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https://github.com/privatevoid-net/nix-super.git
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Avoid a call to derivationFromPath()
This doesn't work in read-only mode, ensuring that operations like nix path-info --store https://cache.nixos.org -S nixpkgs.hello (asking for the closure size of nixpkgs.hello in cache.nixos.org) work when nixpkgs.hello doesn't exist in the local store.
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parent
3908d3929c
commit
fdc9da034f
3 changed files with 29 additions and 28 deletions
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@ -44,11 +44,14 @@ private:
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std::shared_ptr<Store> _store;
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};
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struct Whence { std::string outputName; Path drvPath; };
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typedef std::map<Path, Whence> Buildables;
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struct Installable
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{
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virtual std::string what() = 0;
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virtual PathSet toBuildable()
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virtual Buildables toBuildable()
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{
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throw Error("argument ‘%s’ cannot be built", what());
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}
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@ -67,9 +67,9 @@ struct InstallableStoreDrv : Installable
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std::string what() override { return storePath; }
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PathSet toBuildable() override
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Buildables toBuildable() override
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{
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return {storePath};
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return {{storePath, {}}};
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}
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};
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@ -81,9 +81,9 @@ struct InstallableStorePath : Installable
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std::string what() override { return storePath; }
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PathSet toBuildable() override
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Buildables toBuildable() override
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{
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return {storePath};
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return {{storePath, {}}};
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}
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};
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@ -97,7 +97,7 @@ struct InstallableExpr : Installable
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std::string what() override { return text; }
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PathSet toBuildable() override
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Buildables toBuildable() override
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{
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auto state = installables.getEvalState();
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@ -110,10 +110,11 @@ struct InstallableExpr : Installable
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DrvInfos drvs;
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getDerivations(*state, *v, "", autoArgs, drvs, false);
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PathSet res;
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Buildables res;
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for (auto & i : drvs)
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res.insert(i.queryDrvPath());
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for (auto & drv : drvs)
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for (auto & output : drv.queryOutputs())
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res.emplace(output.second, Whence{output.first, drv.queryDrvPath()});
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return res;
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}
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@ -137,7 +138,7 @@ struct InstallableAttrPath : Installable
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std::string what() override { return attrPath; }
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PathSet toBuildable() override
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Buildables toBuildable() override
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{
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auto state = installables.getEvalState();
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@ -150,10 +151,11 @@ struct InstallableAttrPath : Installable
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DrvInfos drvs;
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getDerivations(*state, *v, "", autoArgs, drvs, false);
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PathSet res;
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Buildables res;
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for (auto & i : drvs)
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res.insert(i.queryDrvPath());
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for (auto & drv : drvs)
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for (auto & output : drv.queryOutputs())
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res.emplace(output.second, Whence{output.first, drv.queryDrvPath()});
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return res;
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}
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@ -216,27 +218,22 @@ std::vector<std::shared_ptr<Installable>> InstallablesCommand::parseInstallables
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PathSet InstallablesCommand::toStorePaths(ref<Store> store, ToStorePathsMode mode)
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{
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PathSet buildables;
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if (mode != DryRun)
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settings.readOnlyMode = true;
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for (auto & i : installables) {
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auto b = i->toBuildable();
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buildables.insert(b.begin(), b.end());
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}
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PathSet outPaths, buildables;
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for (auto & i : installables)
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for (auto & b : i->toBuildable()) {
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outPaths.insert(b.first);
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buildables.insert(b.second.drvPath != "" ? b.second.drvPath : b.first);
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}
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if (mode == DryRun)
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printMissing(store, buildables);
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else if (mode == Build)
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store->buildPaths(buildables);
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PathSet outPaths;
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for (auto & path : buildables)
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if (isDerivation(path)) {
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Derivation drv = store->derivationFromPath(path);
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for (auto & output : drv.outputs)
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outPaths.insert(output.second.path);
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} else
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outPaths.insert(path);
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return outPaths;
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}
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@ -28,7 +28,8 @@ struct CmdLog : InstallablesCommand
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subs.push_front(store);
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for (auto & inst : installables) {
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for (auto & path : inst->toBuildable()) {
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for (auto & b : inst->toBuildable()) {
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auto path = b.second.drvPath != "" ? b.second.drvPath : b.first;
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bool found = false;
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for (auto & sub : subs) {
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auto log = sub->getBuildLog(path);
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