$ git clone -n https://src.fedoraproject.org/rpms/helix.git /var/lib/mock/f41-build-820129-152085/root/chroot_tmpdir/scmroot/helix
Cloning into '/var/lib/mock/f41-build-820129-152085/root/chroot_tmpdir/scmroot/helix'...
$ git fetch origin 4b8f69226fb0ce2482313371b64baf8d4348c9a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/helix
 * [new ref]         4b8f69226fb0ce2482313371b64baf8d4348c9a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b8f692 Update to version 24.07 (rhbz#2297864)