Snapcraft 2.23 restricts dump plugin capability

[Joe Coates]

My snap includes a part which has an unconventional build process (which I don't control).  It builds and arranges a lot of stuff that I don't need.  For a while now I have been using a second part with the dump plugin to pick the files I need out of the build tree of the first part, and create directories and files in the snap exactly as I need them.  The yaml goes like below.   Unfortunately this breaks as of snapcraft 2.23, which seems to check the dump source path before the first part is built, and fails.   Any suggestions as to how I can achieve the previous function with the current dump plugin ?  (Using the organize keyword in the first part does not seem to be able to create directories in the install tree).


   part-aa:
    source: git at giteng1:part-aa
    source-type: git
    plugin: autotools
# Don't include anything from here in the snap (done in next part)
    stage: [ "-*" ]
    snap: [ "-*" ]

# This part just installs from the build tree of part-aa to the snap
  aa-snap:
    source: ./parts/part-aa/build
    after: [part-aa]
    plugin: dump
    organize:
      client/client: usr/bin/myclient
      other/observer: usr/bin/myobserver
      datafiles/client-1: etc/myclient/
      datafiles/client-2: etc/myclient/
      datafiles/observer-id: etc/myobserver/
    snap:
      - usr/bin
      - etc


Thanks,
Joe Coates

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