$ git clone -n https://src.fedoraproject.org/rpms/knotes.git /var/lib/mock/f40-build-2704800-70982/root/chroot_tmpdir/scmroot/knotes
Cloning into '/var/lib/mock/f40-build-2704800-70982/root/chroot_tmpdir/scmroot/knotes'...
$ git fetch origin fce20172a3995d32d9bb9c4a7f5efcff0cf034f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knotes
 * [new ref]         fce20172a3995d32d9bb9c4a7f5efcff0cf034f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fce2017 24.02.1