From f15af583ebdce3c1b89cdfec05664c84e3d3ff51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alvaro=20Mu=C3=B1oz?= <alvaro@pwntester.com>
Date: Fri, 1 Jan 2021 20:42:36 +0100
Subject: [PATCH] fix: make sure preview buffer is valid before writing to it
 (#376)

---
 lua/telescope/previewers/utils.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lua/telescope/previewers/utils.lua b/lua/telescope/previewers/utils.lua
index 2c36a76..29ef1c0 100644
--- a/lua/telescope/previewers/utils.lua
+++ b/lua/telescope/previewers/utils.lua
@@ -35,6 +35,7 @@ utils.job_maker = function(cmd, bufnr, opts)
       args = cmd,
       env = opts.env,
       on_exit = vim.schedule_wrap(function(j)
+        if not vim.api.nvim_buf_is_valid(bufnr) then return end
         if opts.mode == "append" then
           local count = vim.api.nvim_buf_line_count(bufnr)
           vim.api.nvim_buf_set_lines(bufnr, count, -1, false, j:result())