$ git clone -n https://src.fedoraproject.org/rpms/xorg-x11-drv-dummy.git /var/lib/mock/f31-build-61063-28818/root/chroot_tmpdir/scmroot/xorg-x11-drv-dummy
Cloning into '/var/lib/mock/f31-build-61063-28818/root/chroot_tmpdir/scmroot/xorg-x11-drv-dummy'...
$ git reset --hard 8ce7c303abef66d83f9aed49cf2abb8e2c917f80
HEAD is now at 8ce7c30 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild