home: add helix editor

flake.nix

@@ -32,6 +32,9 @@
     agenix.url = "github:ryantm/agenix";
     agenix.inputs.nixpkgs.follows = "nixpkgs";
 
+    helix.url = "github:helix-editor/helix";
+    helix.inputs.nixpkgs.follows = "nixpkgs";
+
     kernel-clr = { url = "github:clearlinux-pkgs/linux"; flake = false; };
   };
   outputs = { self, nixpkgs, home-manager, nixos-hardware, ... }@inputs:

users/max/home.nix

@@ -64,6 +64,7 @@ in
   # general program config
   imports = [
     ./home/bat.nix
+    ./home/editor
     ./home/fzf.nix
     ./home/lsd.nix
     ./home/git.nix

users/max/home/editor/default.nix

@@ -0,0 +1,35 @@
+{ inputs, lib, pkgs, ... }:
+let
+  hx = {
+    config = {
+      theme = "custom";
+      editor = {
+        line-number = "relative";
+        cursor-shape = {
+          insert = "bar";
+          normal = "block";
+          select = "underline";
+        };
+      };
+    };
+    languages = import ./languages.nix pkgs;
+    theme = import ./theme.nix;
+  };
+
+  mkTOML = name: value: let
+    json = pkgs.writeText "helix-${name}.json" (builtins.toJSON value);
+  in pkgs.runCommandNoCC "helix-${name}.toml" {} "${pkgs.remarshal}/bin/remarshal --if json --of toml -i ${json} -o $out";
+
+in {
+  home.packages = [
+    inputs.helix.defaultPackage.${pkgs.system}
+  ];
+
+  xdg.configFile = {
+    "helix/config.toml".source = mkTOML "config" hx.config;
+    "helix/languages.toml".source = mkTOML "languages" hx.languages;
+    "helix/themes/custom.toml".source = mkTOML "theme" hx.theme;
+  };
+
+  home.shellAliases.vim = "hx";
+}

users/max/home/editor/languages.nix

@@ -0,0 +1,32 @@
+pkgs: {
+  language = with pkgs; [
+    {
+      language-server = {command = "${rust-analyzer}/bin/rust-analyer";};
+      name = "rust";
+    }
+    {
+      language-server = {command = "${clang-tools}/bin/clangd";};
+      name = "c";
+    }
+    {
+      language-server = {command = "${clang-tools}/bin/clangd";};
+      name = "cpp";
+    }
+    {
+      language-server = {command = "${gopls}/bin/gopls";};
+      name = "go";
+    }
+    {
+      language-server = {command = "${python39Packages.python-lsp-server}/bin/pylsp";};
+      name = "python";
+    }
+    {
+      language-server = {command = "${rnix-lsp}/bin/rnix-lsp";};
+      name = "nix";
+    }
+    {
+      language-server = {command = "${haskell-language-server}/bin/haskell-language-server-wrapper";};
+      name = "haskell";
+    }
+  ];
+}

users/max/home/editor/theme.nix

@@ -0,0 +1,128 @@
+{
+  palette = {
+    base0 = "#131313";
+    base1 = "#191919";
+    base2 = "#222222";
+    base3 = "#363537";
+    base4 = "#525053";
+    base5 = "#69676c";
+    base6 = "#8b888f";
+    base7 = "#bab6c0";
+    base8 = "#f7f1ff";
+    base8x0c = "#2b2b2b";
+    blue = "#5ad4e6";
+    green = "#7bd88f";
+    orange = "#fd9353";
+    purple = "#948ae3";
+    red = "#fc618d";
+    yellow = "#fce566";
+  };
+
+  error = "red";
+  hint = "base8";
+  info = "base8";
+  warning = "orange";
+
+  attribute = "blue";
+
+  comment = {
+    fg = "base5";
+    modifiers = ["italic"];
+  };
+
+  constant = "orange";
+  "constant.builtin" = "red";
+  "constant.character.escape" = {fg = "base8";};
+  "constant.numeric" = "purple";
+
+  constructor = "blue";
+
+  diagnostic = {modifiers = ["underlined"];};
+
+  "diff.delta" = "orange";
+  "diff.minus" = "red";
+  "diff.plus" = "green";
+
+  function = "green";
+  "function.builtin" = {fg = "cyan";};
+  "function.macro" = {fg = "blue";};
+
+
+  keyword = {fg = "red";};
+  "keyword.directive" = "blue";
+
+  label = "base8";
+
+  "markup.bold" = {
+    fg = "orange";
+    modifiers = ["bold"];
+  };
+
+  "markup.heading" = "green";
+  "markup.italic" = {
+    fg = "orange";
+    modifiers = ["italic"];
+  };
+
+  "markup.link.text" = "yellow";
+  "markup.link.url" = {
+    fg = "orange";
+    modifiers = ["underlined"];
+  };
+
+  "markup.quote" = "green";
+
+  module = "#f59762";
+
+  namespace = "base8";
+
+  operator = "red";
+
+  punctuation = "base6";
+
+  special = "#f59762";
+
+  string = "yellow";
+
+  type = "green";
+  "type.builtin" = {fg = "red";};
+
+  "ui.background" = {bg = "1a1a1a";};
+
+  "ui.cursor.match" = {bg = "base4";};
+  "ui.cursor.primary" = {
+    fg = "base7";
+    modifiers = ["reversed"];
+  };
+
+  "ui.help" = {bg = "base3";};
+
+  "ui.linenr" = {fg = "base5";};
+  "ui.linenr.selected" = {bg = "base3";};
+
+  "ui.menu.selected" = {
+    bg = "yellow";
+    fg = "base2";
+  };
+
+  "ui.popup" = {bg = "base3";};
+  "ui.selection" = {bg = "base4";};
+  "ui.statusline" = {bg = "base4";};
+  "ui.statusline.inactive" = {
+    bg = "base8x0c";
+    fg = "base8";
+  };
+
+  "ui.text" = {fg = "base8";};
+  "ui.text.focus" = {
+    fg = "yellow";
+    modifiers = ["bold"];
+  };
+
+  "ui.window" = {bg = "base3";};
+
+  variable = "base8";
+  "variable.builtin" = "red";
+  "variable.other.member" = "base8";
+  "variable.parameter" = "#f59762";
+}