$ git clone -n https://src.fedoraproject.org/rpms/pentaho-reporting-flow-engine.git /var/lib/mock/f41-build-1280364-23185/root/chroot_tmpdir/scmroot/pentaho-reporting-flow-engine
Cloning into '/var/lib/mock/f41-build-1280364-23185/root/chroot_tmpdir/scmroot/pentaho-reporting-flow-engine'...
$ git fetch origin 92d145ddd0744b51ea60c4ec3931d4152bb18a30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pentaho-reporting-flow-engine
 * [new ref]         92d145ddd0744b51ea60c4ec3931d4152bb18a30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92d145d Eliminate use of obsolete %patchN syntax (#2283636)