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This commit is contained in:
Eelco Dolstra 2021-07-12 17:17:13 +02:00
parent e06c272c12
commit 02dff9e529
2 changed files with 14 additions and 16 deletions
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28
src/libstore/parsed-derivations.cc
View file

@ -126,6 +126,7 @@ bool ParsedDerivation::substitutesAllowed() const
}
static std::regex shVarName("[A-Za-z_][A-Za-z0-9_]*");
std::optional<nlohmann::json> ParsedDerivation::prepareStructuredAttrs(Store & store, const StorePathSet & inputPaths)
{
auto structuredAttrs = getStructuredAttrs();
@ -135,9 +136,8 @@ std::optional<nlohmann::json> ParsedDerivation::prepareStructuredAttrs(Store & s
/* Add an "outputs" object containing the output paths. */
nlohmann::json outputs;
for (auto & i : drv.outputs) {
for (auto & i : drv.outputs)
outputs[i.first] = hashPlaceholder(i.first);
}
json["outputs"] = outputs;
/* Handle exportReferencesGraph. */
@ -165,7 +165,7 @@ std::optional<nlohmann::json> ParsedDerivation::prepareStructuredAttrs(Store & s
namely, strings, integers, nulls, Booleans, and arrays and
objects consisting entirely of those values. (So nested
arrays or objects are not supported.) */
std::string writeStructuredAttrsShell(nlohmann::json & json)
std::string writeStructuredAttrsShell(const nlohmann::json & json)
{
auto handleSimpleType = [](const nlohmann::json & value) -> std::optional<std::string> {
@ -189,42 +189,40 @@ std::string writeStructuredAttrsShell(nlohmann::json & json)
std::string jsonSh;
for (auto i = json.begin(); i != json.end(); ++i) {
for (auto & [key, value] : json.items()) {
if (!std::regex_match(i.key(), shVarName)) continue;
auto & value = i.value();
if (!std::regex_match(key, shVarName)) continue;
auto s = handleSimpleType(value);
if (s)
jsonSh += fmt("declare %s=%s\n", i.key(), *s);
jsonSh += fmt("declare %s=%s\n", key, *s);
else if (value.is_array()) {
std::string s2;
bool good = true;
for (auto i = value.begin(); i != value.end(); ++i) {
auto s3 = handleSimpleType(i.value());
for (auto & value2 : value) {
auto s3 = handleSimpleType(value2);
if (!s3) { good = false; break; }
s2 += *s3; s2 += ' ';
}
if (good)
jsonSh += fmt("declare -a %s=(%s)\n", i.key(), s2);
jsonSh += fmt("declare -a %s=(%s)\n", key, s2);
}
else if (value.is_object()) {
std::string s2;
bool good = true;
for (auto i = value.begin(); i != value.end(); ++i) {
auto s3 = handleSimpleType(i.value());
for (auto & [key2, value2] : value.items()) {
auto s3 = handleSimpleType(value2);
if (!s3) { good = false; break; }
s2 += fmt("[%s]=%s ", shellEscape(i.key()), *s3);
s2 += fmt("[%s]=%s ", shellEscape(key2), *s3);
}
if (good)
jsonSh += fmt("declare -A %s=(%s)\n", i.key(), s2);
jsonSh += fmt("declare -A %s=(%s)\n", key, s2);
}
}

2
src/libstore/parsed-derivations.hh
View file

@ -40,6 +40,6 @@ public:
std::optional<nlohmann::json> prepareStructuredAttrs(Store & store, const StorePathSet & inputPaths);
};
std::string writeStructuredAttrsShell(nlohmann::json & json);
std::string writeStructuredAttrsShell(const nlohmann::json & json);
}