ac89bb064a
All OS and IO operations should be moved out, leaving only some misc portable pure functions. This is useful to avoid copious CPP when doing things like Windows and Emscripten ports. Newly exposed functions to break cycles: - `restoreSignals` - `updateWindowSize`
94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
#include "common-args.hh"
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#include "args/root.hh"
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#include "globals.hh"
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#include "logging.hh"
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#include "loggers.hh"
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#include "util.hh"
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namespace nix {
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MixCommonArgs::MixCommonArgs(const std::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 the logging verbosity level.",
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.category = loggingCategory,
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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 the logging verbosity level.",
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.category = loggingCategory,
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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 = "Set the logging verbosity level to 'debug'.",
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.category = loggingCategory,
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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 the Nix configuration setting *name* to *value* (overriding `nix.conf`).",
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.category = miscCategory,
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.labels = {"name", "value"},
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.handler = {[this](std::string name, std::string value) {
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try {
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globalConfig.set(name, value);
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} catch (UsageError & e) {
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if (!getRoot().completions)
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warn(e.what());
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}
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}},
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.completer = [](AddCompletions & completions, size_t index, std::string_view prefix) {
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if (index == 0) {
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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.add(s.first, fmt("Set the `%s` setting.", s.first));
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}
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}
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});
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addFlag({
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.longName = "log-format",
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.description = "Set the format of log output; one of `raw`, `internal-json`, `bar` or `bar-with-logs`.",
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.category = loggingCategory,
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.labels = {"format"},
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.handler = {[](std::string format) { setLogFormat(format); }},
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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 = "The 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 = "Options to override configuration settings";
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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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void MixCommonArgs::initialFlagsProcessed()
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{
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initPlugins();
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pluginsInited();
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}
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}
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