$ git clone -n https://src.fedoraproject.org/rpms/rust-miniz_oxide0.8.git /var/lib/mock/f45-build-43259-801/root/chroot_tmpdir/scmroot/rust-miniz_oxide0.8
Cloning into '/var/lib/mock/f45-build-43259-801/root/chroot_tmpdir/scmroot/rust-miniz_oxide0.8'...
$ git fetch origin c46410e95a91458d1a6a06e91133043f4c4762b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-miniz_oxide0.8
 * [new ref]         c46410e95a91458d1a6a06e91133043f4c4762b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c46410e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild