$ git clone -n https://src.fedoraproject.org/rpms/perl-RDF-TriN3.git /var/lib/mock/f41-build-side-1-2807231-32872/root/chroot_tmpdir/scmroot/perl-RDF-TriN3
Cloning into '/var/lib/mock/f41-build-side-1-2807231-32872/root/chroot_tmpdir/scmroot/perl-RDF-TriN3'...
$ git fetch origin 0c29873a4c6e7cf29c4f006f6ec865fbab44bec3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-RDF-TriN3
 * [new ref]         0c29873a4c6e7cf29c4f006f6ec865fbab44bec3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c29873 convert license to SPDX