[pdal-commits] [PDAL/PDAL] 3ded27: Detect filter-only pipeline. (#3419)

[Andrew Bell]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: 3ded270b5aaeff4a0d30bd399728c8df844073b3
      https://github.com/PDAL/PDAL/commit/3ded270b5aaeff4a0d30bd399728c8df844073b3
  Author: Andrew Bell <andrew.bell.ia at gmail.com>
  Date:   2021-04-12 (Mon, 12 Apr 2021)

  Changed paths:
    M kernels/PipelineKernel.cpp
    M pdal/PipelineManager.cpp
    M pdal/PipelineManager.hpp
    A test/data/pipeline/filter-only.json.in
    M test/data/pipeline/issue2937.json.in
    M test/unit/apps/pcpipelineTestJSON.cpp

  Log Message:
  -----------
  Detect filter-only pipeline. (#3419)

* Make sure when we run a pipeline without a reader.

* Add missed test file.

* Add input file to satisfy new pipeline requirement.