$ git clone -n https://src.fedoraproject.org/rpms/sweeper.git /var/lib/mock/f39-build-1566493-37589/root/chroot_tmpdir/scmroot/sweeper
Cloning into '/var/lib/mock/f39-build-1566493-37589/root/chroot_tmpdir/scmroot/sweeper'...
$ git fetch origin d62641c1fbcd1642eb0b19b32c5c286ed9b961d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sweeper
 * [new ref]         d62641c1fbcd1642eb0b19b32c5c286ed9b961d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d62641c 23.08.2