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addPermRoot(): Remove indirect flag

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This commit is contained in:
Eelco Dolstra 2020-09-03 11:26:36 +02:00
parent 00d25e8457
commit 82b77a7726
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GPG key ID: 8170B4726D7198DE
9 changed files with 17 additions and 38 deletions
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2
src/libfetchers/registry.cc
View file

@ -147,7 +147,7 @@ static std::shared_ptr<Registry> getGlobalRegistry(ref<Store> store)
if (!hasPrefix(path, "/")) {
auto storePath = downloadFile(store, path, "flake-registry.json", false).storePath;
if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>())
store2->addPermRoot(storePath, getCacheDir() + "/nix/flake-registry.json", true);
store2->addPermRoot(storePath, getCacheDir() + "/nix/flake-registry.json");
path = store->toRealPath(storePath);
}

34
src/libstore/gc.cc
View file

@ -85,8 +85,7 @@ void LocalStore::addIndirectRoot(const Path & path)
}
Path LocalFSStore::addPermRoot(const StorePath & storePath,
const Path & _gcRoot, bool indirect, bool allowOutsideRootsDir)
Path LocalFSStore::addPermRoot(const StorePath & storePath, const Path & _gcRoot)
{
Path gcRoot(canonPath(_gcRoot));
@ -95,31 +94,12 @@ Path LocalFSStore::addPermRoot(const StorePath & storePath,
"creating a garbage collector root (%1%) in the Nix store is forbidden "
"(are you running nix-build inside the store?)", gcRoot);
if (indirect) {
/* Don't clobber the link if it already exists and doesn't
point to the Nix store. */
if (pathExists(gcRoot) && (!isLink(gcRoot) || !isInStore(readLink(gcRoot))))
throw Error("cannot create symlink '%1%'; already exists", gcRoot);
makeSymlink(gcRoot, printStorePath(storePath));
addIndirectRoot(gcRoot);
}
else {
if (!allowOutsideRootsDir) {
Path rootsDir = canonPath((format("%1%/%2%") % stateDir % gcRootsDir).str());
if (string(gcRoot, 0, rootsDir.size() + 1) != rootsDir + "/")
throw Error(
"path '%1%' is not a valid garbage collector root; "
"it's not in the directory '%2%'",
gcRoot, rootsDir);
}
if (baseNameOf(gcRoot) == std::string(storePath.to_string()))
writeFile(gcRoot, "");
else
makeSymlink(gcRoot, printStorePath(storePath));
}
/* Don't clobber the link if it already exists and doesn't
point to the Nix store. */
if (pathExists(gcRoot) && (!isLink(gcRoot) || !isInStore(readLink(gcRoot))))
throw Error("cannot create symlink '%1%'; already exists", gcRoot);
makeSymlink(gcRoot, printStorePath(storePath));
addIndirectRoot(gcRoot);
/* Check that the root can be found by the garbage collector.
!!! This can be very slow on machines that have many roots.

2
src/libstore/profiles.cc
View file

@ -105,7 +105,7 @@ Path createGeneration(ref<LocalFSStore> store, Path profile, StorePath outPath)
user environment etc. we've just built. */
Path generation;
makeName(profile, num + 1, generation);
store->addPermRoot(outPath, generation, true);
store->addPermRoot(outPath, generation);
return generation;
}

3
src/libstore/store-api.hh
View file

@ -649,8 +649,7 @@ public:
ref<FSAccessor> getFSAccessor() override;
/* Register a permanent GC root. */
Path addPermRoot(const StorePath & storePath,
const Path & gcRoot, bool indirect, bool allowOutsideRootsDir = false);
Path addPermRoot(const StorePath & storePath, const Path & gcRoot);
virtual Path getRealStoreDir() { return storeDir; }

2
src/nix-build/nix-build.cc
View file

@ -525,7 +525,7 @@ static void _main(int argc, char * * argv)
for (auto & symlink : resultSymlinks)
if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>())
store2->addPermRoot(store->parseStorePath(symlink.second), absPath(symlink.first), true);
store2->addPermRoot(store->parseStorePath(symlink.second), absPath(symlink.first));
logger->stop();

2
src/nix-instantiate/nix-instantiate.cc
View file

@ -74,7 +74,7 @@ void processExpr(EvalState & state, const Strings & attrPaths,
if (++rootNr > 1) rootName += "-" + std::to_string(rootNr);
auto store2 = state.store.dynamic_pointer_cast<LocalFSStore>();
if (store2)
drvPath = store2->addPermRoot(store2->parseStorePath(drvPath), rootName, true);
drvPath = store2->addPermRoot(store2->parseStorePath(drvPath), rootName);
}
std::cout << fmt("%s%s\n", drvPath, (outputName != "out" ? "!" + outputName : ""));
}

4
src/nix-store/nix-store.cc
View file

@ -84,7 +84,7 @@ static PathSet realisePath(StorePathWithOutputs path, bool build = true)
Path rootName = gcRoot;
if (rootNr > 1) rootName += "-" + std::to_string(rootNr);
if (i->first != "out") rootName += "-" + i->first;
outPath = store2->addPermRoot(store->parseStorePath(outPath), rootName, true);
outPath = store2->addPermRoot(store->parseStorePath(outPath), rootName);
}
}
outputs.insert(outPath);
@ -103,7 +103,7 @@ static PathSet realisePath(StorePathWithOutputs path, bool build = true)
Path rootName = gcRoot;
rootNr++;
if (rootNr > 1) rootName += "-" + std::to_string(rootNr);
return {store2->addPermRoot(path.path, rootName, true)};
return {store2->addPermRoot(path.path, rootName)};
}
}
return {store->printStorePath(path.path)};

4
src/nix/build.cc
View file

@ -71,14 +71,14 @@ struct CmdBuild : InstallablesCommand, MixDryRun, MixProfile
[&](BuildableOpaque bo) {
std::string symlink = outLink;
if (i) symlink += fmt("-%d", i);
store2->addPermRoot(bo.path, absPath(symlink), true);
store2->addPermRoot(bo.path, absPath(symlink));
},
[&](BuildableFromDrv bfd) {
for (auto & output : bfd.outputs) {
std::string symlink = outLink;
if (i) symlink += fmt("-%d", i);
if (output.first != "out") symlink += fmt("-%s", output.first);
store2->addPermRoot(output.second, absPath(symlink), true);
store2->addPermRoot(output.second, absPath(symlink));
}
},
}, buildables[i]);

2
src/nix/bundle.cc
View file

@ -122,7 +122,7 @@ struct CmdBundle : InstallableCommand
if (!outLink)
outLink = baseNameOf(app.program);
store.dynamic_pointer_cast<LocalFSStore>()->addPermRoot(outPath, absPath(*outLink), true);
store.dynamic_pointer_cast<LocalFSStore>()->addPermRoot(outPath, absPath(*outLink));
}
};