$ git clone -n https://src.fedoraproject.org/rpms/python-fields.git /var/lib/mock/f39-build-1454059-32901/root/chroot_tmpdir/scmroot/python-fields
Cloning into '/var/lib/mock/f39-build-1454059-32901/root/chroot_tmpdir/scmroot/python-fields'...
$ git fetch origin f2a3dc6cbf94917e5e7cb859bb8485fe95e0c701:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fields
 * [new ref]         f2a3dc6cbf94917e5e7cb859bb8485fe95e0c701 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2a3dc6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild