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Clean up RealiseMode

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This commit is contained in:
Eelco Dolstra 2020-07-15 20:05:42 +02:00
parent e3c2b00237
commit 94eb5fad76
9 changed files with 28 additions and 19 deletions
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2
src/nix/build.cc
View file

@ -53,7 +53,7 @@ struct CmdBuild : InstallablesCommand, MixDryRun, MixProfile
void run(ref<Store> store) override
{
auto buildables = build(store, dryRun ? DryRun : Build, installables);
auto buildables = build(store, dryRun ? Realise::Nothing : Realise::Outputs, installables);
if (dryRun) return;

2
src/nix/command.cc
View file

@ -80,7 +80,7 @@ void StorePathsCommand::run(ref<Store> store)
void StorePathCommand::run(ref<Store> store)
{
auto storePaths = toStorePaths(store, NoBuild, installables);
auto storePaths = toStorePaths(store, Realise::Nothing, installables);
if (storePaths.size() != 1)
throw UsageError("this command requires exactly one store path");

19
src/nix/command.hh
View file

@ -70,7 +70,16 @@ struct SourceExprCommand : virtual Args, MixFlakeOptions
void completeInstallable(std::string_view prefix);
};
enum RealiseMode { Build, NoBuild, DryRun };
enum class Realise {
/* Build the derivation. Postcondition: the
derivation outputs exist. */
Outputs,
/* Don't build the derivation. Postcondition: the store derivation
exists. */
Derivation,
/* Evaluate in dry-run mode. Postcondition: nothing. */
Nothing
};
/* A command that operates on a list of "installables", which can be
store paths, attribute paths, Nix expressions, etc. */
@ -120,7 +129,7 @@ private:
protected:
RealiseMode realiseMode = NoBuild;
Realise realiseMode = Realise::Derivation;
public:
@ -164,13 +173,13 @@ static RegisterCommand registerCommand(const std::string & name)
return RegisterCommand(name, [](){ return make_ref<T>(); });
}
Buildables build(ref<Store> store, RealiseMode mode,
Buildables build(ref<Store> store, Realise mode,
std::vector<std::shared_ptr<Installable>> installables);
std::set<StorePath> toStorePaths(ref<Store> store, RealiseMode mode,
std::set<StorePath> toStorePaths(ref<Store> store, Realise mode,
std::vector<std::shared_ptr<Installable>> installables);
StorePath toStorePath(ref<Store> store, RealiseMode mode,
StorePath toStorePath(ref<Store> store, Realise mode,
std::shared_ptr<Installable> installable);
std::set<StorePath> toDerivations(ref<Store> store,

2
src/nix/copy.cc
View file

@ -46,7 +46,7 @@ struct CmdCopy : StorePathsCommand
.handler = {&substitute, Substitute},
});
realiseMode = Build;
realiseMode = Realise::Outputs;
}
std::string description() override

2
src/nix/develop.cc
View file

@ -321,7 +321,7 @@ struct CmdDevelop : Common, MixEnvironment
Strings{"legacyPackages." + settings.thisSystem.get() + "."},
lockFlags);
shell = state->store->printStorePath(toStorePath(state->store, Build, bashInstallable)) + "/bin/bash";
shell = state->store->printStorePath(toStorePath(state->store, Realise::Outputs, bashInstallable)) + "/bin/bash";
} catch (Error &) {
ignoreException();
}

12
src/nix/installables.cc
View file

@ -635,10 +635,10 @@ std::shared_ptr<Installable> SourceExprCommand::parseInstallable(
return installables.front();
}
Buildables build(ref<Store> store, RealiseMode mode,
Buildables build(ref<Store> store, Realise mode,
std::vector<std::shared_ptr<Installable>> installables)
{
if (mode != Build)
if (mode == Realise::Nothing)
settings.readOnlyMode = true;
Buildables buildables;
@ -659,15 +659,15 @@ Buildables build(ref<Store> store, RealiseMode mode,
}
}
if (mode == DryRun)
if (mode == Realise::Nothing)
printMissing(store, pathsToBuild, lvlError);
else if (mode == Build)
else if (mode == Realise::Outputs)
store->buildPaths(pathsToBuild);
return buildables;
}
StorePathSet toStorePaths(ref<Store> store, RealiseMode mode,
StorePathSet toStorePaths(ref<Store> store, Realise mode,
std::vector<std::shared_ptr<Installable>> installables)
{
StorePathSet outPaths;
@ -679,7 +679,7 @@ StorePathSet toStorePaths(ref<Store> store, RealiseMode mode,
return outPaths;
}
StorePath toStorePath(ref<Store> store, RealiseMode mode,
StorePath toStorePath(ref<Store> store, Realise mode,
std::shared_ptr<Installable> installable)
{
auto paths = toStorePaths(store, mode, {installable});

2
src/nix/make-content-addressable.cc
View file

@ -10,7 +10,7 @@ struct CmdMakeContentAddressable : StorePathsCommand, MixJSON
{
CmdMakeContentAddressable()
{
realiseMode = Build;
realiseMode = Realise::Outputs;
}
std::string description() override

2
src/nix/run.cc
View file

@ -104,7 +104,7 @@ struct CmdShell : InstallablesCommand, RunCommon, MixEnvironment
void run(ref<Store> store) override
{
auto outPaths = toStorePaths(store, Build, installables);
auto outPaths = toStorePaths(store, Realise::Outputs, installables);
auto accessor = store->getFSAccessor();

4
src/nix/why-depends.cc
View file

@ -73,9 +73,9 @@ struct CmdWhyDepends : SourceExprCommand
void run(ref<Store> store) override
{
auto package = parseInstallable(store, _package);
auto packagePath = toStorePath(store, Build, package);
auto packagePath = toStorePath(store, Realise::Outputs, package);
auto dependency = parseInstallable(store, _dependency);
auto dependencyPath = toStorePath(store, NoBuild, dependency);
auto dependencyPath = toStorePath(store, Realise::Derivation, dependency);
auto dependencyPathHash = dependencyPath.hashPart();
StorePathSet closure;