$ git clone -n https://src.fedoraproject.org/rpms/rust-drm.git /var/lib/mock/f45-build-41422-782/root/chroot_tmpdir/scmroot/rust-drm
Cloning into '/var/lib/mock/f45-build-41422-782/root/chroot_tmpdir/scmroot/rust-drm'...
$ git fetch origin a8ca220cdd05b8514924489e0c043726449f9663:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-drm
 * [new ref]         a8ca220cdd05b8514924489e0c043726449f9663 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8ca220 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild