$ git clone -n https://src.fedoraproject.org/rpms/xorg-x11-drv-v4l.git /var/lib/mock/f31-build-71502-30650/root/chroot_tmpdir/scmroot/xorg-x11-drv-v4l
Cloning into '/var/lib/mock/f31-build-71502-30650/root/chroot_tmpdir/scmroot/xorg-x11-drv-v4l'...
$ git reset --hard a54ae23bda1d20acf8e346323a8f373b3461dbff
HEAD is now at a54ae23 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild