$ git clone -n https://src.fedoraproject.org/rpms/rust-probe.git /var/lib/mock/f45-build-44020-809/root/chroot_tmpdir/scmroot/rust-probe
Cloning into '/var/lib/mock/f45-build-44020-809/root/chroot_tmpdir/scmroot/rust-probe'...
$ git fetch origin ebdc2b173f7f3576f1dfb5a57d96843c73355bf7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-probe
 * [new ref]         ebdc2b173f7f3576f1dfb5a57d96843c73355bf7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ebdc2b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild