From 872ba75d8b6212c3a5e399ec62cbda86e58d3680 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Thu, 13 Apr 2017 20:59:38 +0200 Subject: [PATCH] Add "nix show-config" command This dumps the entire Nix configuration, including all options that have default values. --- src/nix/show-config.cc | 43 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/nix/show-config.cc diff --git a/src/nix/show-config.cc b/src/nix/show-config.cc new file mode 100644 index 000000000..ba39e2bb2 --- /dev/null +++ b/src/nix/show-config.cc @@ -0,0 +1,43 @@ +#include "command.hh" +#include "common-args.hh" +#include "installables.hh" +#include "shared.hh" +#include "store-api.hh" +#include "json.hh" + +using namespace nix; + +struct CmdShowConfig : Command +{ + bool json = false; + + CmdShowConfig() + { + mkFlag(0, "json", "produce JSON output", &json); + } + + std::string name() override + { + return "show-config"; + } + + std::string description() override + { + return "show the Nix configuration"; + } + + void run() override + { + if (json) { + // FIXME: use appropriate JSON types (bool, ints, etc). + JSONObject jsonObj(std::cout, true); + for (auto & s : settings.getSettings()) + jsonObj.attr(s.first, s.second); + } else { + for (auto & s : settings.getSettings()) + std::cout << s.first + " = " + s.second + "\n"; + } + } +}; + +static RegisterCommand r1(make_ref());