$ git clone -n https://src.fedoraproject.org/rpms/rust-itertools0.14.git /var/lib/mock/f45-build-42765-796/root/chroot_tmpdir/scmroot/rust-itertools0.14
Cloning into '/var/lib/mock/f45-build-42765-796/root/chroot_tmpdir/scmroot/rust-itertools0.14'...
$ git fetch origin 0b80df5f1365a69e6b72842a62104ec7620bb66a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-itertools0.14
 * [new ref]         0b80df5f1365a69e6b72842a62104ec7620bb66a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b80df5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild