Merge pull request #8322 from tweag/stabilize-discard-references

Stabilize `discard-references`

src/libstore/build/local-derivation-goal.cc

@@ -2307,7 +2307,6 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
         bool discardReferences = false;
         if (auto structuredAttrs = parsedDrv->getStructuredAttrs()) {
             if (auto udr = get(*structuredAttrs, "unsafeDiscardReferences")) {
-                experimentalFeatureSettings.require(Xp::DiscardReferences);
                 if (auto output = get(*udr, outputName)) {
                     if (!output->is_boolean())
                         throw Error("attribute 'unsafeDiscardReferences.\"%s\"' of derivation '%s' must be a Boolean", outputName, drvPath.to_string());

src/libutil/experimental-features.cc

@@ -12,7 +12,7 @@ struct ExperimentalFeatureDetails
     std::string_view description;
 };
 
-constexpr std::array<ExperimentalFeatureDetails, 15> xpFeatureDetails = {{
+constexpr std::array<ExperimentalFeatureDetails, 14> xpFeatureDetails = {{
     {
         .tag = Xp::CaDerivations,
         .name = "ca-derivations",
@@ -182,15 +182,6 @@ constexpr std::array<ExperimentalFeatureDetails, 15> xpFeatureDetails = {{
             the [`use-cgroups`](#conf-use-cgroups) setting for details.
         )",
     },
-    {
-        .tag = Xp::DiscardReferences,
-        .name = "discard-references",
-        .description = R"(
-            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.
-        )",
-    },
     {
         .tag = Xp::DaemonTrustOverride,
         .name = "daemon-trust-override",

src/libutil/experimental-features.hh

@@ -27,7 +27,6 @@ enum struct ExperimentalFeature
     ReplFlake,
     AutoAllocateUids,
     Cgroups,
-    DiscardReferences,
     DaemonTrustOverride,
     DynamicDerivations,
     ParseTomlTimestamps,