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add nix-store --query --valid-derivers command
notably useful when nix-store --query --deriver returns a non-existing path. Co-authored-by: Felix Uhl <iFreilicht@users.noreply.github.com>
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# Synopsis
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`nix-store` {`--query` | `-q`}
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{`--outputs` | `--requisites` | `-R` | `--references` |
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`--referrers` | `--referrers-closure` | `--deriver` | `-d` |
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{`--outputs` | `--requisites` | `-R` | `--references` | `--referrers` |
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`--referrers-closure` | `--deriver` | `-d` | `--valid-derivers` |
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`--graph` | `--tree` | `--binding` *name* | `-b` *name* | `--hash` |
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`--size` | `--roots`}
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[`--use-output`] [`-u`] [`--force-realise`] [`-f`]
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@ -82,13 +82,21 @@ symlink.
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in the Nix store that are dependent on *paths*.
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- `--deriver`; `-d`\
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Prints the [deriver] of the store paths *paths*. If
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Prints the [deriver] that was used to build the store paths *paths*. If
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the path has no deriver (e.g., if it is a source file), or if the
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deriver is not known (e.g., in the case of a binary-only
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deployment), the string `unknown-deriver` is printed.
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The returned deriver is not guaranteed to exist in the local store, for
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example when *paths* were substituted from a binary cache.
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Use `--valid-derivers` instead to obtain valid paths only.
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[deriver]: ../../glossary.md#gloss-deriver
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- `--valid-derivers`\
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Prints a set of derivation files (`.drv`) which are supposed produce
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said paths when realized. Might print nothing, for example for source paths
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or paths subsituted from a binary cache.
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- `--graph`\
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Prints the references graph of the store paths *paths* in the format
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of the `dot` tool of AT\&T's [Graphviz
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