From 30cc4f16e5d433295f92219170fdfb6900e16d0d Mon Sep 17 00:00:00 2001
From: mae <git@badat.dev>
Date: Sun, 30 Apr 2023 18:26:56 +0200
Subject: [PATCH] Add support for hexediting to nvim

---
 users/modules/neovim/default.nix   |  1 +
 users/modules/neovim/hexeditor.nix | 22 ++++++++++++++++++++++
 users/profiles/neovim/default.nix  |  1 +
 3 files changed, 24 insertions(+)
 create mode 100644 users/modules/neovim/hexeditor.nix

diff --git a/users/modules/neovim/default.nix b/users/modules/neovim/default.nix
index 90e368d..8cc78bd 100644
--- a/users/modules/neovim/default.nix
+++ b/users/modules/neovim/default.nix
@@ -14,6 +14,7 @@ in
     ./clangd.nix
     ./elixir.nix
     ./dart.nix
+    ./hexeditor.nix
   ];
 
   options.mae.nvim = {
diff --git a/users/modules/neovim/hexeditor.nix b/users/modules/neovim/hexeditor.nix
new file mode 100644
index 0000000..7685e79
--- /dev/null
+++ b/users/modules/neovim/hexeditor.nix
@@ -0,0 +1,22 @@
+{ lib, pkgs, config, ... }:
+let
+  cfg = config.mae.nvim.hexeditor;
+in
+{
+  options.mae.nvim.hexeditor.enable = lib.mkEnableOption "Enable hexediting in neovim";
+  config = lib.mkIf cfg.enable {
+    programs.neovim.extraConfig = ''
+      augroup Binary
+        au!
+        au BufReadPre *.bin let &bin=1
+        au BufReadPost *.bin if &bin | %!xxd
+        au BufReadPost *.bin set ft=xxd | endif
+        au BufWritePre *.bin if &bin | %!xxd -r
+        au BufWritePre *.bin endif
+        au BufWritePost *.bin if &bin | %!xxd
+        au BufWritePost *.bin set nomod | endif
+      augroup END
+    '';
+  };
+}
+
diff --git a/users/profiles/neovim/default.nix b/users/profiles/neovim/default.nix
index 29a8f39..515a36f 100644
--- a/users/profiles/neovim/default.nix
+++ b/users/profiles/neovim/default.nix
@@ -12,5 +12,6 @@
     python.enable = true;
     elixir.enable = true;
     dart.enable = true;
+    hexeditor.enable = true;
   };
 }