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vc-toggle-read-only mishandles CVS ro file in presence of CVSREAD=1
From: |
Thien-Thi Nguyen |
Subject: |
vc-toggle-read-only mishandles CVS ro file in presence of CVSREAD=1 |
Date: |
Wed, 25 Jun 2008 07:04:33 +0200 |
While investigating the pgg-gpg.el bug report (another thread), i
did a cvs update and now `C-x C-q' bleats on a CVS-controlled
read-only file (w/ env var `CVSREAD' set to "1"). This used to
work before, so i consider the current situation a regression.
I see vc-toggle-read-only now reads:
| (defun vc-toggle-read-only (&optional verbose)
| "Change read-only status of current buffer, perhaps via version control.
|
| If the buffer is visiting a file registered with version control,
| throw an error, because this is not a safe or really meaningful operation
| on any version-control system newer than RCS.
|
| Otherwise, just change the read-only flag of the buffer.
|
| If you bind this function to \\[toggle-read-only], then Emacs
| will properly intercept all attempts to toggle the read-only flag
| on version-controlled buffer."
| (interactive "P")
| (if (vc-backend buffer-file-name)
| (error "Toggling the readability of a version controlled file is likely
to wreak havoc.")
| (toggle-read-only)))
The "not a safe ... newer than RCS" blurb is (gratuitously) wrong,
but at least we know the authors' bias up front. I suggest we
remove that blurb and use checkout-model info to make this command
DTRT again.
thi
- vc-toggle-read-only mishandles CVS ro file in presence of CVSREAD=1,
Thien-Thi Nguyen <=