$ git clone -n https://src.fedoraproject.org/rpms/kf5-kross.git /var/lib/mock/f40-build-743724-111387/root/chroot_tmpdir/scmroot/kf5-kross
Cloning into '/var/lib/mock/f40-build-743724-111387/root/chroot_tmpdir/scmroot/kf5-kross'...
$ git fetch origin c4553abd9a25072ced433af5f18f3c6103ad284e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kross
 * [new ref]         c4553abd9a25072ced433af5f18f3c6103ad284e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4553ab 5.111.0