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vim-patch:8.2.3509: undo file is not synced

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Problem:    Undo file is not synced. (Sami Farin)
Solution:   Sync the undo file if 'fsync' is set. (Christian Brabandt,
            closes vim/vim#8879, closes vim/vim#8920)

340dd0fbe4

Co-authored-by: Bram Moolenaar <Bram@vim.org>
(cherry picked from commit ff5b103ac7)
This commit is contained in:
zeertzjq
2023-04-28 20:34:48 +08:00
committed by github-actions[bot]
parent fb73bfd667
commit 5c2f442a74
2 changed files with 6 additions and 2 deletions
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4
runtime/doc/options.txt
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@@ -2768,8 +2768,8 @@ A jump table for the options with a short description can be found at |Q_op|.
'fsync' 'fs' boolean (default off)
global
When on, the OS function fsync() will be called after saving a file
(|:write|, |writefile()|, …), |swap-file| and |shada-file|. This
flushes the file to disk, ensuring that it is safely written.
(|:write|, |writefile()|, …), |swap-file|, |undo-persistence| and |shada-file|.
This flushes the file to disk, ensuring that it is safely written.
Slow on some systems: writing buffers, quitting Nvim, and other
operations may sometimes take a few seconds.