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Merge pull request #6027 from Ma27/pure-repl

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repl: `--option pure-eval true` actually enables pure eval mode
This commit is contained in:
Eelco Dolstra 2022-06-13 16:11:46 +02:00 • committed by GitHub
commit 798efdf10b
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4 changed files with 15 additions and 2 deletions
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7
src/libcmd/repl.cc
View file

@ -1039,6 +1039,11 @@ struct CmdRepl : StoreCommand, MixEvalArgs
});
}
bool forceImpureByDefault() override
{
return true;
}
std::string description() override
{
return "start an interactive environment for evaluating Nix expressions";
@ -1053,8 +1058,6 @@ struct CmdRepl : StoreCommand, MixEvalArgs
void run(ref<Store> store) override
{
evalSettings.pureEval = false;
auto evalState = make_ref<EvalState>(searchPath, store);
auto repl = std::make_unique<NixRepl>(evalState);

2
src/libutil/args.hh
View file

@ -25,6 +25,8 @@ public:
/* Return a short one-line description of the command. */
virtual std::string description() { return ""; }
virtual bool forceImpureByDefault() { return false; }
/* Return documentation about this command, in Markdown format. */
virtual std::string doc() { return ""; }

3
src/nix/main.cc
View file

@ -380,6 +380,9 @@ void mainWrapped(int argc, char * * argv)
settings.ttlPositiveNarInfoCache = 0;
}
if (args.command->second->forceImpureByDefault() && !evalSettings.pureEval.overridden) {
evalSettings.pureEval = false;
}
args.command->second->prepare();
args.command->second->run();
}