$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Package-RDF.git /var/lib/mock/f41-build-side-1-2781591-32531/root/chroot_tmpdir/scmroot/perl-Module-Package-RDF
Cloning into '/var/lib/mock/f41-build-side-1-2781591-32531/root/chroot_tmpdir/scmroot/perl-Module-Package-RDF'...
$ git fetch origin 4ab789b94237f89ecc103373f92851e8964984b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Package-RDF
 * [new ref]         4ab789b94237f89ecc103373f92851e8964984b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ab789b convert license to SPDX