3 files changed, 40 insertions, 2 deletions
diff --git a/configs/.ycm_extra_conf.py b/configs/.ycm_extra_conf.py
new file mode 100644
index 0000000..abaa723
--- /dev/null
+++ b/configs/.ycm_extra_conf.py
@@ -0,0 +1,18 @@
+def Settings(**kwargs):
+    return {"ls": language_server_settings(kwargs["language"])}
+
+
+def language_server_settings(language):
+    match language:
+        case "nix":
+            return nil_settings()
+        case _:
+            return {}
+
+
+def nil_settings():
+    return {
+        "formatting": {
+            "command": ["nixfmt"],
+        },
+    }
diff --git a/configs/plugins.vimrc b/configs/plugins.vimrc
index cdc2a88..92d499d 100644
--- a/configs/plugins.vimrc
+++ b/configs/plugins.vimrc
@@ -2,6 +2,9 @@
 
 " YOUCOMPLETEME:
 
+let g:ycm_extra_conf_globlist = ['/nix/store/*']
+let g:ycm_global_ycm_extra_conf = '@ycm_extra_conf@'
+
 let g:ycm_language_server =
   \ [
   \   {
diff --git a/modules/vim.nix b/modules/vim.nix
index ceceac5..1913197 100644
--- a/modules/vim.nix
+++ b/modules/vim.nix
@@ -1,4 +1,9 @@
-{ pkgs, auxiliaryPkgs, ... }:
+{
+  lib,
+  pkgs,
+  auxiliaryPkgs,
+  ...
+}:
 
 let
   configs = [
@@ -6,7 +11,19 @@ let
     ../configs/plugins.vimrc
   ];
 
-  customRC = with builtins; foldl' (r: f: r + (readFile f)) "" configs;
+  configVars = {
+    "@ycm_extra_conf@" = ../configs/.ycm_extra_conf.py;
+  };
+
+  processRCFile =
+    f:
+    with builtins;
+    (replaceStrings
+      (lib.attrNames configVars)
+      (map toString (lib.attrValues configVars))
+      (readFile f));
+
+  customRC = builtins.foldl' (r: f: r + (processRCFile f)) "" configs;
 
   vim-configured =
     with pkgs;