feat: extract homepage and description metadata in nodejs and rust

src/subsystems/nodejs/builders/granular/default.nix

@@ -216,8 +216,12 @@
 
         inherit pname;
 
-        meta = {
+        meta = let
-          licenses = l.map (name: l.licenses.${name}) subsystemAttrs.licenses;
+          meta = subsystemAttrs.meta;
+        in
+          meta
+          // {
+            licenses = l.map (name: l.licenses.${name}) meta.licenses;
           };
 
         passthru.dependencies = passthruDeps;

src/subsystems/nodejs/translators/package-lock/default.nix

@@ -5,7 +5,7 @@
 }: let
   b = builtins;
   l = lib // builtins;
-  nodejsUtils = import ../utils.nix {inherit lib;};
+  nodejsUtils = import ../utils.nix {inherit dlib lib;};
 
   getPackageLock = tree: project:
     nodejsUtils.getWorkspaceLockFile tree project "package-lock.json";
@@ -172,7 +172,7 @@
 
       subsystemAttrs = {
         nodejsVersion = b.toString args.nodejs;
-        licenses = dlib.parseSpdxId (packageJson.license or "");
+        meta = nodejsUtils.getMetaFromPackageJson packageJson;
       };
 
       # functions

src/subsystems/nodejs/translators/utils.nix

@@ -1,6 +1,17 @@
-{lib}: let
+{
+  lib,
+  dlib,
+}: let
   l = lib // builtins;
 in rec {
+  getMetaFromPackageJson = packageJson:
+    {licenses = dlib.parseSpdxId (packageJson.license or "");}
+    // (
+      l.filterAttrs
+      (n: v: l.any (on: n == on) ["description" "homepage"])
+      packageJson
+    );
+
   getPackageJsonDeps = packageJson: noDev:
     (packageJson.dependencies or {})
     // (lib.optionalAttrs (! noDev) (packageJson.devDependencies or {}));

src/subsystems/nodejs/translators/yarn-lock/default.nix

@@ -4,7 +4,7 @@
   ...
 }: let
   l = lib // builtins;
-  nodejsUtils = import ../utils.nix {inherit lib;};
+  nodejsUtils = import ../utils.nix {inherit dlib lib;};
   parser = import ./parser.nix {inherit lib;};
 
   getYarnLock = tree: project:
@@ -142,7 +142,7 @@
 
       subsystemAttrs = {
         nodejsVersion = b.toString args.nodejs;
-        licenses = dlib.parseSpdxId (packageJson.license or "");
+        meta = nodejsUtils.getMetaFromPackageJson packageJson;
       };
 
       keys = {

src/subsystems/rust/builders/build-rust-package/default.nix

@@ -42,6 +42,8 @@
       produceDerivation pname (buildWithToolchain defaultToolchain {
         inherit pname version src;
 
+        meta = utils.getMeta pname version;
+
         cargoBuildFlags = cargoBuildFlags;
         cargoTestFlags = cargoBuildFlags;
 
@@ -61,13 +63,6 @@
           ${replacePaths}
           ${utils.writeCargoLock}
         '';
-
-        meta = {
-          licenses =
-            l.map
-            (name: l.licenses.${name})
-            subsystemAttrs.licenses.${pname}.${version};
-        };
       });
 
     mkShellForPkg = pkg:

src/subsystems/rust/builders/crane/default.nix

@@ -99,6 +99,7 @@
       buildArgs =
         common
         // {
+          meta = utils.getMeta pname version;
           cargoArtifacts = deps;
           # link the vendor dir we used earlier to the correct place
           preUnpack = ''
@@ -112,12 +113,6 @@
             ${utils.writeCargoLock}
           '';
           passthru = {dependencies = deps;};
-          meta = {
-            licenses =
-              l.map
-              (name: l.licenses.${name})
-              subsystemAttrs.licenses.${pname}.${version};
-          };
         };
     in
       produceDerivation

src/subsystems/rust/builders/utils.nix

@@ -13,6 +13,14 @@
 }: let
   l = lib // builtins;
 in rec {
+  getMeta = pname: version: let
+    meta = subsystemAttrs.meta.${pname}.${version};
+  in
+    meta
+    // {
+      licenses = l.map (name: l.licenses.${name}) meta.licenses;
+    };
+
   # Gets the root source for a package
   getRootSource = pname: version: let
     root = getRoot pname version;

src/subsystems/rust/translators/cargo-lock/default.nix

@@ -251,13 +251,20 @@ in {
           gitDeps = l.filter (dep: (getSourceTypeFrom dep) == "git") parsedDeps;
         in
           l.unique (l.map (dep: parseGitSource dep) gitDeps);
-        licenses = l.foldl' l.recursiveUpdate {} (
+        meta = l.foldl' l.recursiveUpdate {} (
           l.map
           (
             package: let
               pkg = package.value.package;
-              licenses = dlib.parseSpdxId (pkg.license or "");
+            in {
-            in {${pkg.name}.${pkg.version} = licenses;}
+              ${pkg.name}.${pkg.version} =
+                {licenses = dlib.parseSpdxId (pkg.license or "");}
+                // (
+                  l.filterAttrs
+                  (n: v: l.any (on: n == on) ["description" "homepage"])
+                  pkg
+                );
+            }
           )
           cargoPackages
         );