.build resolved;
+            ++ [
+              lib'.types.package.children.submodule
+              (
+                {config}: {
+                  config = {
+                    __modules__ = package.__modules__;
+
+                    inherit platform;
+
+                    deps = lib.modules.overrides.force withDeps.deps;
+
+                    package = lib.modules.overrides.force (withDeps.builder.build withDeps);
                   };
+                }
+              )
+            ];
+        };
+      in
+        withPackage.config;
     };
   };
 }

tidepool/src/lib/types.nix

@@ -75,13 +75,17 @@ in {
       packages = lib.types.attrs.of (lib.types.attrs.of lib'.types.alias);
 
       dependencies = build: host: target: let
-        initial = lib.types.attrs.any;
+        initial = lib.types.raw;
 
         transform = value: let
           package = lib'.packages.resolve value;
         in
           (builtins.trace "building dependency ${package.name}: build=${build.triple} host=${host.triple} target=${target.triple}")
-          lib'.packages.build package build host target;
+          lib'.packages.build
+          package
+          build
+          host
+          target;
       in
         lib.types.attrs.of (lib.types.coerce initial transform lib'.types.package);
 
@@ -142,7 +146,79 @@ in {
         in
           result.config;
 
-        final = lib.types.attrs.any;
+        final = lib.types.raw;
+
+        deps = build: host: target:
+          lib.types.submodule {
+            options = {
+              build = {
+                only = lib.options.create {
+                  description = "Dependencies which are only used in the build environment.";
+                  type = lib'.types.dependencies build build build;
+                  default.value = {};
+                };
+
+                build = lib.options.create {
+                  description = "Dependencies which are created in the build environment and are executed in the build environment.";
+                  type = lib'.types.dependencies build build target;
+                  default.value = {};
+                };
+
+                host = lib.options.create {
+                  description = "Dependencies which are created in the build environment and are executed in the host environment.";
+                  type = lib'.types.dependencies build host target;
+                  default.value = {};
+                  # apply = value:
+                  # if value ? b then
+                  # (builtins.trace value.b.platform.build.triple)
+                  # (builtins.trace config.platform.build.triple)
+                  # value
+                  # else
+                  # value;
+                };
+
+                target = lib.options.create {
+                  description = "Dependencies which are created in the build environment and are executed in the target environment.";
+                  type = lib'.types.dependencies build target target;
+                  default.value = {};
+                };
+              };
+
+              host = {
+                only = lib.options.create {
+                  description = "Dependencies which are only used in the host environment.";
+                  type = lib'.types.dependencies host host host;
+                  default.value = {};
+                };
+
+                host = lib.options.create {
+                  description = "Dependencies which are executed in the host environment.";
+                  type = lib'.types.dependencies host host target;
+                  default.value = {};
+                };
+
+                target = lib.options.create {
+                  description = "Dependencies which are executed in the host environment which produces code for the target environment.";
+                  type = lib'.types.dependencies host target target;
+                  default.value = {};
+                };
+              };
+
+              target = {
+                only = lib.options.create {
+                  description = "Dependencies which are only used in the target environment.";
+                  type = lib'.types.dependencies target target target;
+                  default.value = {};
+                };
+
+                target = lib.options.create {
+                  description = "Dependencies which are executed in the target environment.";
+                  type = lib'.types.dependencies target target target;
+                  default.value = {};
+                };
+              };
+            };
+          };
 
         submodule = {config}: let
           build = config.platform.build;
@@ -278,64 +354,25 @@ in {
               default.value = config.builder.build config;
             };
 
-            deps = {
+            deps = lib.options.create {
+              description = "The dependencies for the package.";
+              type = deps build host target;
+              default.value = {};
+              apply = value: {
                 build = {
-                only = lib.options.create {
+                  only = lib'.packages.dependencies.build build build build value.build.only;
-                  description = "Dependencies which are only used in the build environment.";
+                  build = lib'.packages.dependencies.build build build target value.build.build;
-                  type = lib'.types.dependencies build build build;
+                  host = lib'.packages.dependencies.build build host target value.build.host;
-                  default.value = {};
+                  target = lib'.packages.dependencies.build build target target value.build.target;
                 };
-
-                build = lib.options.create {
-                  description = "Dependencies which are created in the build environment and are executed in the build environment.";
-                  type = lib'.types.dependencies build build target;
-                  default.value = {};
-                };
-
-                host = lib.options.create {
-                  description = "Dependencies which are created in the build environment and are executed in the host environment.";
-                  type = lib'.types.dependencies build host target;
-                  default.value = {};
-                };
-
-                target = lib.options.create {
-                  description = "Dependencies which are created in the build environment and are executed in the target environment.";
-                  type = lib'.types.dependencies build target target;
-                  default.value = {};
-                };
-              };
-
                 host = {
-                only = lib.options.create {
+                  only = lib'.packages.dependencies.build host host host value.host.only;
-                  description = "Dependencies which are only used in the host environment.";
+                  host = lib'.packages.dependencies.build host host target value.host.host;
-                  type = lib'.types.dependencies host host host;
+                  target = lib'.packages.dependencies.build host target target value.host.target;
-                  default.value = {};
                 };
-
-                host = lib.options.create {
-                  description = "Dependencies which are executed in the host environment.";
-                  type = lib'.types.dependencies host host target;
-                  default.value = {};
-                };
-
-                target = lib.options.create {
-                  description = "Dependencies which are executed in the host environment which produces code for the target environment.";
-                  type = lib'.types.dependencies host target target;
-                  default.value = {};
-                };
-              };
-
                 target = {
-                only = lib.options.create {
+                  only = lib'.packages.dependencies.build target target target value.target.only;
-                  description = "Dependencies which are only used in the target environment.";
+                  target = lib'.packages.dependencies.build target target target value.target.target;
-                  type = lib'.types.dependencies target target target;
-                  default.value = {};
-                };
-
-                target = lib.options.create {
-                  description = "Dependencies which are executed in the target environment.";
-                  type = lib'.types.dependencies target target target;
-                  default.value = {};
                 };
               };
             };

tidepool/src/packages/aux/a.nix

@@ -25,7 +25,7 @@ in {
 
           phases = {
             install = ''
-              echo "a" > $out
+              echo "a with b: ${config.deps.build.host.b.package.system}" > $out
             '';
           };
         };

tidepool/src/packages/foundation/binutils/default.nix

@@ -34,13 +34,13 @@ in {
 
           builder = builders.basic;
 
-          # deps = {
+          deps = {
-          #   build = {
+            build = {
-          #     host = {
+              host = {
-          #       inherit (packages.foundation) gcc;
+                inherit (packages.foundation) gcc;
-          #     };
+              };
-          #   };
+            };
-          # };
+          };
 
           env = {
             PATH = lib.paths.bin [

tidepool/src/packages/foundation/default.nix

@@ -3,12 +3,13 @@
   lib',
   config,
   options,
-}:
+}: {
-{
   includes = [
     ./gcc
     ./binutils
     ./linux-headers
+    ./glibc
+    # ./xz
   ];
 
   config = {