$ git clone -n https://src.fedoraproject.org/rpms/rust-numtoa.git /var/lib/mock/f45-build-43499-803/root/chroot_tmpdir/scmroot/rust-numtoa
Cloning into '/var/lib/mock/f45-build-43499-803/root/chroot_tmpdir/scmroot/rust-numtoa'...
$ git fetch origin 8478182ca4491d632a9547086bbd2e960908f241:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-numtoa
 * [new ref]         8478182ca4491d632a9547086bbd2e960908f241 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8478182 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild