$ git clone -n https://src.fedoraproject.org/rpms/perl-RDF-Trine.git /var/lib/mock/f41-build-1108064-20090/root/chroot_tmpdir/scmroot/perl-RDF-Trine
Cloning into '/var/lib/mock/f41-build-1108064-20090/root/chroot_tmpdir/scmroot/perl-RDF-Trine'...
$ git fetch origin 5b7fb161671866b554791b98c76e16f9403dd20c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-RDF-Trine
 * [new ref]         5b7fb161671866b554791b98c76e16f9403dd20c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b7fb16 Eliminate use of obsolete %patchN syntax (#2283636)