$ git clone -n https://src.fedoraproject.org/rpms/python-configargparse.git /var/lib/mock/f42-build-side-1-3586532-46923/root/chroot_tmpdir/scmroot/python-configargparse
Cloning into '/var/lib/mock/f42-build-side-1-3586532-46923/root/chroot_tmpdir/scmroot/python-configargparse'...
$ git fetch origin a1104ea580f3b368fb94c54ea4eec4f0e7e57db9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-configargparse
 * [new ref]         a1104ea580f3b368fb94c54ea4eec4f0e7e57db9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1104ea Use the provisional pyproject declarative buildsystem