$ git clone -n https://src.fedoraproject.org/rpms/python-fields.git /var/lib/mock/f40-build-2351315-60182/root/chroot_tmpdir/scmroot/python-fields
Cloning into '/var/lib/mock/f40-build-2351315-60182/root/chroot_tmpdir/scmroot/python-fields'...
$ git fetch origin fab0dd2d54b6100c67ae670cede6ae2c88a1399b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fields
 * [new ref]         fab0dd2d54b6100c67ae670cede6ae2c88a1399b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fab0dd2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild