$ git clone -n https://src.fedoraproject.org/rpms/rust-monitord-exporter.git /var/lib/mock/f45-build-43237-801/root/chroot_tmpdir/scmroot/rust-monitord-exporter
Cloning into '/var/lib/mock/f45-build-43237-801/root/chroot_tmpdir/scmroot/rust-monitord-exporter'...
$ git fetch origin 6124a8dda65d9f9f9707bc45899e886bb7f28af6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-monitord-exporter
 * [new ref]         6124a8dda65d9f9f9707bc45899e886bb7f28af6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6124a8d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild