$ git clone -n https://src.fedoraproject.org/rpms/rust-arraydeque.git /var/lib/mock/f45-build-40126-768/root/chroot_tmpdir/scmroot/rust-arraydeque
Cloning into '/var/lib/mock/f45-build-40126-768/root/chroot_tmpdir/scmroot/rust-arraydeque'...
$ git fetch origin 6dc87311f8c4309f7196068611f4537c2724364e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-arraydeque
 * [new ref]         6dc87311f8c4309f7196068611f4537c2724364e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6dc8731 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild