$ git clone -n https://src.fedoraproject.org/rpms/rust-itertools0.11.git /var/lib/mock/f45-build-42748-796/root/chroot_tmpdir/scmroot/rust-itertools0.11
Cloning into '/var/lib/mock/f45-build-42748-796/root/chroot_tmpdir/scmroot/rust-itertools0.11'...
$ git fetch origin e2584c6492d63dc7a45fb597e3b770a3e5848749:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-itertools0.11
 * [new ref]         e2584c6492d63dc7a45fb597e3b770a3e5848749 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2584c6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild