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Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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John Ericson 2023-04-04 19:16:10 -04:00 committed by GitHub
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src/libutil/experimental-features.cc
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@ -17,11 +17,11 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.tag = Xp::CaDerivations, .tag = Xp::CaDerivations,
.name = "ca-derivations", .name = "ca-derivations",
.description = R"( .description = R"(
Allows derivations to be content-addressed in order to prevent rebuilds Allow derivations to be content-addressed in order to prevent rebuilds
when changes to the derivation do not result in changes to the when changes to the derivation do not result in changes to the
derivation's output. See derivation's output. See
[__contentAddressed](../language/advanced-attributes.md#adv-attr-__contentAddressed) [__contentAddressed](@docroot@/language/advanced-attributes.md#adv-attr-__contentAddressed)
for more info. for details.
)", )",
}, },
{ {
@ -37,18 +37,16 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.tag = Xp::Flakes, .tag = Xp::Flakes,
.name = "flakes", .name = "flakes",
.description = R"( .description = R"(
Allows for derivations to be packaged in flakes. See the manual entry for Enable flakes. See the manual entry for
[`nix flake`](../command-ref/new-cli/nix3-flake.md) or this [detailed [`nix flake`](../command-ref/new-cli/nix3-flake.md) for details.
introduction](https://www.tweag.io/blog/2020-05-25-flakes/) for more info.
)", )",
}, },
{ {
.tag = Xp::NixCommand, .tag = Xp::NixCommand,
.name = "nix-command", .name = "nix-command",
.description = R"( .description = R"(
Allows the usage of the new `nix` CLI subcommands, such as `nix build`, `nix Enable the new `nix` subcommands. See the manual on
develop`, `nix run`, etc. See the manual for [`nix`](@docroot@/command-ref/new-cli/nix.md) for details.
[`nix`](../command-ref/new-cli/nix.md) for more info.
)", )",
}, },
{ {
@ -73,17 +71,14 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.tag = Xp::FetchClosure, .tag = Xp::FetchClosure,
.name = "fetch-closure", .name = "fetch-closure",
.description = R"( .description = R"(
Enables the use of the `fetchClosure` function in the standard library. See Enable the use of the [`fetchClosure`](@docroot@/language/builtins.md#builtins-fetchClosure) built-in function in the Nix language.
the docs for [`fetchClosure`](../language/builtins.md#builtins-fetchClosure)
for more info.
)", )",
}, },
{ {
.tag = Xp::ReplFlake, .tag = Xp::ReplFlake,
.name = "repl-flake", .name = "repl-flake",
.description = R"( .description = R"(
Allows the user to enter a Nix REPL within a flake, e.g. `nix repl nixpkgs` Allow passing [installables](@docroot@/command-ref/new-cli/nix.md#installables) to `nix repl`, making its interface consistent with the other experimental commands.
or `nix repl .#foo`.
)", )",
}, },
{ {
@ -91,7 +86,7 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.name = "auto-allocate-uids", .name = "auto-allocate-uids",
.description = R"( .description = R"(
Allows Nix to automatically pick UIDs for builds, rather than creating Allows Nix to automatically pick UIDs for builds, rather than creating
`nixbld*` user accounts. See [here](#conf-auto-allocate-uids) for more info. `nixbld*` user accounts. See the [`auto-allocate-uids`](#conf-auto-allocate-uids) setting for details.
)", )",
}, },
{ {
@ -99,15 +94,15 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.name = "cgroups", .name = "cgroups",
.description = R"( .description = R"(
Allows Nix to execute builds inside cgroups. See Allows Nix to execute builds inside cgroups. See
[`use-cgroups`](#conf-use-cgroups) for more info. the [`use-cgroups`](#conf-use-cgroups) setting for details.
)", )",
}, },
{ {
.tag = Xp::DiscardReferences, .tag = Xp::DiscardReferences,
.name = "discard-references", .name = "discard-references",
.description = R"( .description = R"(
Enables the use of the `unsafeDiscardReferences` attribute in derivations Allow the use of the [`unsafeDiscardReferences`](@docroot@/language/advanced-attributes.html#adv-attr-unsafeDiscardReferences) attribute in derivations
that use structured attributes. This disables scanning of outputs for that use [structured attributes](@docroot@/language/advanced-attributes.html#adv-attr-structuredAttrs). This disables scanning of outputs for
runtime dependencies. runtime dependencies.
)", )",
}, },
@ -147,8 +142,14 @@ std::string_view showExperimentalFeature(const ExperimentalFeature tag)
std::string getExperimentalFeaturesList() { std::string getExperimentalFeaturesList() {
std::string experimentalFeaturesList = R"( std::string experimentalFeaturesList = R"(
Experimental Nix features to enable. Experimental features that can be enabled.
Current experimental features are the following:
Example:
```
experimental-features = nix-command flakes
Experimental features available:
)"; )";