patch 8.0.1305: writefile() never calls fsync() commit https://github.com/vim/vim/commit/7567d0b115e332f61a9f390aaccdf7825b891227 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 16 23:04:15 2017 +0100 patch 8.0.1305: writefile() never calls fsync() Problem: Writefile() never calls fsync(). Solution: Follow the 'fsync' option with override to enable or disable.

" Vim filetype plugin file
" Language:	Diff
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2005 Jul 27

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let b:undo_ftplugin = "setl modeline<"

" Don't use modelines in a diff, they apply to the diffed file
setlocal nomodeline