lix/src/nix/describe-stores.cc

36 lines
904 B
C++
Raw Normal View History

#include "command.hh"
#include "common-args.hh"
#include "shared.hh"
#include "store-api.hh"
#include <nlohmann/json.hpp>
using namespace nix;
struct CmdDescribeStores : Command, MixJSON
{
std::string description() override
{
return "show registered store types and their available options";
}
Category category() override { return catUtility; }
void run() override
{
auto res = nlohmann::json::object();
for (auto & implem : *Implementations::registered) {
auto storeConfig = implem.getConfig();
auto storeName = storeConfig->name();
res[storeName] = storeConfig->toJSON();
}
if (json) {
std::cout << res;
} else {
throw Error("Only json is available for describe-stores");
}
}
};
static auto r1 = registerCommand<CmdDescribeStores>("describe-stores");