$ git clone -n https://src.fedoraproject.org/rpms/itinerary.git /var/lib/mock/f42-build-3364881-45045/root/chroot_tmpdir/scmroot/itinerary
Cloning into '/var/lib/mock/f42-build-3364881-45045/root/chroot_tmpdir/scmroot/itinerary'...
$ git fetch origin 468c2310a6833a28124def28ed014ae6beadc092:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/itinerary
 * [new ref]         468c2310a6833a28124def28ed014ae6beadc092 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 468c231 24.12.3