$ git clone -n https://src.fedoraproject.org/rpms/waypipe.git /var/lib/mock/f40-build-771111-125915/root/chroot_tmpdir/scmroot/waypipe
Cloning into '/var/lib/mock/f40-build-771111-125915/root/chroot_tmpdir/scmroot/waypipe'...
$ git fetch origin c96811c60f9ec616e17ee90defb6ce789c4860b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/waypipe
 * [new ref]         c96811c60f9ec616e17ee90defb6ce789c4860b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c96811c Enable video support for non-RHEL (#2241572)