$ git clone -n https://src.fedoraproject.org/rpms/python-helpdev.git /var/lib/mock/f40-build-2188014-51394/root/chroot_tmpdir/scmroot/python-helpdev
Cloning into '/var/lib/mock/f40-build-2188014-51394/root/chroot_tmpdir/scmroot/python-helpdev'...
$ git fetch origin 2f508bb732692308a9734a846cf50fbff3b03850:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-helpdev
 * [new ref]         2f508bb732692308a9734a846cf50fbff3b03850 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f508bb Assert that %pyproject_files contains a license file