globals.hh

Go to the documentation of this file.

#pragma once
 
#include "lix/libutil/environment-variables.hh"
#include "lix/libutil/types.hh"
#include "lix/libutil/config.hh"
 
#include <map>
#include <limits>
 
#include <sys/types.h>
 
namespace nix {
 
typedef enum { smEnabled, smRelaxed, smDisabled } SandboxMode;
 
void to_json(JSON & j, const SandboxMode & e);
void from_json(const JSON & j, SandboxMode & e);
 
struct MaxBuildJobsSetting : public BaseSetting<unsigned int>
{
    MaxBuildJobsSetting(Config * options,
        unsigned int def,
        const std::string & name,
        const std::string & description,
        const std::set<std::string> & aliases = {},
        const bool documentDefault = true,
        std::optional<ExperimentalFeature> experimentalFeature = std::nullopt,
        bool deprecated = false)
        : BaseSetting<unsigned int>(def, true, name, description, aliases, experimentalFeature, deprecated)
    {
        options->addSetting(this);
    }
 
    unsigned int parse(const std::string & str, const ApplyConfigOptions & options) const override;
};
 
struct PluginFilesSetting : public BaseSetting<Paths>
{
    bool pluginsLoaded = false;
 
    PluginFilesSetting(Config * options,
        const Paths & def,
        const std::string & name,
        const std::string & description,
        const std::set<std::string> & aliases = {},
        const bool documentDefault = true,
        std::optional<ExperimentalFeature> experimentalFeature = std::nullopt,
        bool deprecated = false)
        : BaseSetting<Paths>(def, true, name, description, aliases, experimentalFeature, deprecated)
    {
        options->addSetting(this);
    }
 
    Paths parse(const std::string & str, const ApplyConfigOptions & options) const override;
};
 
const uint32_t maxIdsPerBuild =
    #if __linux__
    1 << 16
    #else
    1
    #endif
    ;
 
class Settings : public Config {
 
    unsigned int getDefaultCores();
 
    StringSet getDefaultSystemFeatures();
 
    StringSet getDefaultExtraPlatforms();
 
    bool isWSL1();
 
    Path getDefaultSSLCertFile();
 
public:
 
    Settings();
 
    Path nixPrefix;
 
    Path nixStore;
 
    Path nixDataDir; /* !!! fix */
 
    Path nixLogDir;
 
    Path nixStateDir;
 
    Path nixConfDir;
 
    std::vector<Path> nixUserConfFiles;
 
    Path nixBinDir;
 
    Path nixManDir;
 
    Path nixDaemonSocketFile;
 
    bool verboseBuild = true;
 
    bool readOnlyMode = false;
 
    #include "libstore-settings.gen.inc"
};
 
 
// FIXME: don't use a global variable.
extern Settings settings;
 
void initPlugins();
 
void loadConfFile();
 
// Used by the Settings constructor
std::vector<Path> getUserConfigFiles();
std::vector<Path> getHomeConfigFile();
 
extern const std::string nixVersion;
 
void initLibStore();
 
void assertLibStoreInitialized();
 
}