$ git clone -n https://src.fedoraproject.org/rpms/python-compreffor.git /var/lib/mock/f40-build-770884-125901/root/chroot_tmpdir/scmroot/python-compreffor
Cloning into '/var/lib/mock/f40-build-770884-125901/root/chroot_tmpdir/scmroot/python-compreffor'...
$ git fetch origin fa77f11a4459b4704a24a77f3251e8f612a50a6a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-compreffor
 * [new ref]         fa77f11a4459b4704a24a77f3251e8f612a50a6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa77f11 Assert that %pyproject_files contains a license file