From af4c3cf17206810880d2a93562e0a4c0d901c684 Mon Sep 17 00:00:00 2001
From: Trevor Arjeski <tmarjeski@gmail.com>
Date: Fri, 15 Mar 2024 20:33:36 +0300
Subject: [PATCH] fix: mason extension lazy loading (#1196)

Fixed mason extension to only load mason-registry when the lualine section is
displayed (on 'mason' filetype). This prevents loading mason when lualine is
loaded.
---
 lua/lualine/extensions/mason.lua | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/lua/lualine/extensions/mason.lua b/lua/lualine/extensions/mason.lua
index 16ed56b40..5432fe662 100644
--- a/lua/lualine/extensions/mason.lua
+++ b/lua/lualine/extensions/mason.lua
@@ -1,8 +1,11 @@
 -- lualine extension for mason.nvim
 
-local ok, mason_registry = pcall(require, 'mason-registry')
-if not ok then
-  return ''
+local mason_registry
+local function maybe_set_registry()
+  local ok, registry = pcall(require, 'mason-registry')
+  if ok then
+    mason_registry = registry
+  end
 end
 
 local M = {}
@@ -15,6 +18,7 @@ M.sections = {
   },
   lualine_b = {
     function()
+      maybe_set_registry()
       return 'Installed: ' .. #mason_registry.get_installed_packages() .. '/' .. #mason_registry.get_all_package_specs()
     end,
   },