$ git clone -n https://src.fedoraproject.org/rpms/rust-tower.git /var/lib/mock/f45-build-45574-824/root/chroot_tmpdir/scmroot/rust-tower
Cloning into '/var/lib/mock/f45-build-45574-824/root/chroot_tmpdir/scmroot/rust-tower'...
$ git fetch origin 40074be65a25f1dd0ce7e8672abd55c444f42368:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tower
 * [new ref]         40074be65a25f1dd0ce7e8672abd55c444f42368 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40074be Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild