$ git clone -n https://src.fedoraproject.org/rpms/perl-Hash-Merge.git /var/lib/mock/f41-build-side-1-2781529-32531/root/chroot_tmpdir/scmroot/perl-Hash-Merge
Cloning into '/var/lib/mock/f41-build-side-1-2781529-32531/root/chroot_tmpdir/scmroot/perl-Hash-Merge'...
$ git fetch origin ceb02723a7aa3696693cd760dc5f140afd74afa4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Hash-Merge
 * [new ref]         ceb02723a7aa3696693cd760dc5f140afd74afa4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ceb0272 License is correct