Jeff McCune 07cd8737b0 artifact: write multiple files if path ends in a / ...

To properly support the kubectl-slice use case the Artifact map needs to
write multiple files out to the filesystem.  This needs to be dynamic in
the sense holos and the end user don't know what files the kubectl-slice
transformer is producing.

As a hack, which may actually turn out to be "good enough" this patch
makes the Slice transformer behave like so:

1. Execute kubectl-slice outputting to an empty temp directory.
2. Holos saves all files in this directory into the artifact map.
3. At the end of the Artifact pipeline, if the final artifact produced
   ends in a /, then all keys in the artifact map having the prefix are
   written to the output directory.

This should be sufficient for the use case, but we'll need to consider
how this transformer and apporach works when subsequent transformers are
used in the pipeline.  I haven't thought deeply about it, but it should
ideally work pretty well if the tools involved truly only care about
directories and not the files within the directory.

2025-02-27 14:37:44 -08:00

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