You can specify wildcard and glob patterns in digger.yml to include multiple directories into a project. A common use case for this is if you have multiple environment folders and they import from a common modules directory:

development/
  main.tf
production/
  main.tf
modules/
  shared_moduleA/
  dev_only_module/

The path of include / exclude patterns is relative to the digger.yml location - NOT the project location

If you wanted to trigger plans for all modules/ folder in both dev and prod projects you would include them in the include_patterns key. Similarly you put anything which you want to ignore in the exclude_patterns key ( exclude takes precedence over includes).

projects:
  - name: dev
    dir: ./development
    include_patterns: ["./modules/**"]
    workflow: default_workflow
  - name: prod
    dir: ./production
    include_patterns: ["./modules/**"]
    exclude_patterns: ["./modules/dev_only_module/**"]
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