From 5d33444519ec2bcef96fef03b9efb3ad75fa6409 Mon Sep 17 00:00:00 2001
From: Tomasz Rybarczyk <paluho@gmail.com>
Date: Tue, 19 Sep 2017 18:11:30 +0200
Subject: [PATCH] vim: add relativeNumber option

Beside absolute numbering vim can display additional column with
line numbering relative to current cursor postion.
---
 modules/programs/vim.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/modules/programs/vim.nix b/modules/programs/vim.nix
index 5c1a02e7..3a30bd15 100644
--- a/modules/programs/vim.nix
+++ b/modules/programs/vim.nix
@@ -19,11 +19,19 @@ in
         default = null;
         description = "Whether to show line numbers.";
       };
+
+      relativeNumber = mkOption {
+        type = types.nullOr types.bool;
+        default = null;
+        description = "Whether to show relative line numbers column.";
+      };
+
       expandTab = mkOption {
         type = types.nullOr types.bool;
         default = null;
         description = "Whether to convert tabs into spaces.";
       };
+
       tabSize = mkOption {
         type = types.nullOr types.int;
         default = null; 
@@ -65,6 +73,7 @@ in
       optionalInteger = name: val: optionalString (val != null) "set ${name}=${toString val}";
       customRC = ''
         ${optionalBoolean "number" cfg.lineNumbers}
+        ${optionalBoolean "relativenumber" cfg.relativeNumber}
         ${optionalBoolean "expandtab" cfg.expandTab}
         ${optionalInteger "tabstop" cfg.tabSize}
         ${optionalInteger "shiftwidth" cfg.tabSize}