$ git clone -n https://src.fedoraproject.org/rpms/umbrello.git /var/lib/mock/f42-build-3465813-45743/root/chroot_tmpdir/scmroot/umbrello
Cloning into '/var/lib/mock/f42-build-3465813-45743/root/chroot_tmpdir/scmroot/umbrello'...
error: RPC failed; curl 56 OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 0
fetch-pack: unexpected disconnect while reading sideband packet
fatal: early EOF
fatal: fetch-pack: invalid index-pack output