57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
#include "common-args.hh"
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#include "globals.hh"
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namespace nix {
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MixCommonArgs::MixCommonArgs(const string & programName)
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: programName(programName)
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{
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mkFlag()
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.longName("verbose")
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.shortName('v')
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.description("increase verbosity level")
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.handler([]() { verbosity = (Verbosity) (verbosity + 1); });
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mkFlag()
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.longName("quiet")
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.description("decrease verbosity level")
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.handler([]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; });
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mkFlag()
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.longName("debug")
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.description("enable debug output")
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.handler([]() { verbosity = lvlDebug; });
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mkFlag()
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.longName("option")
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.labels({"name", "value"})
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.description("set a Nix configuration option (overriding nix.conf)")
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.arity(2)
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.handler([](std::vector<std::string> ss) {
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try {
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globalConfig.set(ss[0], ss[1]);
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} catch (UsageError & e) {
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warn(e.what());
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}
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});
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mkFlag()
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.longName("max-jobs")
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.shortName('j')
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.label("jobs")
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.description("maximum number of parallel builds")
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.handler([=](std::string s) {
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settings.set("max-jobs", s);
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});
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std::string cat = "config";
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globalConfig.convertToArgs(*this, cat);
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// Backward compatibility hack: nix-env already had a --system flag.
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if (programName == "nix-env") longFlags.erase("system");
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hiddenCategories.insert(cat);
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}
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}
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