forked from lix-project/lix
69 lines
2 KiB
C++
69 lines
2 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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addFlag({
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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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});
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addFlag({
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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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});
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addFlag({
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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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});
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addFlag({
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.longName = "option",
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.description = "set a Nix configuration option (overriding nix.conf)",
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.labels = {"name", "value"},
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.handler = {[](std::string name, std::string value) {
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try {
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if (auto prefix = needsCompletion(name)) {
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std::map<std::string, Config::SettingInfo> settings;
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globalConfig.getSettings(settings);
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for (auto & s : settings)
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if (hasPrefix(s.first, *prefix))
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completions->insert(s.first);
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}
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globalConfig.set(name, value);
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} catch (UsageError & e) {
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if (!completions)
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warn(e.what());
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}
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}},
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});
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addFlag({
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.longName = "max-jobs",
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.shortName = 'j',
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.description = "maximum number of parallel builds",
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.labels = Strings{"jobs"},
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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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});
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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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