$ git clone -n https://src.fedoraproject.org/rpms/kapptemplate.git /var/lib/mock/f41-build-side-1-3050300-37971/root/chroot_tmpdir/scmroot/kapptemplate
Cloning into '/var/lib/mock/f41-build-side-1-3050300-37971/root/chroot_tmpdir/scmroot/kapptemplate'...
$ git fetch origin fff26919f1043fd18416f29f5f170171a60de6da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kapptemplate
 * [new ref]         fff26919f1043fd18416f29f5f170171a60de6da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fff2691 24.08.2