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#include "command.hh"
#include "common-args.hh"
#include "shared.hh"
#include "eval.hh"
#include "flake/flake.hh"
#include "store-api.hh"
#include "fetchers.hh"
#include "registry.hh"
using namespace nix;
using namespace nix::flake;
struct CmdRegistryList : StoreCommand
{
std::string description() override
{
return "list available Nix flakes";
}
void run(nix::ref<nix::Store> store) override
{
using namespace fetchers;
auto registries = getRegistries(store);
for (auto & registry : registries) {
for (auto & entry : registry->entries) {
// FIXME: format nicely
logger->stdout("%s %s %s",
registry->type == Registry::Flag ? "flags " :
registry->type == Registry::User ? "user " :
registry->type == Registry::System ? "system" :
"global",
entry.from->to_string(),
entry.to->to_string());
}
}
}
};
struct CmdRegistryAdd : MixEvalArgs, Command
{
std::string fromUrl, toUrl;
std::string description() override
{
return "add/replace flake in user flake registry";
}
CmdRegistryAdd()
{
expectArg("from-url", &fromUrl);
expectArg("to-url", &toUrl);
}
void run() override
{
auto fromRef = parseFlakeRef(fromUrl);
auto toRef = parseFlakeRef(toUrl);
fetchers::Attrs extraAttrs;
if (toRef.subdir != "") extraAttrs["dir"] = toRef.subdir;
auto userRegistry = fetchers::getUserRegistry();
userRegistry->remove(fromRef.input);
userRegistry->add(fromRef.input, toRef.input, extraAttrs);
userRegistry->write(fetchers::getUserRegistryPath());
}
};
struct CmdRegistryRemove : virtual Args, MixEvalArgs, Command
{
std::string url;
std::string description() override
{
return "remove flake from user flake registry";
}
CmdRegistryRemove()
{
expectArg("url", &url);
}
void run() override
{
auto userRegistry = fetchers::getUserRegistry();
userRegistry->remove(parseFlakeRef(url).input);
userRegistry->write(fetchers::getUserRegistryPath());
}
};
struct CmdRegistryPin : virtual Args, EvalCommand
{
std::string url;
std::string description() override
{
return "pin a flake to its current version in user flake registry";
}
CmdRegistryPin()
{
expectArg("url", &url);
}
void run(nix::ref<nix::Store> store) override
{
auto ref = parseFlakeRef(url);
auto userRegistry = fetchers::getUserRegistry();
userRegistry->remove(ref.input);
auto [tree, resolved] = ref.resolve(store).input->fetchTree(store);
fetchers::Attrs extraAttrs;
if (ref.subdir != "") extraAttrs["dir"] = ref.subdir;
userRegistry->add(ref.input, resolved, extraAttrs);
}
};
struct CmdRegistry : virtual MultiCommand, virtual Command
{
CmdRegistry()
: MultiCommand({
{"list", []() { return make_ref<CmdRegistryList>(); }},
{"add", []() { return make_ref<CmdRegistryAdd>(); }},
{"remove", []() { return make_ref<CmdRegistryRemove>(); }},
{"pin", []() { return make_ref<CmdRegistryPin>(); }},
})
{
}
std::string description() override
{
return "manage the flake registry";
}
Category category() override { return catSecondary; }
void run() override
{
if (!command)
throw UsageError("'nix registry' requires a sub-command.");
command->second->prepare();
command->second->run();
}
void printHelp(const string & programName, std::ostream & out) override
{
MultiCommand::printHelp(programName, out);
}
};
static auto r1 = registerCommand<CmdRegistry>("registry");
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