Merge pull request #6027 from Ma27/pure-repl

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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@ -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);

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@ -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 ""; }

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@ -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();
}

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@ -42,6 +42,11 @@ testRepl () {
echo "$replOutput"
echo "$replOutput" | grep -qs "while evaluating the file" \
|| fail "nix repl --show-trace doesn't show the trace"
nix repl "${nixArgs[@]}" --option pure-eval true 2>&1 <<< "builtins.currentSystem" \
| grep "attribute 'currentSystem' missing"
nix repl "${nixArgs[@]}" 2>&1 <<< "builtins.currentSystem" \
| grep "$(nix-instantiate --eval -E 'builtins.currentSystem')"
}
# Simple test, try building a drv