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fetchClosure: Factor out attribute hint

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This commit is contained in:
Robert Hensing 2023-05-19 09:49:18 +02:00
parent 7b5ca7ebe2
commit 0f6d596df5
1 changed files with 6 additions and 5 deletions
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11
src/libexpr/primops/fetchClosure.cc
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@ -16,11 +16,13 @@ static void prim_fetchClosure(EvalState & state, const PosIdx pos, Value * * arg
for (auto & attr : *args[0]->attrs) {
const auto & attrName = state.symbols[attr.name];
auto attrHint = [&]() -> std::string {
return "while evaluating the '" + attrName + "' attribute passed to builtins.fetchClosure";
};
if (attrName == "fromPath") {
NixStringContext context;
fromPath = state.coerceToStorePath(attr.pos, *attr.value, context,
"while evaluating the 'fromPath' attribute passed to builtins.fetchClosure");
fromPath = state.coerceToStorePath(attr.pos, *attr.value, context, attrHint());
}
else if (attrName == "toPath") {
@ -28,14 +30,13 @@ static void prim_fetchClosure(EvalState & state, const PosIdx pos, Value * * arg
toCA = true;
if (attr.value->type() != nString || attr.value->string.s != std::string("")) {
NixStringContext context;
toPath = state.coerceToStorePath(attr.pos, *attr.value, context,
"while evaluating the 'toPath' attribute passed to builtins.fetchClosure");
toPath = state.coerceToStorePath(attr.pos, *attr.value, context, attrHint());
}
}
else if (attrName == "fromStore")
fromStoreUrl = state.forceStringNoCtx(*attr.value, attr.pos,
"while evaluating the 'fromStore' attribute passed to builtins.fetchClosure");
attrHint());
else
throw Error({