lix/src/libmain/common-args.cc

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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 {
settings.set(ss[0], ss[1]);
} catch (UsageError & e) {
warn(e.what());
}
});
}
}