guix pull via cgit odd behavior or limitations?

[ng0]

I think we've been through this before, but why is it that

  git clone https://gitweb.krosos.org/ng0_guix/guix --branch system/mate

works out, but

  guix pull --url=https://gitweb.krosos.org/ng0_guix/guix --branch=system/mate

gives me

  guix pull: error: Git error: invalid Content-Type: text/plain; charset=UTF-8

so that I have to use git:// instead (which succeeds)? Is guile-git limited in
that aspect? git:// addresses git-daemon and https:// addresses the cgit, the
pull URLs are correct (and differ depending on the access used. one cuts the
suffix the other doesn't and adds more stuff, 
git://git.krosos.org/srv/git/ng0/ng0_guix/guix.git
would be the git-daemon).
-- 
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