$ git clone -n https://src.fedoraproject.org/rpms/kmouth.git /var/lib/mock/f40-build-764188-122865/root/chroot_tmpdir/scmroot/kmouth
Cloning into '/var/lib/mock/f40-build-764188-122865/root/chroot_tmpdir/scmroot/kmouth'...
$ git fetch origin ce12cc75237118ff900bebc89aa5b415371cb9a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmouth
 * [new ref]         ce12cc75237118ff900bebc89aa5b415371cb9a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce12cc7 24.01.80