initial helix config

modules/cli/default.nix

@@ -158,6 +158,7 @@
     alias yq='yq --indent 4'
     alias p=python3
     alias h=htop
+    alias e='$EDITOR'
     alias nix-env="echo nix-env is disabled #"
     alias nix-what-depends-on='nix-store --query --referrers'
     alias day='date "+%Y-%m-%d"'

modules/helix/default.nix

@@ -0,0 +1,93 @@
+{ pkgs, ... }:
+let
+  hx-pretty = pkgs.writeShellScript "hx-pretty.sh" ''
+    exec prettier --stdin-filepath "$HX_FILE"
+  '';
+
+  prettier-formats = map
+    (name: {
+      inherit name;
+      auto-format = true;
+      indent = { tab-width = 4; unit = "\t"; };
+      formatter.command = hx-pretty;
+    })
+    [
+      "css"
+      "html"
+      "javascript"
+      "typescript"
+    ];
+
+in
+{
+  environment.etc."bck-helix/config.toml".source =
+    (pkgs.formats.toml { }).generate "config.toml" {
+      theme = "dark_plus";
+      editor = {
+        auto-format = true;
+        bufferline = "multiple";
+        indent-guides.render = true;
+        line-number = "relative";
+        mouse = false;
+        scrolloff = 10;
+        true-color = true;
+      };
+      keys = {
+        normal.space.e = ":w";
+        normal.space.x = ":q";
+        normal.space.backspace = ":reset-diff-change";
+      };
+    };
+
+  environment.etc."bck-helix/languages.toml".source =
+    (pkgs.formats.toml { }).generate "languages.toml" {
+      language = prettier-formats ++ [
+        {
+          name = "bash";
+          auto-format = true;
+          indent = { tab-width = 4; unit = "\t"; };
+        }
+        {
+          name = "lua";
+          auto-format = true;
+          indent = { tab-width = 4; unit = "\t"; };
+        }
+        {
+          name = "nix";
+          auto-format = true;
+          formatter.command = "nixpkgs-fmt";
+        }
+        {
+          name = "python";
+          auto-format = true;
+          language-servers = [ "pyright" ];
+          formatter = { command = "black"; args = [ "--quiet" "-" ]; };
+        }
+        {
+          name = "yaml";
+          auto-format = true;
+          formatter.command = hx-pretty;
+        }
+      ];
+      language-server = {
+        pyright = {
+          command = "pyright-langserver";
+          args = [ "--stdio" ];
+        };
+      };
+    };
+
+  environment.systemPackages = with pkgs; [
+    (helix.overrideAttrs ({ patches ? [ ], ... }: {
+      # Patch required for .editorconfig to work properly with formatters
+      patches = patches ++ [ ./format-filepath.patch ];
+      postPatch = ''
+        sed 's/tab-width = .,/tab-width = 4,/' -i languages.toml
+      '';
+    }))
+  ];
+
+  environment.etc."bck-settings.sh".text = ''
+    mkdir -p ~/.config && ln -nTfs /etc/bck-helix ~/.config/helix
+  '';
+}

modules/helix/format-filepath.patch

@@ -0,0 +1,10 @@
+--- a/helix-view/src/document.rs
++++ b/helix-view/src/document.rs
+@@ -762,6 +762,7 @@ pub fn format(&self) -> Option<BoxFuture<'static, Result<Transaction, FormatterE
+             let text = self.text().clone();
+             let mut process = tokio::process::Command::new(&fmt_cmd);
+             process
++                .env("HX_FILE", self.path()?.to_str().unwrap_or(""))
+                 .args(fmt_args)
+                 .stdin(Stdio::piped())
+                 .stdout(Stdio::piped())

modules/sean.nix

@@ -1,6 +1,6 @@
 { pkgs, ... }:
 {
-  environment.variables.EDITOR = "nvim";
+  environment.variables.EDITOR = "hx";
   environment.systemPackages = [
     pkgs.bck-nvim-base
     pkgs.bck-nvim-tools