> I would like to split an existing port (healpix) into two or more new ports
> (healpix-c, healpix-cxx). Is there a way to accomplish this with replaced_by,
> or are there any examples of ports for which something similar has happened
> in the past?
I believe replaced-by only handles a one-to-one replacement.
I'd recommend making healpix a virtual package (no real contents, just one file
in to place into a ${prefix}/share/doc/${name}/) that depends on both healpix-c
and healpix-cxx.
You could add a `notes` message indicating healpix no longer does anything:
users can set healpix-c[xx] as requested and then uninstall healpix.
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