$ git clone -n https://src.fedoraproject.org/rpms/ilmbase.git /var/lib/mock/f41-build-side-1-2642467-26798/root/chroot_tmpdir/scmroot/ilmbase
Cloning into '/var/lib/mock/f41-build-side-1-2642467-26798/root/chroot_tmpdir/scmroot/ilmbase'...
$ git fetch origin 380599c95f1e3e3ee84d1acf155f24ece1537450:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ilmbase
 * [new ref]         380599c95f1e3e3ee84d1acf155f24ece1537450 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 380599c convert license to SPDX