$ git clone -n https://src.fedoraproject.org/rpms/four-in-a-row.git /var/lib/mock/f39-build-1533749-36229/root/chroot_tmpdir/scmroot/four-in-a-row
Cloning into '/var/lib/mock/f39-build-1533749-36229/root/chroot_tmpdir/scmroot/four-in-a-row'...
$ git fetch origin 6112fc12f814bba6b620982909017f4a7cbcf020:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/four-in-a-row
 * [new ref]         6112fc12f814bba6b620982909017f4a7cbcf020 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6112fc1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild