mirror of
https://github.com/NixOS/nix
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This is needed to avoid this https://github.com/mesonbuild/meson/issues/13774 when we go back to making our subproject directory `src`.
20 lines
702 B
Markdown
20 lines
702 B
Markdown
# Derivation "ATerm" file format
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For historical reasons, [derivations](@docroot@/glossary.md#gloss-store-derivation) are stored on-disk in [ATerm](https://homepages.cwi.nl/~daybuild/daily-books/technology/aterm-guide/aterm-guide.html) format.
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Derivations are serialised in one of the following formats:
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- ```
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Derive(...)
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```
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For all stable derivations.
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- ```
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DrvWithVersion(<version-string>, ...)
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```
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The only `version-string`s that are in use today are for [experimental features](@docroot@/development/experimental-features.md):
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- `"xp-dyn-drv"` for the [`dynamic-derivations`](@docroot@/development/experimental-features.md#xp-feature-dynamic-derivations) experimental feature.
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