From ea200d834e613571acc051cd0c9e29d8ca4006f3 Mon Sep 17 00:00:00 2001
From: Jake Hamilton <jake.hamilton@hey.com>
Date: Mon, 8 Jul 2024 23:18:11 -0700
Subject: [PATCH] feat: pass through package dependencies via context

---
 tidepool/src/builders/basic.nix |  2 +-
 tidepool/src/lib/packages.nix   | 81 +++++++++++++++++++++------------
 2 files changed, 53 insertions(+), 30 deletions(-)

diff --git a/tidepool/src/builders/basic.nix b/tidepool/src/builders/basic.nix
index aeedd97..0f8b3c2 100644
--- a/tidepool/src/builders/basic.nix
+++ b/tidepool/src/builders/basic.nix
@@ -110,7 +110,7 @@ in
         // {
           inherit (package) meta;
           extras = {
-            inherit package;
+            inherit package context;
             phases = builtins.listToAttrs sorted.result;
           } // package.extras;
         };
diff --git a/tidepool/src/lib/packages.nix b/tidepool/src/lib/packages.nix
index bfa4648..ccd43a0 100644
--- a/tidepool/src/lib/packages.nix
+++ b/tidepool/src/lib/packages.nix
@@ -89,39 +89,62 @@ in
               let
                 dependencies = lib.attrs.selectOrThrow path collected;
                 contexts = builtins.map (dependency: dependency.context or { }) dependencies;
-                base = ctx // {
-                  target = builtins.concatStringsSep "." path;
-                };
                 result = lib.modules.run {
-                  modules = builtins.map
-                    (context: { config }: {
-                      config = context;
-                    })
-                    contexts
-                  ++ [
-                    {
-                      freeform = lib.types.any;
+                  modules =
+                    builtins.map
+                      (context: { config = context; })
+                      contexts
+                    ++ [
+                      {
+                        freeform = lib.types.any;
 
-                      options = config.packages.context.options // {
-                        target = lib.options.create {
-                          description = "The dependency target that is being generated.";
-                          type = lib.types.enum [
-                            "build.only"
-                            "build.build"
-                            "build.host"
-                            "build.target"
-                            "host.only"
-                            "host.host"
-                            "host.target"
-                            "target.only"
-                            "target.target"
-                          ];
+                        options = config.packages.context.options // {
+                          target = lib.options.create {
+                            description = "The dependency target that is being generated.";
+                            type = lib.types.enum [
+                              "build.only"
+                              "build.build"
+                              "build.host"
+                              "build.target"
+                              "host.only"
+                              "host.host"
+                              "host.target"
+                              "target.only"
+                              "target.target"
+                            ];
+                            writable = false;
+                            default.value = builtins.concatStringsSep "." path;
+                          };
+
+                          deps = lib.options.create {
+                            description = "The collected dependencies.";
+                            writable = false;
+                            default.value = collected;
+                            type = lib.types.submodule {
+                              options = {
+                                build = {
+                                  only = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                  build = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                  host = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                  target = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                };
+                                host = {
+                                  only = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                  host = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                  target = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                };
+                                target = {
+                                  only = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                  target = lib.options.create { type = lib.types.list.of lib'.types.package; };
+                                };
+                              };
+                            };
+                          };
                         };
-                      };
 
-                      config = base;
-                    }
-                  ];
+                        config = ctx;
+                      }
+                    ];
                 };
               in
               result.config;