checkout multiple tags

[Eric Fritz]

Is there anyway to checkout multiple tags at once, or even checkout
subsequent tags and overlay them on a current working area?

For example:

Whenever we make updates to the product we tag all the files that
changed with this update with a particular tag.  Then we can checkout
just those files to make a patch tarball pretty easily.

The problem is what if I want to checkout the last 3 updates.  If I try
to use: "cvs checkout -r tag1 -r tag2 -r tag3 module"  it only gets the
files in tag3.  If I try to run them seperately, one on top of the
other, subsequent checkouts actually remove the files that are not
listed with the tag.

I suppose that I could change the process so that we tag everything,
for every patch but then how can I easily know what was actually
changed in this particular tag.

Any ideas would be most appreciated.

Eric

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