$ git clone -n https://src.fedoraproject.org/rpms/psi.git /var/lib/mock/f39-build-1537327-36369/root/chroot_tmpdir/scmroot/psi
Cloning into '/var/lib/mock/f39-build-1537327-36369/root/chroot_tmpdir/scmroot/psi'...
$ git fetch origin e5cc0a66aab1dfc89d8fa28cb9d1f5b31d2dc031:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/psi
 * [new ref]         e5cc0a66aab1dfc89d8fa28cb9d1f5b31d2dc031 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5cc0a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild