$ git clone -n https://src.fedoraproject.org/rpms/rust-clock-steering.git /var/lib/mock/f45-build-40847-776/root/chroot_tmpdir/scmroot/rust-clock-steering
Cloning into '/var/lib/mock/f45-build-40847-776/root/chroot_tmpdir/scmroot/rust-clock-steering'...
$ git fetch origin 1bc716511d1b9005be3cbe797354755074bf2247:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-clock-steering
 * [new ref]         1bc716511d1b9005be3cbe797354755074bf2247 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bc7165 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild