$ git clone -n https://src.fedoraproject.org/rpms/arpack.git /var/lib/mock/f41-build-side-1-2631876-25748/root/chroot_tmpdir/scmroot/arpack
Cloning into '/var/lib/mock/f41-build-side-1-2631876-25748/root/chroot_tmpdir/scmroot/arpack'...
$ git fetch origin 76f58bf36f9d2248ce7788f5a09c362f0254b71c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arpack
 * [new ref]         76f58bf36f9d2248ce7788f5a09c362f0254b71c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76f58bf convert license to SPDX