diff options
Diffstat (limited to 'src/nix/main.cc')
| -rw-r--r-- | src/nix/main.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/nix/main.cc b/src/nix/main.cc index e62657e95..e9479f564 100644 --- a/src/nix/main.cc +++ b/src/nix/main.cc @@ -17,6 +17,8 @@ #include <netdb.h> #include <netinet/in.h> +#include <nlohmann/json.hpp> + extern std::string chrootHelperName; void chrootHelper(int argc, char * * argv); @@ -140,6 +142,11 @@ struct NixArgs : virtual MultiCommand, virtual MixCommonArgs printHelp(programName, std::cout); throw Exit(); } + + std::string description() override + { + return "a tool for reproducible and declarative configuration management"; + } }; void mainWrapped(int argc, char * * argv) @@ -172,6 +179,29 @@ void mainWrapped(int argc, char * * argv) NixArgs args; + if (argc == 2 && std::string(argv[1]) == "__dump-args") { + std::cout << args.toJSON().dump() << "\n"; + return; + } + + if (argc == 2 && std::string(argv[1]) == "__dump-builtins") { + EvalState state({}, openStore("dummy://")); + auto res = nlohmann::json::object(); + auto builtins = state.baseEnv.values[0]->attrs; + for (auto & builtin : *builtins) { + auto b = nlohmann::json::object(); + if (builtin.value->type != tPrimOp) continue; + auto primOp = builtin.value->primOp; + if (!primOp->doc) continue; + b["arity"] = primOp->arity; + b["args"] = primOp->args; + b["doc"] = trim(stripIndentation(primOp->doc)); + res[(std::string) builtin.name] = std::move(b); + } + std::cout << res.dump() << "\n"; + return; + } + Finally printCompletions([&]() { if (completions) { |