$ git clone -n https://src.fedoraproject.org/rpms/rust-lru-slab.git /var/lib/mock/f45-build-43055-799/root/chroot_tmpdir/scmroot/rust-lru-slab
Cloning into '/var/lib/mock/f45-build-43055-799/root/chroot_tmpdir/scmroot/rust-lru-slab'...
$ git fetch origin 9fb4abcb9cd2baef5921a3f501d41ea7e8111ae2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lru-slab
 * [new ref]         9fb4abcb9cd2baef5921a3f501d41ea7e8111ae2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fb4abc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild