From 536e20fdcea182735e10cef01faf4f777d515777 Mon Sep 17 00:00:00 2001
From: Daniel Thwaites <danthwaites30@btinternet.com>
Date: Sun, 20 Dec 2020 19:19:08 +0000
Subject: [PATCH] Add Vim module

---
 default.nix        |  1 +
 modules/vim.nix    | 35 +++++++++++++++++++++++++++++++++++
 stylix/base16.nix  | 22 ++++++++++++++++++++++
 stylix/default.nix |  1 +
 4 files changed, 59 insertions(+)
 create mode 100644 modules/vim.nix
 create mode 100644 stylix/base16.nix

diff --git a/default.nix b/default.nix
index 139c2989..025330ad 100644
--- a/default.nix
+++ b/default.nix
@@ -3,5 +3,6 @@
     ./stylix/default.nix
 
     ./modules/console.nix
+    ./modules/vim.nix
   ];
 }
diff --git a/modules/vim.nix b/modules/vim.nix
new file mode 100644
index 00000000..5f34073d
--- /dev/null
+++ b/modules/vim.nix
@@ -0,0 +1,35 @@
+{ pkgs, config, ... }:
+
+let
+  base16-vim = pkgs.fetchFromGitHub {
+    owner = "chriskempson";
+    repo = "base16-vim";
+    rev = "6191622d5806d4448fa2285047936bdcee57a098";
+    sha256 = "6FsT87qcl9GBxgxrPx2bPULIMA/O8TRxHaN49qMM4uM=";
+  };
+
+  themePlugin = pkgs.vimUtils.buildVimPlugin {
+    name = "stylix";
+
+    src = base16-vim;
+    data = config.lib.stylix.base16.json;
+    passAsFile = [ "data" ];
+
+    buildPhase = ''
+      mkdir -p $out/colors
+      ${pkgs.mustache-go}/bin/mustache $dataPath \
+        $src/templates/default.mustache > $out/colors/base16-stylix.vim
+    '';
+  };
+
+  vimOptions = {
+    plugins = [ themePlugin ];
+    extraConfig = "colorscheme base16-stylix";
+  };
+
+in {
+  stylix.homeModule = {
+    programs.vim = vimOptions;
+    programs.neovim = vimOptions;
+  };
+}
diff --git a/stylix/base16.nix b/stylix/base16.nix
new file mode 100644
index 00000000..8b44cc1c
--- /dev/null
+++ b/stylix/base16.nix
@@ -0,0 +1,22 @@
+# Used to build templates from http://chriskempson.com/projects/base16/
+
+{ pkgs, config, ... }:
+
+{
+  config.lib.stylix.base16 = rec {
+    json = builtins.toJSON (config.lib.stylix.colors // {
+      # Additional attributes only used for base16
+      scheme-name = "Stylix";
+      scheme-slug = "stylix";
+      scheme-author = "Stylix";
+    });
+
+    buildTemplate = name: templatePath:
+      pkgs.runCommand "base16-${name}"
+      {
+        inherit json templatePath;
+        passAsFile = [ "json" ];
+      }
+      "${pkgs.mustache-go}/bin/mustache $jsonPath $templatePath > $out";
+  };
+}
diff --git a/stylix/default.nix b/stylix/default.nix
index 90fea24e..81ead8c6 100644
--- a/stylix/default.nix
+++ b/stylix/default.nix
@@ -4,6 +4,7 @@ with lib;
 
 {
   imports = [
+    ./base16.nix
     ./colors.nix
     ./fonts.nix
     ./home-manager.nix