$ git clone -n https://src.fedoraproject.org/rpms/python-pydantic.git /var/lib/mock/f40-build-2383585-60477/root/chroot_tmpdir/scmroot/python-pydantic
Cloning into '/var/lib/mock/f40-build-2383585-60477/root/chroot_tmpdir/scmroot/python-pydantic'...
$ git fetch origin 84aaa5cc71654b87d9dd67d32335943605a77950:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pydantic
 * [new ref]         84aaa5cc71654b87d9dd67d32335943605a77950 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84aaa5c Update to 2.6.1. Fixes rhbz#2261885