$ git clone -n https://src.fedoraproject.org/rpms/menulibre.git /var/lib/mock/f41-build-side-2-python-2688453-30181/root/chroot_tmpdir/scmroot/menulibre
Cloning into '/var/lib/mock/f41-build-side-2-python-2688453-30181/root/chroot_tmpdir/scmroot/menulibre'...
$ git fetch origin 81e9d429abb1a5cc16d8540050f261e8b227f3f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/menulibre
 * [new ref]         81e9d429abb1a5cc16d8540050f261e8b227f3f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81e9d42 convert GPLv3 license to SPDX