$ git clone -n https://src.fedoraproject.org/rpms/waypipe.git /var/lib/mock/f41-build-851856-166100/root/chroot_tmpdir/scmroot/waypipe
Cloning into '/var/lib/mock/f41-build-851856-166100/root/chroot_tmpdir/scmroot/waypipe'...
$ git fetch origin 146e6ced2ab78db970af7ded51decd929b240666:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/waypipe
 * [new ref]         146e6ced2ab78db970af7ded51decd929b240666 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 146e6ce Update to 0.9.1 by merging the f40 branch back into rawhide