$ git clone -n https://src.fedoraproject.org/rpms/libndn-cxx.git /var/lib/mock/f37-build-side-32-misc-devel-404449-16077/root/chroot_tmpdir/scmroot/libndn-cxx
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-404449-16077/root/chroot_tmpdir/scmroot/libndn-cxx'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/libndn-cxx.git/': Error in the HTTP2 framing layer