vscode-extensions.rust-analyzer: init at unstable-2020-03-09

pkgs/development/tools/rust/rust-analyzer/update.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -p curl jq nix-prefetch-github
+#!nix-shell -i bash -p curl jq nix-prefetch-github nodePackages.node2nix
 set -euo pipefail
 cd "$(dirname "$0")"
 owner=rust-analyzer
@@ -37,3 +37,26 @@ echo "cargoSha256: $cargo_sha256"
 sed "s/cargoSha256 = \".*\"/cargoSha256 = \"$cargo_sha256\"/" \
     --in-place ./default.nix
 
+# Update vscode extension
+
+echo "Generating node lock"
+node_src="$(nix-build "$nixpkgs" -A rust-analyzer.src --no-out-link)/editors/code"
+pushd "$nixpkgs/pkgs/misc/vscode-extensions/rust-analyzer"
+ext_version=$(jq '.version' "$node_src/package.json" --raw-output)
+ext_publisher=$(jq '.publisher' "$node_src/package.json" --raw-output)
+echo "Extension version: $ext_version"
+[[ "$ext_publisher" == "matklad" ]]
+node2nix \
+    --nodejs-12 \
+    --development \
+    --input "$node_src/package.json" \
+    --lock "$node_src/package-lock.json" \
+    --output ./node-packages.nix \
+    --composition ./node-composition.nix \
+    --no-copy-node-env \
+    --node-env ../../../development/node-packages/node-env.nix
+sed -e 's_^.*src = [./]*/nix/store.*__g' \
+    --in-place ./node-packages.nix
+sed -e "s/version = \".*\"/version = \"$ext_version\"/" \
+    --in-place ./default.nix
+popd

pkgs/misc/vscode-extensions/default.nix

@@ -140,6 +140,8 @@ in
     };
   };
 
+  matklad.rust-analyzer = callPackage ./rust-analyzer {};
+
   scala-lang.scala = buildVscodeMarketplaceExtension {
     mktplcRef = {
       name = "scala";

pkgs/misc/vscode-extensions/rust-analyzer/default.nix

@@ -0,0 +1,50 @@
+# Update script: pkgs/development/tools/rust/rust-analyzer/update.sh
+{ lib, pkgs, stdenv, nodejs, vscode-utils, jq, rust-analyzer
+, setDefaultRaLspServerPath ? true
+}:
+
+let
+  pname = "rust-analyzer";
+  publisher = "matklad";
+
+  # Follow the unstable version of rust-analyzer, since the extension is not stable yet.
+  inherit (rust-analyzer) version;
+
+  vsix = (import ./node-composition.nix {
+    inherit pkgs nodejs;
+    inherit (stdenv.hostPlatform) system;
+  }).package.override {
+    src = "${rust-analyzer.src}/editors/code";
+    outputs = [ "vsix" "out" ];
+
+    postInstall = ''
+      npm run package
+      mkdir $vsix
+      cp ${pname}.vsix $vsix/${pname}.zip
+    '';
+  };
+
+in vscode-utils.buildVscodeExtension {
+  inherit version vsix;
+  name = "${pname}-${version}";
+  src = "${vsix}/${pname}.zip";
+  vscodeExtUniqueId = "${publisher}.${pname}";
+
+  nativeBuildInputs = lib.optional setDefaultRaLspServerPath jq;
+
+  postFixup = lib.optionalString setDefaultRaLspServerPath ''
+    package_json="$out/share/vscode/extensions/${publisher}.${pname}/package.json"
+    jq '.contributes.configuration.properties."rust-analyzer.serverPath".default = $s' \
+      --arg s "${rust-analyzer}/bin/rust-analyzer" \
+      $package_json >$package_json.new
+    mv $package_json.new $package_json
+  '';
+
+  meta = with lib; {
+    description = "An alternative rust language server to the RLS";
+    homepage = "https://github.com/rust-analyzer/rust-analyzer";
+    license = with licenses; [ mit asl20 ];
+    maintainers = with maintainers; [ oxalica ];
+    platforms = platforms.all;
+  };
+}

pkgs/misc/vscode-extensions/rust-analyzer/node-composition.nix

@@ -0,0 +1,17 @@
+# This file has been generated by node2nix 1.7.0. Do not edit!
+
+{pkgs ? import <nixpkgs> {
+    inherit system;
+  }, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-12_x"}:
+
+let
+  nodeEnv = import ../../../development/node-packages/node-env.nix {
+    inherit (pkgs) stdenv python2 utillinux runCommand writeTextFile;
+    inherit nodejs;
+    libtool = if pkgs.stdenv.isDarwin then pkgs.darwin.cctools else null;
+  };
+in
+import ./node-packages.nix {
+  inherit (pkgs) fetchurl fetchgit;
+  inherit nodeEnv;
+}