$ git clone -n https://src.fedoraproject.org/rpms/kf5-akonadi-contacts.git /var/lib/mock/f39-build-1923700-43009/root/chroot_tmpdir/scmroot/kf5-akonadi-contacts
Cloning into '/var/lib/mock/f39-build-1923700-43009/root/chroot_tmpdir/scmroot/kf5-akonadi-contacts'...
$ git fetch origin 677684a0107726f6381d6043e9dab5fbbeb2125b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-akonadi-contacts
 * [new ref]         677684a0107726f6381d6043e9dab5fbbeb2125b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 677684a 23.08.3