$ git clone -n https://src.fedoraproject.org/rpms/python-pydantic-core.git /var/lib/mock/f40-build-2246693-53836/root/chroot_tmpdir/scmroot/python-pydantic-core
Cloning into '/var/lib/mock/f40-build-2246693-53836/root/chroot_tmpdir/scmroot/python-pydantic-core'...
$ git fetch origin 618fb463445207f36b37fdc3378f974765af8d7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pydantic-core
 * [new ref]         618fb463445207f36b37fdc3378f974765af8d7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 618fb46 Update to 2.14.6.