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bug#34949: 27.0.50; Docstring of `vc-deduce-fileset' incomplete

From: Dmitry Gutov
Subject: bug#34949: 27.0.50; Docstring of `vc-deduce-fileset' incomplete
Date: Fri, 21 Feb 2020 02:22:32 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0

On 21.02.2020 1:14, Juri Linkov wrote:
Also some parts of the previous patch should be reverted
because I discovered that state changing VC operations in Dired
even on marked files (as opposed to directories) is unreliable:
when a file is modified, using vc-state doesn't return its real state
when updated outside of Emacs.

Right. More so than in VC-Dir buffers, which use dir-status-files already.

+(defun vc-directory-deduce-fileset (dir callback)
+  ;; TODO: use vc-dir-status-files
+  )

I should note that if could be, by any chance, satisfied with only using vc-next-action-on-root in VC-Dir buffers, there would be no need to call dir-status-files here.

+(defun vc-dir-status-files (backend dir files update-function)
+  (funcall update-function
+           (mapcar (lambda (file) (list file 'up-to-date)) files)))

This is a... test function?

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