$ git clone -n https://src.fedoraproject.org/rpms/rust-path-clean.git /var/lib/mock/f45-build-43711-805/root/chroot_tmpdir/scmroot/rust-path-clean
Cloning into '/var/lib/mock/f45-build-43711-805/root/chroot_tmpdir/scmroot/rust-path-clean'...
$ git fetch origin a6419aa3fc3621277bd0af792b8ab388dbde6452:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-path-clean
 * [new ref]         a6419aa3fc3621277bd0af792b8ab388dbde6452 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6419aa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild