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Re: [PATCH v1 0/2] fsexcludes: Add programmatic way to exclude files




On Tue, Apr 10, 2018 at 11:04 PM, Ben Peart <Ben.Peart@xxxxxxxxxxxxx> wrote:
> In git repos with large working directories an external file system monitor
> (like fsmonitor or gvfs) can track what files in the working directory have been
> modified.  This information can be used to speed up git operations that scale
> based on the size of the working directory so that they become O(# of modified
> files) vs O(# of files in the working directory).
>
> The fsmonitor patch series added logic to limit what files git had to stat() to
> the set of modified files provided by the fsmonitor hook proc.  It also used the
> untracked cache (if enabled) to limit the files/folders git had to scan looking
> for new/untracked files.  GVFS is another external file system model that also
> speeds up git working directory based operations that has been using a different
> mechanism (programmatically generating an excludes file) to enable git to be
> O(# of modified files).
>
> This patch series will introduce a new way to limit git�s traversal of the
> working directory that does not require the untracked cache (fsmonitor) or using
> the excludes feature (GVFS).  It does this by enhancing the existing excludes
> logic in dir.c to support a new �File System Excludes� or fsexcludes API that is
> better tuned to these programmatic applications.

I have not had a chance to really look at the patches yet but I think
these three paragraphs should somehow be included in the commit
description of 1/2 (or spread out between 1/2 and 2/2). 1/2
description for example briefly talks about how to use the new thing,
but not really tell what it's for, why you need to add it.
-- 
Duy