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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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41
src/libutil/experimental-features.cc
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@ -17,11 +17,11 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.tag = Xp::CaDerivations,
.name = "ca-derivations",
.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
derivation's output. See
[__contentAddressed](../language/advanced-attributes.md#adv-attr-__contentAddressed)
for more info.
[__contentAddressed](@docroot@/language/advanced-attributes.md#adv-attr-__contentAddressed)
for details.
)",
},
{
@ -37,18 +37,16 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.tag = Xp::Flakes,
.name = "flakes",
.description = R"(
Allows for derivations to be packaged in flakes. See the manual entry for
[`nix flake`](../command-ref/new-cli/nix3-flake.md) or this [detailed
introduction](https://www.tweag.io/blog/2020-05-25-flakes/) for more info.
Enable flakes. See the manual entry for
[`nix flake`](../command-ref/new-cli/nix3-flake.md) for details.
)",
},
{
.tag = Xp::NixCommand,
.name = "nix-command",
.description = R"(
Allows the usage of the new `nix` CLI subcommands, such as `nix build`, `nix
develop`, `nix run`, etc. See the manual for
[`nix`](../command-ref/new-cli/nix.md) for more info.
Enable the new `nix` subcommands. See the manual on
[`nix`](@docroot@/command-ref/new-cli/nix.md) for details.
)",
},
{
@ -73,17 +71,14 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.tag = Xp::FetchClosure,
.name = "fetch-closure",
.description = R"(
Enables the use of the `fetchClosure` function in the standard library. See
the docs for [`fetchClosure`](../language/builtins.md#builtins-fetchClosure)
for more info.
Enable the use of the [`fetchClosure`](@docroot@/language/builtins.md#builtins-fetchClosure) built-in function in the Nix language.
)",
},
{
.tag = Xp::ReplFlake,
.name = "repl-flake",
.description = R"(
Allows the user to enter a Nix REPL within a flake, e.g. `nix repl nixpkgs`
or `nix repl .#foo`.
Allow passing [installables](@docroot@/command-ref/new-cli/nix.md#installables) to `nix repl`, making its interface consistent with the other experimental commands.
)",
},
{
@ -91,7 +86,7 @@ constexpr std::array<ExperimentalFeatureDetails, 11> xpFeatureDetails = {{
.name = "auto-allocate-uids",
.description = R"(
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",
.description = R"(
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,
.name = "discard-references",
.description = R"(
Enables the use of the `unsafeDiscardReferences` attribute in derivations
that use structured attributes. This disables scanning of outputs for
Allow the use of the [`unsafeDiscardReferences`](@docroot@/language/advanced-attributes.html#adv-attr-unsafeDiscardReferences) attribute in derivations
that use [structured attributes](@docroot@/language/advanced-attributes.html#adv-attr-structuredAttrs). This disables scanning of outputs for
runtime dependencies.
)",
},
@ -147,8 +142,14 @@ std::string_view showExperimentalFeature(const ExperimentalFeature tag)
std::string getExperimentalFeaturesList() {
std::string experimentalFeaturesList = R"(
Experimental Nix features to enable.
Current experimental features are the following:
Experimental features that can be enabled.
Example:
```
experimental-features = nix-command flakes
Experimental features available:
)";