forked from lix-project/lix
fetchClosure: Factor out attribute hint
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7b5ca7ebe2
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@ -16,11 +16,13 @@ static void prim_fetchClosure(EvalState & state, const PosIdx pos, Value * * arg
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for (auto & attr : *args[0]->attrs) {
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const auto & attrName = state.symbols[attr.name];
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auto attrHint = [&]() -> std::string {
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return "while evaluating the '" + attrName + "' attribute passed to builtins.fetchClosure";
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};
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if (attrName == "fromPath") {
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NixStringContext context;
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fromPath = state.coerceToStorePath(attr.pos, *attr.value, context,
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"while evaluating the 'fromPath' attribute passed to builtins.fetchClosure");
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fromPath = state.coerceToStorePath(attr.pos, *attr.value, context, attrHint());
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}
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else if (attrName == "toPath") {
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@ -28,14 +30,13 @@ static void prim_fetchClosure(EvalState & state, const PosIdx pos, Value * * arg
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toCA = true;
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if (attr.value->type() != nString || attr.value->string.s != std::string("")) {
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NixStringContext context;
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toPath = state.coerceToStorePath(attr.pos, *attr.value, context,
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"while evaluating the 'toPath' attribute passed to builtins.fetchClosure");
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toPath = state.coerceToStorePath(attr.pos, *attr.value, context, attrHint());
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}
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}
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else if (attrName == "fromStore")
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fromStoreUrl = state.forceStringNoCtx(*attr.value, attr.pos,
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"while evaluating the 'fromStore' attribute passed to builtins.fetchClosure");
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attrHint());
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else
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throw Error({
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