Sync change from trunk at request of rms in FOR-RELEASE:

Stefan Monnier  <monnier at iro.umontreal.ca>

(vc-find-root): Stop searching when the user changes.
This commit is contained in:
Glenn Morris 2007-05-17 07:38:11 +00:00
parent 84bbd894e3
commit 6e94b3b6d8

View file

@ -315,10 +315,17 @@ If WITNESS if not found, return nil, otherwise return the root."
;; Represent /home/luser/foo as ~/foo so that we don't try to look for
;; witnesses in /home or in /.
(setq file (abbreviate-file-name file))
(let ((root nil))
(let ((root nil)
(user (nth 2 (file-attributes file))))
(while (not (or root
(equal file (setq file (file-name-directory file)))
(null file)
;; As a heuristic, we stop looking up the hierarchy of
;; directories as soon as we find a directory belonging
;; to another user. This should save us from looking in
;; things like /net and /afs. This assumes that all the
;; files inside a project belong to the same user.
(not (equal user (file-attributes file)))
(string-match vc-ignore-dir-regexp file)))
(if (file-exists-p (expand-file-name witness file))
(setq root file)