Rust Prelude runtime library

extras/build.nix

@@ -9,6 +9,7 @@
       overlayAttrs = {
         extras = {
           purescriptFlake = import ./flake-purescript.nix pkgs;
+          rustFlake = import ./flake-rust.nix pkgs;
           haskellData = import ./haskell-data.nix pkgs;
         };
       };

extras/flake-rust.nix

@@ -0,0 +1,76 @@
+pkgs:
+
+{ crane, src, system, crateName, extraSources ? [ ], extraSourcesDir ? ".extras", data ? [ ], dataDir ? "data" }:
+let
+  rustWithTools = pkgs.rust-bin.stable.latest.default.override {
+    extensions = [ "rustfmt" "rust-analyzer" "clippy" ];
+  };
+  craneLib = crane.lib.${system}.overrideToolchain rustWithTools;
+
+  # Library source code with extra dependencies attached
+  fullSrc = pkgs.stdenv.mkDerivation {
+    src = craneLib.cleanCargoSource (craneLib.path src);
+    name = "lbf-rust-build-env";
+    unpackPhase = ''
+      mkdir $out
+      cp -r $src/* $out
+      cd $out
+      ${copyExtraSources}
+      ${copyData} 
+    '';
+  };
+  commonArgs = {
+    src = fullSrc;
+    pname = crateName;
+    strictDeps = true;
+  };
+  cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+
+  # Extra sources
+  extra-sources = pkgs.linkFarm "extra-sources" extraSources;
+  hasExtraSources = builtins.length extraSources > 0;
+  linkExtraSources = pkgs.lib.optionalString hasExtraSources ''
+    echo "Linking extra sources"
+    if [ -e ./${extraSourcesDir} ]; then rm ./${extraSourcesDir}; fi
+    ln -s ${extra-sources} ./${extraSourcesDir}
+  '';
+  copyExtraSources = pkgs.lib.optionalString hasExtraSources ''
+    echo "Copying extra sources"
+    cp -Lr ${extra-sources} ./${extraSourcesDir}
+  '';
+
+  # Data
+  data-drv = pkgs.linkFarm "data" data;
+  hasData = builtins.length data > 0;
+  linkData = pkgs.lib.optionalString hasData ''
+    echo "Linking data"
+    if [ -e ./${dataDir} ]; then rm ./${dataDir}; fi
+    ln -s ${data-drv} ./${dataDir}
+  '';
+  copyData = pkgs.lib.optionalString hasData ''
+    echo "Copying data"
+    cp -Lr ${data-drv} ./${dataDir}
+  '';
+in
+{
+  devShells."dev-${crateName}-rust" = craneLib.devShell {
+    shellHook = ''
+      ${linkExtraSources}
+      ${linkData}
+    '';
+  };
+
+  packages."${crateName}-rust" = craneLib.buildPackage (commonArgs // {
+    inherit cargoArtifacts;
+    doCheck = false;
+    doInstallCargoArtifacts = true;
+  });
+
+  checks."${crateName}-rust-test" = craneLib.cargoNextest (commonArgs // {
+    inherit cargoArtifacts;
+  });
+
+  checks."${crateName}-rust-clippy" = craneLib.cargoClippy (commonArgs // {
+    inherit cargoArtifacts;
+  });
+}

flake.nix

@@ -39,6 +39,7 @@
         ./runtimes/purescript/lbr-prelude/build.nix
         ./runtimes/purescript/lbr-plutus/build.nix
         ./runtimes/rust/lbr-prelude/build.nix
+        ./runtimes/rust/lbr-prelude-derive/build.nix
         ./testsuites/lbt-prelude/api/build.nix
         ./testsuites/lbt-prelude/golden/build.nix
         ./testsuites/lbt-prelude/lbt-prelude-haskell/build.nix

runtimes/rust/lbr-prelude-derive/.envrc

@@ -0,0 +1,2 @@
+nix_direnv_watch_file ./build.nix
+use flake ../../..#dev-lbr-prelude-derive-rust

runtimes/rust/lbr-prelude-derive/.gitignore

@@ -0,0 +1,4 @@
+/target
+/proptest-regressions
+/.extras
+/data