$ git clone -n https://src.fedoraproject.org/rpms/rust-flume.git /var/lib/mock/f40-build-2232198-53326/root/chroot_tmpdir/scmroot/rust-flume
Cloning into '/var/lib/mock/f40-build-2232198-53326/root/chroot_tmpdir/scmroot/rust-flume'...
$ git fetch origin 4af805ec6633945448668e010750f044a08da293:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-flume
 * [new ref]         4af805ec6633945448668e010750f044a08da293 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4af805e Update to 0.11.0