$ git clone -n https://src.fedoraproject.org/rpms/libcanberra.git /var/lib/mock/f41-build-1045127-19054/root/chroot_tmpdir/scmroot/libcanberra
Cloning into '/var/lib/mock/f41-build-1045127-19054/root/chroot_tmpdir/scmroot/libcanberra'...
$ git fetch origin 4e8fff5d7d3a947fb368055368ad2dcdc99a077f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcanberra
 * [new ref]         4e8fff5d7d3a947fb368055368ad2dcdc99a077f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e8fff5 Eliminate use of obsolete %patchN syntax (#2283636)