$ git clone -n https://src.fedoraproject.org/rpms/jaxb-stax-ex.git /var/lib/mock/f38-build-side-42-init-devel-746998-27660/root/chroot_tmpdir/scmroot/jaxb-stax-ex
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-746998-27660/root/chroot_tmpdir/scmroot/jaxb-stax-ex'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/jaxb-stax-ex.git/': Error in the HTTP2 framing layer