From 27aeb2e715c32cbb99aa0b326b31739464b61644 Mon Sep 17 00:00:00 2001
From: Lewis Russell <lewis6991@gmail.com>
Date: Thu, 26 May 2022 12:55:53 +0100
Subject: [PATCH] fix(blame): don't lag on folded lines

---
 lua/gitsigns/current_line_blame.lua | 5 +++++
 teal/gitsigns/current_line_blame.tl | 5 +++++
 types/types.d.tl                    | 1 +
 3 files changed, 11 insertions(+)

diff --git a/lua/gitsigns/current_line_blame.lua b/lua/gitsigns/current_line_blame.lua
index e1e15f0..1fd1df3 100644
--- a/lua/gitsigns/current_line_blame.lua
+++ b/lua/gitsigns/current_line_blame.lua
@@ -110,6 +110,11 @@ local update = void(function()
       set_extmark(bufnr, lnum)
    end
 
+
+   if vim.fn.foldclosed(lnum) ~= -1 then
+      return
+   end
+
    local opts = config.current_line_blame_opts
 
 
diff --git a/teal/gitsigns/current_line_blame.tl b/teal/gitsigns/current_line_blame.tl
index 4ad41ab..748b4b2 100644
--- a/teal/gitsigns/current_line_blame.tl
+++ b/teal/gitsigns/current_line_blame.tl
@@ -110,6 +110,11 @@ local update = void(function()
     set_extmark(bufnr, lnum)
   end
 
+  -- Can't show extmarks on folded lines so skip
+  if vim.fn.foldclosed(lnum) ~= -1 then
+    return
+  end
+
   local opts = config.current_line_blame_opts
 
   -- Note because the same timer is re-used, this call has a debouncing effect.
diff --git a/types/types.d.tl b/types/types.d.tl
index c789fa2..2586b75 100644
--- a/types/types.d.tl
+++ b/types/types.d.tl
@@ -222,6 +222,7 @@ global record vim
     getpos: function(string): {integer}
     executable: function(string): integer
     expand: function(string): string
+    foldclosed: function(integer): integer
     getcwd: function(): string
     input: function(string, string): string