$ git clone -n https://src.fedoraproject.org/rpms/xorg-x11-drv-v4l.git /var/lib/mock/f31-build-61090-28820/root/chroot_tmpdir/scmroot/xorg-x11-drv-v4l
Cloning into '/var/lib/mock/f31-build-61090-28820/root/chroot_tmpdir/scmroot/xorg-x11-drv-v4l'...
$ git reset --hard f6938bb88d6d6a9a8bb0899804d04475b6e5d2bc
HEAD is now at f6938bb - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild