$ git clone -n https://src.fedoraproject.org/rpms/khelpcenter.git /var/lib/mock/f42-build-3375756-45070/root/chroot_tmpdir/scmroot/khelpcenter
Cloning into '/var/lib/mock/f42-build-3375756-45070/root/chroot_tmpdir/scmroot/khelpcenter'...
$ git fetch origin 6d847e2dbe226f2b9648ed321396e995c17d7745:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/khelpcenter
 * [new ref]         6d847e2dbe226f2b9648ed321396e995c17d7745 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d847e2 24.12.3