$ git clone -n https://src.fedoraproject.org/rpms/xbacklight.git /var/lib/mock/f31-build-100833-33321/root/chroot_tmpdir/scmroot/xbacklight
Cloning into '/var/lib/mock/f31-build-100833-33321/root/chroot_tmpdir/scmroot/xbacklight'...
$ git reset --hard 9bbb425b4e475209ff090119509b562ef12ee80b
HEAD is now at 9bbb425 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild