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repl: add repl-flake experimental feature for gating

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This commit is contained in:
Tom Bereknyei 2022-05-20 08:20:00 -04:00
parent 0053dab43f
commit 7a04fb1c56
4 changed files with 6 additions and 4 deletions
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1
src/libutil/experimental-features.cc
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@ -13,6 +13,7 @@ std::map<ExperimentalFeature, std::string> stringifiedXpFeatures = {
{ Xp::RecursiveNix, "recursive-nix" },
{ Xp::NoUrlLiterals, "no-url-literals" },
{ Xp::FetchClosure, "fetch-closure" },
{ Xp::ReplFlake, "repl-flake" },
};
const std::optional<ExperimentalFeature> parseExperimentalFeature(const std::string_view & name)

1
src/libutil/experimental-features.hh
View file

@ -22,6 +22,7 @@ enum struct ExperimentalFeature
RecursiveNix,
NoUrlLiterals,
FetchClosure,
ReplFlake,
};
/**

2
src/nix/repl.cc
View file

@ -897,7 +897,7 @@ struct CmdRepl : InstallablesCommand
}
void prepare()
{
if (!settings.isExperimentalFeatureEnabled(Xp::Flakes) && !(file) && this->_installables.size() >= 1) {
if (!settings.isExperimentalFeatureEnabled(Xp::ReplFlake) && !(file) && this->_installables.size() >= 1) {
warn("future versions of Nix will require using `--file` to load a file");
if (this->_installables.size() > 1)
warn("more than one input file is not currently supported");