|Subject:||bug#11490: vc-next-action overwrites changes in non-checked-out RCS file|
|Date:||Wed, 16 May 2012 15:29:07 -0400|
|User-agent:||Mozilla/5.0 (Windows NT 6.1; WOW64; rv:13.0) Gecko/20120425 Thunderbird/13.0|
GNU Emacs 126.96.36.199 (x86_64-redhat-linux-gnu, GTK+ Version 2.24.10)
of 2012-04-06 on x86-13.phx2.fedoraproject.org|
Make an RCS file writable with chmod +w without locking it.
Make changes to the file.
Type C-x v v.
The file will be locked and checked out and your changes will be overwritten.
This is Bad, Bad, Bad. It needs to check if there are non-checked-out changes and ask whether to preserve them.
It used to do this. I have no idea why it's behaving differently now or when it started behaving this way, but it's clearly wrong and dangerous, given the potential to lose work.
I lost a whole day of work recently as a result of this bug. Yeah, it was user error, but that's not really the point. It's easy to protect the user from losing work due to this editor, and it's something that Emacs used to do, so it should continue to do it.
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