$ git clone -n https://src.fedoraproject.org/rpms/python-pydantic-core.git /var/lib/mock/f41-build-745756-13350/root/chroot_tmpdir/scmroot/python-pydantic-core
Cloning into '/var/lib/mock/f41-build-745756-13350/root/chroot_tmpdir/scmroot/python-pydantic-core'...
$ git fetch origin 4238813f77c42025d4532fc5089c30f42dfaa9de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pydantic-core
 * [new ref]         4238813f77c42025d4532fc5089c30f42dfaa9de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4238813 Update to 2.18.3