$ git clone -n https://src.fedoraproject.org/rpms/librist.git /var/lib/mock/f39-build-1501117-34819/root/chroot_tmpdir/scmroot/librist
Cloning into '/var/lib/mock/f39-build-1501117-34819/root/chroot_tmpdir/scmroot/librist'...
$ git fetch origin 09320b42d05186a6ca4dd32efba9656e7b2871d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/librist
 * [new ref]         09320b42d05186a6ca4dd32efba9656e7b2871d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09320b4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild