$ git clone -n https://src.fedoraproject.org/rpms/libharu.git /var/lib/mock/f41-build-1152505-21302/root/chroot_tmpdir/scmroot/libharu
Cloning into '/var/lib/mock/f41-build-1152505-21302/root/chroot_tmpdir/scmroot/libharu'...
$ git fetch origin 6a623d36e3c1d599f176c54c3df69cf8e9e6f71f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libharu
 * [new ref]         6a623d36e3c1d599f176c54c3df69cf8e9e6f71f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a623d3 Eliminate use of obsolete %patchN syntax (#2283636)