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#include "common-args.hh"
#include "globals.hh"
namespace nix {
MixCommonArgs::MixCommonArgs(const string& programName)
: programName(programName) {
mkFlag()
.longName("verbose")
.shortName('v')
.description("increase verbosity level")
.handler([]() { verbosity = (Verbosity)(verbosity + 1); });
mkFlag()
.longName("quiet")
.description("decrease verbosity level")
.handler([]() {
verbosity =
verbosity > lvlError ? (Verbosity)(verbosity - 1) : lvlError;
});
mkFlag().longName("debug").description("enable debug output").handler([]() {
verbosity = lvlDebug;
});
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) {
warn(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
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