feat: add helix language configuration

flake.lock

@@ -18,7 +18,42 @@
         "type": "github"
       }
     },
+    "helix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1784219418,
+        "narHash": "sha256-yfNBfV6HWAQU/xZXwrFoedsSYsDmCDIlTHRxAZI6teY=",
+        "owner": "helix-editor",
+        "repo": "helix",
+        "rev": "f6f3eb1fe4a73933466f30175843059a4381a985",
+        "type": "github"
+      },
+      "original": {
+        "owner": "helix-editor",
+        "repo": "helix",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
+      "locked": {
+        "lastModified": 1775036866,
+        "narHash": "sha256-ZojAnPuCdy657PbTq5V0Y+AHKhZAIwSIT2cb8UgAz/U=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "6201e203d09599479a3b3450ed24fa81537ebc4e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
       "locked": {
         "lastModified": 1784120854,
         "narHash": "sha256-KesHgItiZPgGX740axSiQLcIQ8D24MDqNpkKYWIek8k=",
@@ -37,7 +72,29 @@
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "helix": "helix",
+        "nixpkgs": "nixpkgs_2"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "helix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1775358767,
+        "narHash": "sha256-f2eC+WIfhjevCPQILuV08i/kmKZzYZpUvkom/33VxCA=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "20fd44bc663daa53a2575e01293e24e681d62244",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
       }
     },
     "systems": {

flake.nix

@@ -2,6 +2,7 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+    helix.url = "github:helix-editor/helix";
   };
 
   outputs =
@@ -9,6 +10,7 @@
       self,
       nixpkgs,
       flake-utils,
+      helix,
       ...
     }:
     flake-utils.lib.eachDefaultSystem (
@@ -19,6 +21,31 @@
         };
       in
       rec {
+        packages.syntax =
+          let
+            grammars = pkgs.callPackage "${helix}/grammars.nix" { };
+          in
+          pkgs.stdenv.mkDerivation {
+            name = "syntax";
+            phases = [
+              "buildPhase"
+              "installPhase"
+            ];
+            buildPhase = ''
+              cp -r ${helix}/runtime/queries/* ./
+              chmod u+w ./* -R
+              for so in ${grammars}/*.so; do
+                name=$(basename "$so" .so)
+                if [ -d "./$name" ]; then
+                  cp "$so" "./$name/$name.so"
+                fi
+              done
+            '';
+            installPhase = ''
+              mkdir -p $out
+              cp -r ./* $out/
+            '';
+          };
         packages.karnaugh = pkgs.rustPlatform.buildRustPackage (final: {
           pname = "karnaugh";
           version = "0.1.5";