$ git clone -n https://src.fedoraproject.org/rpms/rust-quickcheck0.9.git /var/lib/mock/f45-build-44205-811/root/chroot_tmpdir/scmroot/rust-quickcheck0.9
Cloning into '/var/lib/mock/f45-build-44205-811/root/chroot_tmpdir/scmroot/rust-quickcheck0.9'...
$ git fetch origin eb5bd2cdc8d0ba2205d89b28d478d22d2557f5db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quickcheck0.9
 * [new ref]         eb5bd2cdc8d0ba2205d89b28d478d22d2557f5db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb5bd2c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild