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Move FlakeCommand into a header, allow separate registration of subcommands

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This allows us to start splitting up src/nix/flake.cc.
This commit is contained in:
Eelco Dolstra 2025-06-26 17:04:34 +02:00
parent df2d5f276a
commit eaced1e0d2
3 changed files with 67 additions and 53 deletions
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3
src/libcmd/include/nix/cmd/common-eval-args.hh
View file

@ -5,6 +5,7 @@
#include "nix/util/canon-path.hh"
#include "nix/main/common-args.hh"
#include "nix/expr/search-path.hh"
#include "nix/expr/eval-settings.hh"
#include <filesystem>
@ -15,10 +16,8 @@ class Store;
namespace fetchers { struct Settings; }
class EvalState;
struct EvalSettings;
struct CompatibilitySettings;
class Bindings;
struct SourcePath;
namespace flake { struct Settings; }

27
src/nix/flake-command.hh Normal file
View file

@ -0,0 +1,27 @@
#pragma once
#include "nix/cmd/command.hh"
#include "nix/cmd/installable-flake.hh"
#include "nix/flake/flake.hh"
namespace nix {
using namespace nix::flake;
class FlakeCommand : virtual Args, public MixFlakeOptions
{
protected:
std::string flakeUrl = ".";
public:
FlakeCommand();
FlakeRef getFlakeRef();
LockedFlake lockFlake();
std::vector<FlakeRef> getFlakeRefsForCompletion() override;
};
}

90
src/nix/flake.cc
View file

@ -1,11 +1,9 @@
#include "nix/cmd/command.hh"
#include "nix/cmd/installable-flake.hh"
#include "flake-command.hh"
#include "nix/main/common-args.hh"
#include "nix/main/shared.hh"
#include "nix/expr/eval.hh"
#include "nix/expr/eval-inline.hh"
#include "nix/expr/eval-settings.hh"
#include "nix/flake/flake.hh"
#include "nix/expr/get-drvs.hh"
#include "nix/util/signals.hh"
#include "nix/store/store-open.hh"
@ -33,43 +31,36 @@ using namespace nix::flake;
using json = nlohmann::json;
struct CmdFlakeUpdate;
class FlakeCommand : virtual Args, public MixFlakeOptions
FlakeCommand::FlakeCommand()
{
protected:
std::string flakeUrl = ".";
expectArgs({
.label = "flake-url",
.optional = true,
.handler = {&flakeUrl},
.completer = {[&](AddCompletions & completions, size_t, std::string_view prefix) {
completeFlakeRef(completions, getStore(), prefix);
}}
});
}
public:
FlakeRef FlakeCommand::getFlakeRef()
{
return parseFlakeRef(fetchSettings, flakeUrl, std::filesystem::current_path().string()); //FIXME
}
FlakeCommand()
{
expectArgs({
.label = "flake-url",
.optional = true,
.handler = {&flakeUrl},
.completer = {[&](AddCompletions & completions, size_t, std::string_view prefix) {
completeFlakeRef(completions, getStore(), prefix);
}}
});
}
LockedFlake FlakeCommand::lockFlake()
{
return flake::lockFlake(flakeSettings, *getEvalState(), getFlakeRef(), lockFlags);
}
FlakeRef getFlakeRef()
{
return parseFlakeRef(fetchSettings, flakeUrl, std::filesystem::current_path().string()); //FIXME
}
LockedFlake lockFlake()
{
return flake::lockFlake(flakeSettings, *getEvalState(), getFlakeRef(), lockFlags);
}
std::vector<FlakeRef> getFlakeRefsForCompletion() override
{
return {
// Like getFlakeRef but with expandTilde called first
parseFlakeRef(fetchSettings, expandTilde(flakeUrl), std::filesystem::current_path().string())
};
}
};
std::vector<FlakeRef> FlakeCommand::getFlakeRefsForCompletion()
{
return {
// Like getFlakeRef but with expandTilde called first
parseFlakeRef(fetchSettings, expandTilde(flakeUrl), std::filesystem::current_path().string())
};
}
struct CmdFlakeUpdate : FlakeCommand
{
@ -1528,21 +1519,7 @@ struct CmdFlakePrefetch : FlakeCommand, MixJSON
struct CmdFlake : NixMultiCommand
{
CmdFlake()
: NixMultiCommand(
"flake",
{
{"update", []() { return make_ref<CmdFlakeUpdate>(); }},
{"lock", []() { return make_ref<CmdFlakeLock>(); }},
{"metadata", []() { return make_ref<CmdFlakeMetadata>(); }},
{"info", []() { return make_ref<CmdFlakeInfo>(); }},
{"check", []() { return make_ref<CmdFlakeCheck>(); }},
{"init", []() { return make_ref<CmdFlakeInit>(); }},
{"new", []() { return make_ref<CmdFlakeNew>(); }},
{"clone", []() { return make_ref<CmdFlakeClone>(); }},
{"archive", []() { return make_ref<CmdFlakeArchive>(); }},
{"show", []() { return make_ref<CmdFlakeShow>(); }},
{"prefetch", []() { return make_ref<CmdFlakePrefetch>(); }},
})
: NixMultiCommand("flake", RegisterCommand::getCommandsFor({"flake"}))
{
}
@ -1566,3 +1543,14 @@ struct CmdFlake : NixMultiCommand
};
static auto rCmdFlake = registerCommand<CmdFlake>("flake");
static auto rCmdFlakeArchive = registerCommand2<CmdFlakeArchive>({"flake", "archive"});
static auto rCmdFlakeCheck = registerCommand2<CmdFlakeCheck>({"flake", "check"});
static auto rCmdFlakeClone = registerCommand2<CmdFlakeClone>({"flake", "clone"});
static auto rCmdFlakeInfo = registerCommand2<CmdFlakeInfo>({"flake", "info"});
static auto rCmdFlakeInit = registerCommand2<CmdFlakeInit>({"flake", "init"});
static auto rCmdFlakeLock = registerCommand2<CmdFlakeLock>({"flake", "lock"});
static auto rCmdFlakeMetadata = registerCommand2<CmdFlakeMetadata>({"flake", "metadata"});
static auto rCmdFlakeNew = registerCommand2<CmdFlakeNew>({"flake", "new"});
static auto rCmdFlakePrefetch = registerCommand2<CmdFlakePrefetch>({"flake", "prefetch"});
static auto rCmdFlakeShow = registerCommand2<CmdFlakeShow>({"flake", "show"});
static auto rCmdFlakeUpdate = registerCommand2<CmdFlakeUpdate>({"flake", "update"});