$ git clone -n https://src.fedoraproject.org/rpms/knotes.git /var/lib/mock/f40-build-2399506-60549/root/chroot_tmpdir/scmroot/knotes
Cloning into '/var/lib/mock/f40-build-2399506-60549/root/chroot_tmpdir/scmroot/knotes'...
$ git fetch origin f7349885700b3e346f06a3171e1f45ec784548c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knotes
 * [new ref]         f7349885700b3e346f06a3171e1f45ec784548c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f734988 24.01.95