$ git clone -n https://src.fedoraproject.org/rpms/python-pyqtchart.git /var/lib/mock/f41-build-side-2-python-2738446-30846/root/chroot_tmpdir/scmroot/python-pyqtchart
Cloning into '/var/lib/mock/f41-build-side-2-python-2738446-30846/root/chroot_tmpdir/scmroot/python-pyqtchart'...
$ git fetch origin 4674602b47e065bfb06fe35ec6ef9d4386cdf8af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyqtchart
 * [new ref]         4674602b47e065bfb06fe35ec6ef9d4386cdf8af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4674602 convert GPLv3 license to SPDX