$ git clone -n https://src.fedoraproject.org/rpms/python-pydantic.git /var/lib/mock/f42-build-3421917-45166/root/chroot_tmpdir/scmroot/python-pydantic
Cloning into '/var/lib/mock/f42-build-3421917-45166/root/chroot_tmpdir/scmroot/python-pydantic'...
$ git fetch origin 3771bf7b19d850a51fca3b2a3f51ae3a6c4d8d4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pydantic
 * [new ref]         3771bf7b19d850a51fca3b2a3f51ae3a6c4d8d4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3771bf7 Update to 2.10.6 (close RHBZ#2341876)