feat: another Rust jsonnet implementation appears!

Ref: google/jsonnet#1156

README.adoc

@@ -69,6 +69,7 @@ There already are multiple implementations of this standard implemented in diffe
 * https://github.com/google/jsonnet[C++];
 * https://github.com/google/go-jsonnet/[Go];
 * https://github.com/databricks/sjsonnet[Scala].
+* [NEW] https://github.com/eduardosm/rsjsonnet[Another Rust impl appears].
 
 This implementation shows performance better than all existing implementations.
 For more information see link:./docs/benchmarks.md[benchmarks]

flake.nix

@@ -39,6 +39,7 @@
           jsonnet = pkgs.callPackage ./nix/jsonnet.nix {};
           # I didn't managed to build it, and nixpkgs version is marked as broken
           # haskell-jsonnet = pkgs.callPackage ./nix/haskell-jsonnet.nix { };
+          rsjsonnet = pkgs.callPackage ./nix/rsjsonnet.nix {};
 
           jrsonnet = pkgs.callPackage ./nix/jrsonnet.nix {
             inherit craneLib;
@@ -60,7 +61,7 @@
           };
 
           benchmarks = pkgs.callPackage ./nix/benchmarks.nix {
-            inherit go-jsonnet sjsonnet jsonnet;
+            inherit go-jsonnet sjsonnet jsonnet rsjsonnet;
             jrsonnetVariants = [
               {
                 drv = jrsonnet.override {forBenchmarks = true;};
@@ -69,7 +70,7 @@
             ];
           };
           benchmarks-quick = pkgs.callPackage ./nix/benchmarks.nix {
-            inherit go-jsonnet sjsonnet jsonnet;
+            inherit go-jsonnet sjsonnet jsonnet rsjsonnet;
             quick = true;
             jrsonnetVariants = [
               {
@@ -79,7 +80,7 @@
             ];
           };
           benchmarks-against-release = pkgs.callPackage ./nix/benchmarks.nix {
-            inherit go-jsonnet sjsonnet jsonnet;
+            inherit go-jsonnet sjsonnet jsonnet rsjsonnet;
             jrsonnetVariants = [
               {
                 drv = jrsonnet.override {forBenchmarks = true;};
@@ -96,7 +97,7 @@
             ];
           };
           benchmarks-quick-against-release = pkgs.callPackage ./nix/benchmarks.nix {
-            inherit go-jsonnet sjsonnet jsonnet;
+            inherit go-jsonnet sjsonnet jsonnet rsjsonnet;
             quick = true;
             jrsonnetVariants = [
               {

nix/benchmarks.nix

@@ -7,6 +7,7 @@
 , go-jsonnet
 , sjsonnet
 , jsonnet
+, rsjsonnet
 , hyperfine
 , quick ? false
 , jrsonnetVariants
@@ -114,6 +115,7 @@ stdenv.mkDerivation {
           ${concatStringsSep " " (forEach jrsonnetVariants (variant:
             "\"${variant.drv}/bin/jrsonnet $path ${optionalString (vendor != "") "-J${vendor}"}\" -n \"Rust${if variant.name != "" then " (${variant.name})" else ""}\""
           ))} \
+          "rsjsonnet $path ${optionalString (vendor != "") "-J ${vendor}"}" -n "Rust (alternative, rsjsonnet)"
           ${optionalString (skipGo == "") "\"go-jsonnet $path ${optionalString (vendor != "") "-J ${vendor}"}\" -n \"Go\""} \
           ${optionalString (skipScala == "") "\"sjsonnet $path ${optionalString (vendor != "") "-J ${vendor}"}\" -n \"Scala\""} \
           ${optionalString (skipCpp == "") "\"jsonnet $path ${optionalString (vendor != "") "-J ${vendor}"}\" -n \"C++\""}

nix/rsjsonnet.nix

@@ -0,0 +1,18 @@
+{
+  fetchFromGitHub,
+  rustPlatform,
+  lib,
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "rsjsonnet";
+  version = "0.1.1";
+
+  src = fetchFromGitHub {
+    owner = "eduardosm";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-C6hZYGllKrKKMwMwss6PK2UD5Zb7bk2v8DrGpWnwP/A=";
+  };
+
+  cargoHash = "sha256-TsUN9oUu6S1l9oTaR6nET1ZdRvMrR29bkP3VEDre8aE=";
+}