$ git clone -n https://src.fedoraproject.org/rpms/python-pygraphviz.git /var/lib/mock/f40-build-736332-106616/root/chroot_tmpdir/scmroot/python-pygraphviz
Cloning into '/var/lib/mock/f40-build-736332-106616/root/chroot_tmpdir/scmroot/python-pygraphviz'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/python-pygraphviz.git/': Error in the HTTP2 framing layer