From cfb6ab80cea7f0ed3f525e8120f2e569f963fa0e Mon Sep 17 00:00:00 2001 From: Nick Van den Broeck Date: Thu, 21 Feb 2019 06:53:01 +0100 Subject: [PATCH] Implemented "nix flake info" --- src/libexpr/primops/flake.cc | 13 ------------- src/libexpr/primops/flake.hh | 14 ++++++++++++++ src/nix/command.hh | 11 +++++++++++ src/nix/flake.cc | 23 ++++++++++++++++++++++- 4 files changed, 47 insertions(+), 14 deletions(-) diff --git a/src/libexpr/primops/flake.cc b/src/libexpr/primops/flake.cc index 3998f9ef9..9f137a0b9 100644 --- a/src/libexpr/primops/flake.cc +++ b/src/libexpr/primops/flake.cc @@ -141,19 +141,6 @@ static FlakeSourceInfo fetchFlake(EvalState & state, const FlakeRef & flakeRef) else abort(); } -struct Flake -{ - FlakeId id; - std::string description; - Path path; - std::vector requires; - std::unique_ptr lockFile; - Value * vProvides; // FIXME: gc - // commit hash - // date - // content hash -}; - static Flake getFlake(EvalState & state, const FlakeRef & flakeRef) { auto sourceInfo = fetchFlake(state, flakeRef); diff --git a/src/libexpr/primops/flake.hh b/src/libexpr/primops/flake.hh index e504dc196..af28bc5b0 100644 --- a/src/libexpr/primops/flake.hh +++ b/src/libexpr/primops/flake.hh @@ -21,4 +21,18 @@ Value * makeFlakeRegistryValue(EvalState & state); Value * makeFlakeValue(EvalState & state, std::string flakeUri, Value & v); +struct Flake +{ + FlakeId id; + std::string description; + Path path; + std::vector requires; + std::unique_ptr lockFile; + Value * vProvides; // FIXME: gc + // commit hash + // date + // content hash +}; + +static Flake getFlake(EvalState & state, const FlakeRef & flakeRef); } diff --git a/src/nix/command.hh b/src/nix/command.hh index a08347945..b3248222e 100644 --- a/src/nix/command.hh +++ b/src/nix/command.hh @@ -34,6 +34,17 @@ struct Buildable typedef std::vector Buildables; +struct FlakeCommand : virtual Args, StoreCommand, MixEvalArgs +{ + std::string flakeUri; + +public: + FlakeCommand() + { + expectArg("flake-uri", &flakeUri); + } +}; + struct Installable { virtual std::string what() = 0; diff --git a/src/nix/flake.cc b/src/nix/flake.cc index 9b36c3cbd..099425688 100644 --- a/src/nix/flake.cc +++ b/src/nix/flake.cc @@ -33,10 +33,31 @@ struct CmdFlakeList : StoreCommand, MixEvalArgs } }; +struct CmdFlakeInfo : FlakeCommand +{ + std::string name() override + { + return "info"; + } + + std::string description() override + { + return "list info about a given flake"; + } + + void run(nix::ref store) override + { + auto evalState = std::make_shared(searchPath, store); + nix::Flake flake = nix::getFlake(*evalState, FlakeRef(flakeUri)); + std::cout << "Location: " << flake.path << "\n"; + std::cout << "Description: " << flake.description << "\n"; + } +}; + struct CmdFlake : virtual MultiCommand, virtual Command { CmdFlake() - : MultiCommand({make_ref()}) + : MultiCommand({make_ref(), make_ref()}) { }