nil: init at unstable-2022-09-10

pkgs/development/tools/nil/default.nix

@@ -0,0 +1,28 @@
+{ lib, rustPlatform, fetchFromGitHub }:
+
+let
+  date = "2022-09-10";
+in
+
+rustPlatform.buildRustPackage rec {
+  pname = "nil";
+  version = "unstable-${date}";
+
+  src = fetchFromGitHub {
+    owner = "oxalica";
+    repo = pname;
+    rev = date;
+    sha256 = "sha256-yqg46An5TPl6wsv5xflK4T90fTho4KXIILoV71jSl28=";
+  };
+
+  cargoSha256 = "sha256-MabVHbNGWpeUztwedXRXHBfgEostxk0aWpGCHlpnhJo=";
+
+  CFG_DATE = date;
+
+  meta = with lib; {
+    description = "A language server for Nix Expression Language";
+    homepage = "https://github.com/oxalica/nil";
+    license = with licenses; [ mit asl20 ];
+    maintainers = with maintainers; [ figsoda oxalica ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -16748,6 +16748,8 @@ with pkgs;
 
   nailgun = callPackage ../development/tools/nailgun { };
 
+  nil = callPackage ../development/tools/nil { };
+
   ninja = callPackage ../development/tools/build-managers/ninja { };
 
   nimbo = with python3Packages; callPackage ../applications/misc/nimbo { };