Is there any chance of seeing that hit NetBSD ?
I used to have a package in my local pkgsrc repo[1] that pulled the
script out of openssh-portable.
I asked about this a while back on tech-pkg[2] but never got any
feedback. I haven't used it in a while
so I forgot about it but I agree it might be nice to have.
Best,
Travis Paul
[1]
https://github.com/netverb/pkgsrc-netverb/tree/9315ea0f83d5e330d45d2dc84280458ff6aa4856/ssh-copy-id
[2] https://mail-index.netbsd.org/tech-pkg/2015/07/12/msg015215.html