feat(rust-crane): get rid of depsDrvOptions and use mkDerivation as a submodule instead

examples/dream2nix-packages-rust/ripgrep/default.nix

@@ -27,7 +27,7 @@ in {
       sha256 = "sha256-udEh+Re2PeO3DnX4fQThsaT1Y3MBHFfrX5Q5EN2XrF0=";
     };
     # note: any more options defined here will be applied to both
-    # `rust-crane.mainDrvOptions` and `rust-crane.depsDrvOptions`.
+    # `config.mkDerivation` and `config.depsDrv.mkDerivation`.
   };
 
   rust-crane = {

modules/drv-parts/rust-crane/default.nix

@@ -165,6 +165,7 @@
     # we pass cargoLock path to buildDepsOnly
     # so that crane's mkDummySrc adds it to the dummy source
     inherit (utils) cargoLock;
+    pname = l.mkOverride 99 pname;
     pnameSuffix = depsNameSuffix;
     # Make sure cargo only checks the package we want
     cargoCheckCommand = "cargo check \${cargoBuildFlags:-} --profile \${cargoBuildProfile} --package ${pname}";
@@ -183,26 +184,30 @@
       ${common.preConfigure}
       ${utils.writeCargoLock}
     '';
-    cargoArtifacts = packageDeps;
+    cargoArtifacts = cfg.depsDrv.public;
   };
-
-  packageDeps = crane.buildDepsOnly cfg.depsDrvOptions;
 in {
   imports = [
     ./interface.nix
     dream2nix.modules.drv-parts.mkDerivation
   ];
 
-  rust-crane.depsDrvOptions = l.mkMerge [
+  rust-crane.depsDrv = {
+    inherit version;
+    name = pname + depsNameSuffix;
+    mkDerivation = builtins.removeAttrs config.mkDerivation ["src"];
+    package-func.func = crane.buildDepsOnly;
+    package-func.args = l.mkMerge [
       common
       depsArgs
     ];
+  };
 
   package-func.func = crane.buildPackage;
   package-func.args = l.mkMerge [common buildArgs];
 
   public = {
-    dependencies = packageDeps;
+    dependencies = cfg.depsDrv.public;
     meta = utils.getMeta pname version;
   };
 

modules/drv-parts/rust-crane/interface.nix

@@ -1,6 +1,7 @@
 {
-  config,
   lib,
+  dream2nix,
+  specialArgs,
   ...
 }: let
   l = lib // builtins;
@@ -53,12 +54,12 @@ in {
       description = "Flags to add when running `cargo test`";
       default = [];
     };
-    # TODO: use mkDerivation module interface here
-    depsDrvOptions = {
-      type = t.submodule {
-        freeformType = t.attrsOf t.raw;
+    depsDrv = {
+      type = t.submoduleWith {
+        modules = [dream2nix.modules.drv-parts.mkDerivation];
+        inherit specialArgs;
       };
-      description = "Attributes to pass to the buildDepsOnly function";
+      description = "A single derivation with all dependencies of the package";
       default = {};
     };
   };