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Valentin Gagarin 2023-09-26 00:39:11 +02:00
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8
doc/manual/src/command-ref/nix-store/realise.md
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@ -15,8 +15,12 @@ Each of *paths* is processed as follows:
1. If it is not [valid], substitute the store derivation file itself.
2. Realise its [output paths]:
- Try to fetch from [substituters] the [store objects] associated with the output paths in the store derivation's [closure].
- With [content-addressed derivations] (experimental): Determine the output paths to realise by querying content-addressed realisation entries in the [Nix database].
- For any store paths that cannot be substituted, produce the required store objects. This involves first realising all outputs of the derivation's dependencies and then running the derivation's [`builder`](@docroot@/language/derivations.md#attr-builder) executable. <!-- TODO: Link to build process page #8888 -->
- With [content-addressed derivations] (experimental):
Determine the output paths to realise by querying content-addressed realisation entries in the [Nix database].
- For any store paths that cannot be substituted, produce the required store objects:
1. Realise all outputs of the derivation's dependencies
2. Run the derivation's [`builder`](@docroot@/language/derivations.md#attr-builder) executable
<!-- TODO: Link to build process page #8888 -->
- Otherwise, and if the path is not already valid: Try to fetch the associated [store objects] in the path's [closure] from [substituters].
If no substitutes are available and no store derivation is given, realisation fails.

10
doc/manual/src/glossary.md
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@ -33,11 +33,15 @@
Ensure a [store path] is [valid][validity].
This means either running the [`builder`](@docroot@/language/derivations.md#attr-builder) executable as specified in the corresponding [derivation], or fetching a pre-built [store object] from a [substituter], or delegating to a [remote builder](@docroot@/advanced-topics/distributed-builds.html) and retrieving the outputs. <!-- TODO: link [running] to build process page, #8888 -->
This can be achieved by:
- Fetching a pre-built [store object] from a [substituter]
- Running the [`builder`](@docroot@/language/derivations.md#attr-builder) executable as specified in the corresponding [derivation]
- Delegating to a [remote builder](@docroot@/advanced-topics/distributed-builds.html) and retrieving the outputs
<!-- TODO: link [running] to build process page, #8888 -->
See [`nix-build`](./command-ref/nix-build.md) and [`nix-store --realise`](@docroot@/command-ref/nix-store/realise.md).
See [`nix-store --realise`](@docroot@/command-ref/nix-store/realise.md) for a detailed description of the algorithm.
See [`nix build`](./command-ref/new-cli/nix3-build.md) (experimental).
See also [`nix-build`](./command-ref/nix-build.md) and [`nix build`](./command-ref/new-cli/nix3-build.md) (experimental).
[realise]: #gloss-realise