$ git clone -n https://src.fedoraproject.org/rpms/php-phpunit-PHP-Timer.git /var/lib/mock/f37-build-side-32-misc-devel-354048-15578/root/chroot_tmpdir/scmroot/php-phpunit-PHP-Timer
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-354048-15578/root/chroot_tmpdir/scmroot/php-phpunit-PHP-Timer'...
error: RPC failed; curl 16 Error in the HTTP2 framing layer
fatal: the remote end hung up unexpectedly