$ git clone -n https://src.fedoraproject.org/rpms/python-pydantic.git /var/lib/mock/f40-build-2052142-49063/root/chroot_tmpdir/scmroot/python-pydantic
Cloning into '/var/lib/mock/f40-build-2052142-49063/root/chroot_tmpdir/scmroot/python-pydantic'...
$ git fetch origin 5c059cd68fb67fded8b7e37c966bcb0bd9db00b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pydantic
 * [new ref]         5c059cd68fb67fded8b7e37c966bcb0bd9db00b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c059cd Update to 2.4.2. Fixes rhbz#2157134.