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32 lines
1.1 KiB
Markdown
32 lines
1.1 KiB
Markdown
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# Hacking on the modules
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## Easiest option
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The module system does not distinguish between modules and configurations.
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This mean you can prototype any feature by factoring out functionality in a real-world project.
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## Changing the built-in modules
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If your change is not just an addition or if it's better implemented by refactoring, you'll want to fork and edit arion sources directly.
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For a fast iteration cycle (but possibly outdated arion command logic):
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~/src/arion/run-arion-quick up -d
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To update the arion command logic on the next run
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rm ~/src/arion/result-run-arion-quick
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# Hacking on the arion command
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The arion command is written in Haskell. Anyone can make small changes to the code.
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Experience with Haskell tooling is not required. You can use the nixified scripts in the root of the repo for common tasks.
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- `build` or `live-check` for typechecking
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- `live-unit-tests` (only the test suite is "live" though)
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- `repl` for a Haskell REPL
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- `run-arion` to run an incrementally built arion
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- `run-arion-via-nix` to run a nix-built arion
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- ~~`run-arion-quick`~~ *not for command hacking;* use stale command. See previous section.
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