forked from lix-project/lix
link "store derivation" to glossary definition
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@ -37,10 +37,12 @@ directory containing at least a file named `default.nix`.
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`nix-build` is essentially a wrapper around
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`nix-build` is essentially a wrapper around
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[`nix-instantiate`](nix-instantiate.md) (to translate a high-level Nix
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[`nix-instantiate`](nix-instantiate.md) (to translate a high-level Nix
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expression to a low-level store derivation) and [`nix-store
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expression to a low-level [store derivation]) and [`nix-store
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--realise`](nix-store.md#operation---realise) (to build the store
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--realise`](nix-store.md#operation---realise) (to build the store
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derivation).
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derivation).
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[store derivation]: ../glossary.md#gloss-store-derivation
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> **Warning**
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> **Warning**
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>
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>
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> The result of the build is automatically registered as a root of the
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> The result of the build is automatically registered as a root of the
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@ -47,7 +47,9 @@ authentication, you can avoid typing the passphrase with `ssh-agent`.
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Enable compression of the SSH connection.
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Enable compression of the SSH connection.
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- `--include-outputs`\
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- `--include-outputs`\
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Also copy the outputs of store derivations included in the closure.
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Also copy the outputs of [store derivation]s included in the closure.
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[store derivation]: ../../glossary.md#gloss-store-derivation
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- `--use-substitutes` / `-s`\
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- `--use-substitutes` / `-s`\
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Attempt to download missing paths on the target machine using Nix’s
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Attempt to download missing paths on the target machine using Nix’s
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@ -205,10 +205,12 @@ a number of possible ways:
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unambiguous way, which is necessary if there are multiple
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unambiguous way, which is necessary if there are multiple
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derivations with the same name.
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derivations with the same name.
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- If *args* are store derivations, then these are
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- If *args* are [store derivation]s, then these are
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[realised](nix-store.md#operation---realise), and the resulting output paths
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[realised](nix-store.md#operation---realise), and the resulting output paths
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are installed.
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are installed.
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[store derivation]: ../glossary.md#gloss-store-derivation
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- If *args* are store paths that are not store derivations, then these
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- If *args* are store paths that are not store derivations, then these
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are [realised](nix-store.md#operation---realise) and installed.
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are [realised](nix-store.md#operation---realise) and installed.
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@ -280,7 +282,7 @@ To copy the store path with symbolic name `gcc` from another profile:
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$ nix-env -i --from-profile /nix/var/nix/profiles/foo gcc
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$ nix-env -i --from-profile /nix/var/nix/profiles/foo gcc
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```
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```
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To install a specific store derivation (typically created by
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To install a specific [store derivation] (typically created by
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`nix-instantiate`):
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`nix-instantiate`):
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```console
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```console
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@ -665,7 +667,7 @@ derivation is shown unless `--no-name` is specified.
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Print the `system` attribute of the derivation.
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Print the `system` attribute of the derivation.
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- `--drv-path`\
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- `--drv-path`\
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Print the path of the store derivation.
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Print the path of the [store derivation].
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- `--out-path`\
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- `--out-path`\
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Print the output path of the derivation.
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Print the output path of the derivation.
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@ -17,13 +17,14 @@
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# Description
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# Description
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The command `nix-instantiate` generates [store
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The command `nix-instantiate` produces [store derivation]s from (high-level) Nix expressions.
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derivations](../glossary.md) from (high-level) Nix expressions. It
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It evaluates the Nix expressions in each of *files* (which defaults to
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evaluates the Nix expressions in each of *files* (which defaults to
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*./default.nix*). Each top-level expression should evaluate to a
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*./default.nix*). Each top-level expression should evaluate to a
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derivation, a list of derivations, or a set of derivations. The paths
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derivation, a list of derivations, or a set of derivations. The paths
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of the resulting store derivations are printed on standard output.
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of the resulting store derivations are printed on standard output.
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[store derivation]: ../glossary.md#gloss-store-derivation
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If *files* is the character `-`, then a Nix expression will be read from
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If *files* is the character `-`, then a Nix expression will be read from
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standard input.
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standard input.
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@ -79,8 +80,7 @@ standard input.
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# Examples
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# Examples
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Instantiating store derivations from a Nix expression, and building them
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Instantiate [store derivation]s from a Nix expression, and build them using `nix-store`:
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using `nix-store`:
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```console
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```console
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$ nix-instantiate test.nix (instantiate)
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$ nix-instantiate test.nix (instantiate)
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@ -137,8 +137,10 @@ or.
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## Examples
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## Examples
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This operation is typically used to build store derivations produced by
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This operation is typically used to build [store derivation]s produced by
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[`nix-instantiate`](nix-instantiate.md):
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[`nix-instantiate`](./nix-instantiate.md):
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[store derivation]: ../glossary.md#gloss-store-derivation
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```console
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```console
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$ nix-store -r $(nix-instantiate ./test.nix)
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$ nix-store -r $(nix-instantiate ./test.nix)
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@ -298,7 +300,7 @@ symlink.
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## Common query options
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## Common query options
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- `--use-output`; `-u`\
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- `--use-output`; `-u`\
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For each argument to the query that is a store derivation, apply the
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For each argument to the query that is a [store derivation], apply the
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query to the output path of the derivation instead.
