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runtime(doc): add some docs for file-watcher programs

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fixes: #15733

Signed-off-by: Christian Brabandt <cb@256bit.org>
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Christian Brabandt
2024-10-14 22:08:22 +02:00
parent 793c315115
commit 5bcfb5a30c
3 changed files with 14 additions and 3 deletions
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11
runtime/doc/editing.txt
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@ -1,4 +1,4 @@
*editing.txt* For Vim version 9.1. Last change: 2024 Oct 13
*editing.txt* For Vim version 9.1. Last change: 2024 Oct 14
VIM REFERENCE MANUAL by Bram Moolenaar
@ -1058,6 +1058,15 @@ explanation of when the copy is made and when the file is renamed.
If the creation of a backup file fails, the write is not done. If you want
to write anyway add a '!' to the command.
*file-watcher*
When you notice issues with programs, that act upon when a buffer is written
(like inotify, entr or fswatch) or when external applications execute Vim to
edit the file (like git) and those programs do not seem to notice that the
original file has been changed, you may want to consider switching the
'backupcopy' option value to "yes". This makes sure, Vim writes to the same
file, that those watcher programs expect, without creating a new file (which
prevents them from detecting that the file has changed). See also |crontab|
*write-permissions*
When writing a new file the permissions are read-write. For unix the mask is
0o666 with additionally umask applied. When writing a file that was read Vim