fix helix donnot have fish completions

pkgs/helix.nix

@@ -4,40 +4,45 @@
   inputs,
   ...
 }:
-pkgs.runCommand "helix-wrapped"
+let
-  {
+  helix = inputs.helix.packages."${pkgs.system}".default;
-    buildInputs = [ pkgs.makeWrapper ];
+  runtimeInputs = (
-  }
+    with pkgs;
-  ''
+    [
-    mkdir -p $out/bin
+      rustfmt
-    makeWrapper "${lib.getExe inputs.helix.packages."${pkgs.system}".default}" $out/bin/hx \
+      clang-tools
-    --suffix PATH : ${
+      libxml2
-      lib.makeBinPath (
+      typstyle
-        with pkgs;
+      pyright
-        [
+      ruff
-          rustfmt
+      gotools
-          clang-tools
+      yaml-language-server
-          libxml2
+      taplo
-          typstyle
+      markdown-oxide
-          pyright
+      nixd
-          ruff
+      deno
-          gotools
+      nixfmt-rfc-style
-          yaml-language-server
+      vscode-langservers-extracted
-          taplo
+      fish-lsp
-          markdown-oxide
+      gopls
-          nixd
+      golangci-lint-langserver
-          deno
+      tinymist
-          nixfmt-rfc-style
+      delve
-          vscode-langservers-extracted
+      lldb
-          fish-lsp
+      rust-analyzer
-          gopls
+      nil
-          golangci-lint-langserver
+    ]
-          tinymist
+  );
-          delve
+in
-          lldb
+pkgs.symlinkJoin {
-          rust-analyzer
+  name = "helix-wrapped";
-          nil
+  paths = [ helix ];
-        ]
+  inherit (helix) meta;
-      )
+  buildInputs = [
-    }
+    pkgs.makeWrapper
-  ''
+  ];
+  postBuild = ''
+    wrapProgram $out/bin/hx \
+    --suffix PATH : ${lib.makeBinPath runtimeInputs}
+  '';
+}