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Re: New VC mode -- review request
From: |
Thien-Thi Nguyen |
Subject: |
Re: New VC mode -- review request |
Date: |
Thu, 04 Oct 2007 09:18:58 +0200 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/23.0.50 (gnu/linux) |
() "Eric S. Raymond" <address@hidden>
() Wed, 3 Oct 2007 13:00:48 -0400
Dan Nicolaescu <address@hidden>:
> > vc-rollback = C-x v c
>
> Do you have an implementation for this function for any
> backend? It would be interesting to see it.
There is one for SCCS in old VC if you want to look at it. I
think I at one point implemented it for one other backend, but
the code and concept were so dodgy that I decided it was best
shot through the head.
here is the implementation i use for cvs:
(defun ttn-cvs-cancel-version (file editable)
"Undo the most recent checkin of FILE then do \"cvs update\".
EDITABLE non-nil means do \"cvs edit\" afterwards."
(unless (and (stringp vc-mode)
(string= " CVS-" (substring vc-mode 0 5)))
(error "File locally modified, aborting"))
(let ((rev (substring vc-mode 5)))
(vc-cvs-command nil 0 file "admin" (concat "-o" rev))
(vc-cvs-command nil 0 file "update")
(when editable
(vc-cvs-command nil 0 file "edit"))))
(defun ttn-cvs-rollback (files)
;; Usage: (defalias 'vc-cvs-rollback 'ttn-cvs-rollback)
"Undo the most recent checkin of FILE then do \"cvs update\"."
(ttn-cvs-cancel-version (car files) nil))
although rollback and cancel-version, before that, are shunned, i
find them useful for lone-programmer (ttn-only) situations where
admin/recovery overhead for mistakes is tolerable. i think we
should provide them but continue to urge their avoidance for
shared-repo situations, however. the "we don't provide it because
you shouldn't do that" tone has always bothered me gutterally.
thi
- New VC mode -- review request, Eric S. Raymond, 2007/10/03
- Re: New VC mode -- review request, Dan Nicolaescu, 2007/10/03
- Re: New VC mode -- review request, Eric S. Raymond, 2007/10/03
- Re: New VC mode -- review request, Dan Nicolaescu, 2007/10/03
- Re: New VC mode -- review request, Eric S. Raymond, 2007/10/03
- Re: New VC mode -- review request, Dan Nicolaescu, 2007/10/03
- Re: New VC mode -- review request, Eric S. Raymond, 2007/10/09
- Re: New VC mode -- review request, Dan Nicolaescu, 2007/10/09
- Re: New VC mode -- review request, Eric S. Raymond, 2007/10/09
- Re: New VC mode -- review request,
Thien-Thi Nguyen <=
Re: New VC mode -- review request, Alexandru Harsanyi, 2007/10/03
Re: New VC mode -- review request, Richard Stallman, 2007/10/04
Re: New VC mode -- review request, David Kastrup, 2007/10/04
Re: New VC mode -- review request, Richard Stallman, 2007/10/03