forked from lix-project/lix
Merge pull request #6027 from Ma27/pure-repl
repl: `--option pure-eval true` actually enables pure eval mode
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commit
798efdf10b
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@ -1039,6 +1039,11 @@ struct CmdRepl : StoreCommand, MixEvalArgs
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});
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}
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bool forceImpureByDefault() override
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{
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return true;
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}
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std::string description() override
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{
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return "start an interactive environment for evaluating Nix expressions";
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@ -1053,8 +1058,6 @@ struct CmdRepl : StoreCommand, MixEvalArgs
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void run(ref<Store> store) override
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{
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evalSettings.pureEval = false;
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auto evalState = make_ref<EvalState>(searchPath, store);
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auto repl = std::make_unique<NixRepl>(evalState);
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@ -25,6 +25,8 @@ public:
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/* Return a short one-line description of the command. */
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virtual std::string description() { return ""; }
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virtual bool forceImpureByDefault() { return false; }
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/* Return documentation about this command, in Markdown format. */
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virtual std::string doc() { return ""; }
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@ -380,6 +380,9 @@ void mainWrapped(int argc, char * * argv)
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settings.ttlPositiveNarInfoCache = 0;
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}
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if (args.command->second->forceImpureByDefault() && !evalSettings.pureEval.overridden) {
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evalSettings.pureEval = false;
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}
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args.command->second->prepare();
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args.command->second->run();
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}
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@ -42,6 +42,11 @@ testRepl () {
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echo "$replOutput"
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echo "$replOutput" | grep -qs "while evaluating the file" \
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|| fail "nix repl --show-trace doesn't show the trace"
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nix repl "${nixArgs[@]}" --option pure-eval true 2>&1 <<< "builtins.currentSystem" \
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| grep "attribute 'currentSystem' missing"
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nix repl "${nixArgs[@]}" 2>&1 <<< "builtins.currentSystem" \
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| grep "$(nix-instantiate --eval -E 'builtins.currentSystem')"
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}
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# Simple test, try building a drv
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