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fsmonitor: update documentation for hook version and watchman hooks

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A new config value for core.fsmonitorHookVersion was added to be able
to force the version of the fsmonitor hook.  Possible values are 1 or 2.
When this is not set the code will use a value of -1 and attempt to use
version 2 of the hook first and if that fails will attempt version 1.

Signed-off-by: Kevin Willford <Kevin.Willford@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kevin Willford
2020-01-23 15:26:47 +00:00
committed by Junio C Hamano
parent e4e1e8342a
commit dfaed02862
2 changed files with 21 additions and 3 deletions
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11
Documentation/config/core.txt
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@ -68,6 +68,17 @@ core.fsmonitor::
avoiding unnecessary processing of files that have not changed.
See the "fsmonitor-watchman" section of linkgit:githooks[5].
core.fsmonitorHookVersion::
Sets the version of hook that is to be used when calling fsmonitor.
There are currently versions 1 and 2. When this is not set,
version 2 will be tried first and if it fails then version 1
will be tried. Version 1 uses a timestamp as input to determine
which files have changes since that time but some monitors
like watchman have race conditions when used with a timestamp.
Version 2 uses an opaque string so that the monitor can return
something that can be used to determine what files have changed
without race conditions.
core.trustctime::
If false, the ctime differences between the index and the
working tree are ignored; useful when the inode change time