$ git clone -n https://src.fedoraproject.org/rpms/Rex.git /var/lib/mock/f38-build-side-42-init-devel-552751-25804/root/chroot_tmpdir/scmroot/Rex
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-552751-25804/root/chroot_tmpdir/scmroot/Rex'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/Rex.git/': Error in the HTTP2 framing layer