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Ensure current buffer is version-controlled in vc-region-history

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* lisp/vc/vc.el (vc-region-history): Ensure buffer is
version-controlled.  Otherwise if a user runs it in a
non-version-controlled buffer, they get the error:

  Cannot open load file: No such file or directory, vc-nil
This commit is contained in:
Charles A. Roelli 2017-12-20 20:40:14 +01:00
parent 615c5cf0a6
commit 7d392ccd69
1 changed files with 2 additions and 0 deletions
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2
lisp/vc/vc.el
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@ -2422,6 +2422,8 @@ When called interactively with a prefix argument, prompt for REMOTE-LOCATION."
(file buffer-file-name)
(backend (vc-backend file))
(buf (get-buffer-create "*VC-history*")))
(unless backend
(error "Buffer is not version controlled"))
(with-current-buffer buf
(setq-local vc-log-view-type 'long))
(vc-call region-history file buf lfrom lto)