$ git clone -n https://src.fedoraproject.org/rpms/python-yapf.git /var/lib/mock/f39-build-1616043-38643/root/chroot_tmpdir/scmroot/python-yapf
Cloning into '/var/lib/mock/f39-build-1616043-38643/root/chroot_tmpdir/scmroot/python-yapf'...
$ git fetch origin dd3c8b07c488944929ed1ddd33c6662e25215cae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-yapf
 * [new ref]         dd3c8b07c488944929ed1ddd33c6662e25215cae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd3c8b0 Add Packit config