environment-variables.hh

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#pragma once
 
#include <map>
#include <optional>
#include <string>
 
 
namespace nix {

std::optional<std::string> getEnv(const std::string & key);

std::optional<std::string> getEnvNonEmpty(const std::string & key);

std::map<std::string, std::string> getEnv();

void clearEnv();

void replaceEnv(const std::map<std::string, std::string> & newEnv);
 
}