$ git clone -n https://src.fedoraproject.org/rpms/perl-RDF-TriN3.git /var/lib/mock/f45-build-26002-614/root/chroot_tmpdir/scmroot/perl-RDF-TriN3
Cloning into '/var/lib/mock/f45-build-26002-614/root/chroot_tmpdir/scmroot/perl-RDF-TriN3'...
$ git fetch origin 1c98081d982ba082cacb2c9e7f951d9a86678eb8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-RDF-TriN3
 * [new ref]         1c98081d982ba082cacb2c9e7f951d9a86678eb8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c98081 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild