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StorePathsCommand: Don't build installables

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On second though this was annoying. E.g. "nix log nixpkgs.hello" would
build/download Hello first, even though the log can be fetched
directly from the binary cache.

May need to revisit this.
This commit is contained in:
Eelco Dolstra 2017-07-14 14:23:38 +02:00
parent 15e8bd3bcb
commit 6438ba22af
No known key found for this signature in database
GPG key ID: 8170B4726D7198DE
5 changed files with 10 additions and 8 deletions
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2
src/nix/build.cc
View file

@ -23,7 +23,7 @@ struct CmdBuild : MixDryRun, InstallablesCommand
void run(ref<Store> store) override
{
auto paths = buildInstallables(store, dryRun);
auto paths = toStorePaths(store, dryRun ? DryRun : Build);
printInfo("build result: %s", showPaths(paths));
}

4
src/nix/command.cc
View file

@ -115,7 +115,7 @@ void StorePathsCommand::run(ref<Store> store)
}
else {
for (auto & p : buildInstallables(store, false))
for (auto & p : toStorePaths(store, NoBuild))
storePaths.push_back(p);
if (recursive) {
@ -131,7 +131,7 @@ void StorePathsCommand::run(ref<Store> store)
void StorePathCommand::run(ref<Store> store)
{
auto storePaths = buildInstallables(store, false);
auto storePaths = toStorePaths(store, NoBuild);
if (storePaths.size() != 1)
throw UsageError("this command requires exactly one store path");

4
src/nix/command.hh
View file

@ -80,7 +80,9 @@ struct InstallablesCommand : virtual Args, StoreCommand
std::vector<std::shared_ptr<Installable>> parseInstallables(ref<Store> store, Strings ss);
PathSet buildInstallables(ref<Store> store, bool dryRun);
enum ToStorePathsMode { Build, NoBuild, DryRun };
PathSet toStorePaths(ref<Store> store, ToStorePathsMode mode);
ref<EvalState> getEvalState();

6
src/nix/installables.cc
View file

@ -214,7 +214,7 @@ std::vector<std::shared_ptr<Installable>> InstallablesCommand::parseInstallables
return result;
}
PathSet InstallablesCommand::buildInstallables(ref<Store> store, bool dryRun)
PathSet InstallablesCommand::toStorePaths(ref<Store> store, ToStorePathsMode mode)
{
PathSet buildables;
@ -223,9 +223,9 @@ PathSet InstallablesCommand::buildInstallables(ref<Store> store, bool dryRun)
buildables.insert(b.begin(), b.end());
}
if (dryRun)
if (mode == DryRun)
printMissing(store, buildables);
else
else if (mode == Build)
store->buildPaths(buildables);
PathSet outPaths;

2
src/nix/run.cc
View file

@ -30,7 +30,7 @@ struct CmdRun : InstallablesCommand
void run(ref<Store> store) override
{
auto outPaths = buildInstallables(store, false);
auto outPaths = toStorePaths(store, Build);
auto store2 = store.dynamic_pointer_cast<LocalStore>();