#include "common-args.hh" #include <glog/logging.h> #include "globals.hh" namespace nix { MixCommonArgs::MixCommonArgs(const string& programName) : programName(programName) { mkFlag() .longName("option") .labels({"name", "value"}) .description("set a Nix configuration option (overriding nix.conf)") .arity(2) .handler([](std::vector<std::string> ss) { try { globalConfig.set(ss[0], ss[1]); } catch (UsageError& e) { LOG(WARNING) << e.what(); } }); mkFlag() .longName("max-jobs") .shortName('j') .label("jobs") .description("maximum number of parallel builds") .handler([=](std::string s) { settings.set("max-jobs", s); }); std::string cat = "config"; globalConfig.convertToArgs(*this, cat); // Backward compatibility hack: nix-env already had a --system flag. if (programName == "nix-env") longFlags.erase("system"); hiddenCategories.insert(cat); } } // namespace nix