diff options
Diffstat (limited to 'third_party/nix/src/libstore/parsed-derivations.cc')
| -rw-r--r-- | third_party/nix/src/libstore/parsed-derivations.cc | 180 |
1 files changed, 90 insertions, 90 deletions
diff --git a/third_party/nix/src/libstore/parsed-derivations.cc b/third_party/nix/src/libstore/parsed-derivations.cc index 87be8a24ead6..6a8c235a0c17 100644 --- a/third_party/nix/src/libstore/parsed-derivations.cc +++ b/third_party/nix/src/libstore/parsed-derivations.cc @@ -2,115 +2,115 @@ namespace nix { -ParsedDerivation::ParsedDerivation(const Path & drvPath, BasicDerivation & drv) - : drvPath(drvPath), drv(drv) -{ - /* Parse the __json attribute, if any. */ - auto jsonAttr = drv.env.find("__json"); - if (jsonAttr != drv.env.end()) { - try { - structuredAttrs = nlohmann::json::parse(jsonAttr->second); - } catch (std::exception & e) { - throw Error("cannot process __json attribute of '%s': %s", drvPath, e.what()); - } +ParsedDerivation::ParsedDerivation(const Path& drvPath, BasicDerivation& drv) + : drvPath(drvPath), drv(drv) { + /* Parse the __json attribute, if any. */ + auto jsonAttr = drv.env.find("__json"); + if (jsonAttr != drv.env.end()) { + try { + structuredAttrs = nlohmann::json::parse(jsonAttr->second); + } catch (std::exception& e) { + throw Error("cannot process __json attribute of '%s': %s", drvPath, + e.what()); } + } } -std::optional<std::string> ParsedDerivation::getStringAttr(const std::string & name) const -{ - if (structuredAttrs) { - auto i = structuredAttrs->find(name); - if (i == structuredAttrs->end()) - return {}; - else { - if (!i->is_string()) - throw Error("attribute '%s' of derivation '%s' must be a string", name, drvPath); - return i->get<std::string>(); - } - } else { - auto i = drv.env.find(name); - if (i == drv.env.end()) - return {}; - else - return i->second; +std::optional<std::string> ParsedDerivation::getStringAttr( + const std::string& name) const { + if (structuredAttrs) { + auto i = structuredAttrs->find(name); + if (i == structuredAttrs->end()) + return {}; + else { + if (!i->is_string()) + throw Error("attribute '%s' of derivation '%s' must be a string", name, + drvPath); + return i->get<std::string>(); } + } else { + auto i = drv.env.find(name); + if (i == drv.env.end()) + return {}; + else + return i->second; + } } -bool ParsedDerivation::getBoolAttr(const std::string & name, bool def) const -{ - if (structuredAttrs) { - auto i = structuredAttrs->find(name); - if (i == structuredAttrs->end()) - return def; - else { - if (!i->is_boolean()) - throw Error("attribute '%s' of derivation '%s' must be a Boolean", name, drvPath); - return i->get<bool>(); - } - } else { - auto i = drv.env.find(name); - if (i == drv.env.end()) - return def; - else - return i->second == "1"; +bool ParsedDerivation::getBoolAttr(const std::string& name, bool def) const { + if (structuredAttrs) { + auto i = structuredAttrs->find(name); + if (i == structuredAttrs->end()) + return def; + else { + if (!i->is_boolean()) + throw Error("attribute '%s' of derivation '%s' must be a Boolean", name, + drvPath); + return i->get<bool>(); } + } else { + auto i = drv.env.find(name); + if (i == drv.env.end()) + return def; + else + return i->second == "1"; + } } -std::optional<Strings> ParsedDerivation::getStringsAttr(const std::string & name) const -{ - if (structuredAttrs) { - auto i = structuredAttrs->find(name); - if (i == structuredAttrs->end()) - return {}; - else { - if (!i->is_array()) - throw Error("attribute '%s' of derivation '%s' must be a list of strings", name, drvPath); - Strings res; - for (auto j = i->begin(); j != i->end(); ++j) { - if (!j->is_string()) - throw Error("attribute '%s' of derivation '%s' must be a list of strings", name, drvPath); - res.push_back(j->get<std::string>()); - } - return res; - } - } else { - auto i = drv.env.find(name); - if (i == drv.env.end()) - return {}; - else - return tokenizeString<Strings>(i->second); +std::optional<Strings> ParsedDerivation::getStringsAttr( + const std::string& name) const { + if (structuredAttrs) { + auto i = structuredAttrs->find(name); + if (i == structuredAttrs->end()) + return {}; + else { + if (!i->is_array()) + throw Error( + "attribute '%s' of derivation '%s' must be a list of strings", name, + drvPath); + Strings res; + for (auto j = i->begin(); j != i->end(); ++j) { + if (!j->is_string()) + throw Error( + "attribute '%s' of derivation '%s' must be a list of strings", + name, drvPath); + res.push_back(j->get<std::string>()); + } + return res; } + } else { + auto i = drv.env.find(name); + if (i == drv.env.end()) + return {}; + else + return tokenizeString<Strings>(i->second); + } } -StringSet ParsedDerivation::getRequiredSystemFeatures() const -{ - StringSet res; - for (auto & i : getStringsAttr("requiredSystemFeatures").value_or(Strings())) - res.insert(i); - return res; +StringSet ParsedDerivation::getRequiredSystemFeatures() const { + StringSet res; + for (auto& i : getStringsAttr("requiredSystemFeatures").value_or(Strings())) + res.insert(i); + return res; } -bool ParsedDerivation::canBuildLocally() const -{ - if (drv.platform != settings.thisSystem.get() - && !settings.extraPlatforms.get().count(drv.platform) - && !drv.isBuiltin()) - return false; +bool ParsedDerivation::canBuildLocally() const { + if (drv.platform != settings.thisSystem.get() && + !settings.extraPlatforms.get().count(drv.platform) && !drv.isBuiltin()) + return false; - for (auto & feature : getRequiredSystemFeatures()) - if (!settings.systemFeatures.get().count(feature)) return false; + for (auto& feature : getRequiredSystemFeatures()) + if (!settings.systemFeatures.get().count(feature)) return false; - return true; + return true; } -bool ParsedDerivation::willBuildLocally() const -{ - return getBoolAttr("preferLocalBuild") && canBuildLocally(); +bool ParsedDerivation::willBuildLocally() const { + return getBoolAttr("preferLocalBuild") && canBuildLocally(); } -bool ParsedDerivation::substitutesAllowed() const -{ - return getBoolAttr("allowSubstitutes", true); +bool ParsedDerivation::substitutesAllowed() const { + return getBoolAttr("allowSubstitutes", true); } -} +} // namespace nix |