$ git clone -n https://src.fedoraproject.org/rpms/gotun.git /var/lib/mock/f39-build-2353816-60256/root/chroot_tmpdir/scmroot/gotun
Cloning into '/var/lib/mock/f39-build-2353816-60256/root/chroot_tmpdir/scmroot/gotun'...
$ git fetch origin 097768af2364980453ab734d12d29bdb5d0ae4ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gotun
 * [new ref]         097768af2364980453ab734d12d29bdb5d0ae4ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 097768a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild