$ git clone -n https://src.fedoraproject.org/rpms/brightnessctl.git /var/lib/mock/f45-build-4059-330/root/chroot_tmpdir/scmroot/brightnessctl
Cloning into '/var/lib/mock/f45-build-4059-330/root/chroot_tmpdir/scmroot/brightnessctl'...
$ git fetch origin f608f422d73dd6c2a7d9bfbc6807abf6228e9103:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brightnessctl
 * [new ref]         f608f422d73dd6c2a7d9bfbc6807abf6228e9103 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f608f42 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild