unlink Tag file before writing

[Brian J. Murrell]

It would be nice if cvs were to unlink the Tag file before writing
something new into it.  This is the only thing that prevents this series
of steps from working completely:

$ cvs co -r tag1
$ cp -al tag1 tag2
$ cd tag2
$ cvs update -r tag2

As you can guess, I end up with two checkouts, in two directories, tag1
and tag2.  Any files common to both tags which are identical on both
tags share a hard link to their contents, saving me space.

The problem as it is now, is that the CVS/Tag file in the tag1 checkout
is still a hard link and has "tag2" in it's contents.

Thots?

b.

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