Including text files to embed with Cabal

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I've got a library I'm building that includes a few very large strings using Template Haskell and file-embed.

I'm wondering, how do I ensure these files are included when I run Cabal dist?

The are all in a folder called core, but some are within subdirectories of core.

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Mikhail Glushenkov On BEST ANSWER

Cabal has an extra-source-files field precisely for these kinds of scenarios:

Extra-source-files: relative/path/to/my/embedded-file.txt

Quoting the Cabal User Guide:

extra-source-files: filename list

A list of additional files to be included in source distributions built with setup sdist.

As withdata-filesit can use a limited form of wildcards in file names.