$ git clone -n https://github.com/xcp-ng-rpms/xenserver-config.git /var/lib/mock/v8.3-incoming-5334-7889/root/chroot_tmpdir/scmroot/xenserver-config
Cloning into '/var/lib/mock/v8.3-incoming-5334-7889/root/chroot_tmpdir/scmroot/xenserver-config'...
fatal: unable to access 'https://github.com/xcp-ng-rpms/xenserver-config.git/': Failed connect to github.com:443; Connection timed out