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query to the output path of the derivation instead.
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- `--force-realise`; `-f`\
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- `--force-realise`; `-f`\
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@ -318,7 +320,7 @@ symlink.
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This query has one option:
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This query has one option:
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- `--include-outputs`
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- `--include-outputs`
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Also include the existing output paths of store derivations,
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Also include the existing output paths of [store derivation]s,
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and their closures.
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and their closures.
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This query can be used to implement various kinds of deployment. A
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This query can be used to implement various kinds of deployment. A
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@ -372,12 +374,12 @@ symlink.
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Prints the references graph of the store paths *paths* in the
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Prints the references graph of the store paths *paths* in the
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[GraphML](http://graphml.graphdrawing.org/) file format. This can be
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[GraphML](http://graphml.graphdrawing.org/) file format. This can be
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used to visualise dependency graphs. To obtain a build-time
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used to visualise dependency graphs. To obtain a build-time
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dependency graph, apply this to a store derivation. To obtain a
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dependency graph, apply this to a [store derivation]. To obtain a
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runtime dependency graph, apply it to an output path.
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runtime dependency graph, apply it to an output path.
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- `--binding` *name*; `-b` *name*\
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- `--binding` *name*; `-b` *name*\
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Prints the value of the attribute *name* (i.e., environment
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Prints the value of the attribute *name* (i.e., environment
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variable) of the store derivations *paths*. It is an error for a
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variable) of the [store derivation]s *paths*. It is an error for a
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derivation to not have the specified attribute.
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derivation to not have the specified attribute.
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- `--hash`\
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- `--hash`\
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@ -168,7 +168,7 @@ SourceExprCommand::SourceExprCommand(bool supportReadOnlyMode)
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addFlag({
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addFlag({
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.longName = "derivation",
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.longName = "derivation",
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.description = "Operate on the store derivation rather than its outputs.",
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.description = "Operate on the [store derivation](../../glossary.md#gloss-store-derivation) rather than its outputs.",
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.category = installablesCategory,
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.category = installablesCategory,
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.handler = {&operateOn, OperateOn::Derivation},
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.handler = {&operateOn, OperateOn::Derivation},
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});
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});
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@ -202,9 +202,11 @@ operate are determined as follows:
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a command like `nix shell nixpkgs#libxml2` will provide only those
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a command like `nix shell nixpkgs#libxml2` will provide only those
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two outputs by default.
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two outputs by default.
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Note that a store derivation (given by `.drv` file store path) doesn't have
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Note that a [store derivation] (given by its `.drv` file store path) doesn't have
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any attributes like `meta`, and thus this case doesn't apply to it.
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any attributes like `meta`, and thus this case doesn't apply to it.
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[store derivation]: ../../glossary.md#gloss-store-derivation
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* Otherwise, Nix will use all outputs of the derivation.
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* Otherwise, Nix will use all outputs of the derivation.
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# Nix stores
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# Nix stores
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@ -68,7 +68,9 @@ R""(
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]
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]
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```
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```
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* Print the path of the store derivation produced by `nixpkgs#hello`:
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* Print the path of the [store derivation] produced by `nixpkgs#hello`:
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[store derivation]: ../../glossary.md#gloss-store-derivation
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```console
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```console
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# nix path-info --derivation nixpkgs#hello
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# nix path-info --derivation nixpkgs#hello
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@ -2,9 +2,11 @@ R""(
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# Examples
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# Examples
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* Show the store derivation that results from evaluating the Hello
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* Show the [store derivation] that results from evaluating the Hello
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package:
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package:
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[store derivation]: ../../glossary.md#gloss-store-derivation
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```console
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```console
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# nix show-derivation nixpkgs#hello
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# nix show-derivation nixpkgs#hello
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{
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{
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@ -37,7 +39,7 @@ R""(
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# Description
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# Description
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This command prints on standard output a JSON representation of the
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This command prints on standard output a JSON representation of the
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store derivations to which *installables* evaluate. Store derivations
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[store derivation]s to which *installables* evaluate. Store derivations
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are used internally by Nix. They are store paths with extension `.drv`
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are used internally by Nix. They are store paths with extension `.drv`
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that represent the build-time dependency graph to which a Nix
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that represent the build-time dependency graph to which a Nix
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expression evaluates.
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expression evaluates.
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@ -18,7 +18,9 @@ R""(
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(The flag `--substituters ''` avoids querying
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(The flag `--substituters ''` avoids querying
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`https://cache.nixos.org` for the log.)
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`https://cache.nixos.org` for the log.)
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* To copy the log for a specific store derivation via SSH:
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* To copy the log for a specific [store derivation] via SSH:
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[store derivation]: ../../glossary.md#gloss-store-derivation
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```console
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```console
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# nix store copy-log --to ssh-ng://machine /nix/store/ilgm50plpmcgjhcp33z6n4qbnpqfhxym-glibc-2.33-59.drv
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# nix store copy-log --to ssh-ng://machine /nix/store/ilgm50plpmcgjhcp33z6n4qbnpqfhxym-glibc-2.33-59.drv
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