helix: rework

flake.nix

@@ -21,10 +21,9 @@
           inherit
             (import ./packages {
               inherit pkgs;
-              helix = inputs.helix.packages.${system}.default;
             })
             fish
-            wrapped-helix
+            helix
             kakoune
             ;
         }
@@ -32,7 +31,7 @@
       pkgsFor;
 
     apps = eachSystem (system: let
-      inherit (inputs.self.packages.${system}) fish wrapped-helix;
+      inherit (inputs.self.packages.${system}) fish helix;
     in {
       default = {
         type = "app";
@@ -40,7 +39,7 @@
       };
       helix = {
         type = "app";
-        program = "${wrapped-helix}/bin/hx";
+        program = "${helix}/bin/hx";
       };
     });
   };
@@ -71,8 +70,6 @@
       inputs.systems.follows = "systems";
     };
 
-    helix.url = "github:helix-editor/helix";
-
     quickshell = {
       url = "git+https://git.outfoxxed.me/outfoxxed/quickshell";
       # THIS IS IMPORTANT

hosts/common.nix

@@ -9,7 +9,7 @@
   ...
 }: let
   inherit (lib.meta) hiPrioSet;
-  inherit (self.packages.${pkgs.stdenv.system}) wrapped-helix fish;
+  inherit (self.packages.${pkgs.stdenv.system}) helix fish;
 in {
   environment.systemPackages =
     builtins.attrValues {
@@ -46,7 +46,7 @@ in {
         ;
     }
     ++ builtins.attrValues (hiPrioSet {
-      inherit wrapped-helix fish;
+      inherit helix fish;
     });
   # helix as the only editor, a reasonable choice.
   environment.sessionVariables.EDITOR = "hx";

packages/default.nix

@@ -1,10 +1,9 @@
-{
+{pkgs}: let
-  pkgs,
+  inherit (pkgs) lib;
-  helix,
+  wrapped-helix = pkgs.callPackage ./helix {};
-}: let
-  wrapped-helix = pkgs.callPackage ./helix {inherit helix;};
   kakoune = pkgs.callPackage ./kakoune.nix {};
-  fish = pkgs.callPackage ./shell {};
+  fish = pkgs.callPackage ./shell {inherit lib;};
 in {
-  inherit wrapped-helix kakoune fish;
+  inherit kakoune fish;
+  helix = wrapped-helix;
 }

packages/helix/default.nix

@@ -2,6 +2,8 @@
   symlinkJoin,
   makeWrapper,
   callPackage,
+  fetchzip,
+  rustPlatform,
   alejandra,
   basedpyright,
   bash-language-server,
@@ -21,7 +23,6 @@
   lazygit,
   lib,
   lldb_19,
-  nil,
   nixd,
   ruff,
   rust-analyzer,
@@ -40,6 +41,21 @@
 }: let
   inherit (lib.meta) getExe;
 
+  custom-helix = helix.overrideAttrs (_: rec {
+    version = "25.06.1";
+    src = fetchzip {
+      url = "https://github.com/bloxx12/helix/releases/download/${version}/helix-${version}-source.tar.xz";
+      hash = "sha256-941moaBUF+aGsbFapK1cp5+NFdecSfRCTdnVUtkDQps=";
+      stripRoot = false;
+    };
+
+    doInstallCheck = false;
+    cargoDeps = rustPlatform.fetchCargoVendor {
+      inherit (custom-helix) src;
+      hash = "sha256-w07ZV1tR3lzYz4N+hI9alvFp0AHCcsItPRhVt9Sluo8=";
+    };
+  });
+
   toml = formats.toml {};
 
   helix-languages = callPackage ./languages.nix {inherit lib;};
@@ -116,7 +132,7 @@
   wrapped-helix = symlinkJoin {
     name = "helix-wrapped";
     paths = [
-      helix
+      custom-helix
 
       # Bash
       bash-language-server
@@ -128,8 +144,7 @@
       lldb_19
       # Markdown
       taplo
-      # Nix
+
-      nil
       nixd
       rust-analyzer
       rustfmt

packages/helix/languages.nix

@@ -1,22 +1,25 @@
 {
+  fetchFromGitHub,
+  rustPlatform,
   alejandra,
   basedpyright,
   bash-language-server,
   clang-tools,
   cmake-format,
   cmake-language-server,
+  deadnix,
   deno,
   dprint,
   formats,
   gdb,
+  kdePackages,
   lib,
   nil,
   ruff,
   shfmt,
-  kdePackages,
+  simple-completion-language-server,
   typescript-language-server,
   vscode-langservers-extracted,
-  simple-completion-language-server,
   zls,
   ...
 }: let
@@ -24,6 +27,22 @@
 
   toml = formats.toml {};
 
+  # a newer nil version, for pipes support.
+  newer-nil = nil.overrideAttrs (_: {
+    version = "unstable-02-06-2025";
+
+    src = fetchFromGitHub {
+      owner = "oxalica";
+      repo = "nil";
+      rev = "577d160da311cc7f5042038456a0713e9863d09e";
+      hash = "sha256-ggXU3RHv6NgWw+vc+HO4/9n0GPufhTIUjVuLci8Za8c=";
+    };
+    cargoDeps = rustPlatform.fetchCargoVendor {
+      inherit (newer-nil) src;
+      hash = "sha256-uZsLlFU9GKLvFllF7Kf5Q7HfN26KQojf4rvOb9p7Rjs=";
+    };
+  });
+
   helix-languages = {
     language = let
       mark = lang: {
@@ -186,10 +205,13 @@
       };
 
       nil = {
-        command = getExe nil;
+        command = getExe newer-nil;
         # alejandro
         config.nil.formatting.command = ["${getExe alejandra}" "-q"];
       };
+      deadnix = {
+        command = getExe deadnix;
+      };
 
       scls = {
         command = getExe simple-completion-language-server;