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Rename makeFSSourceAccessor -> getFSSourceAccessor()

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This makes it clearer that it returns a shared accessor object.
This commit is contained in:
Eelco Dolstra 2024-05-06 19:16:52 +02:00
parent eab2919119
commit ef28c7329c
7 changed files with 17 additions and 14 deletions
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2
src/libcmd/installables.cc
View file

@ -146,7 +146,7 @@ MixFlakeOptions::MixFlakeOptions()
.category = category, .category = category,
.labels = {"flake-lock-path"}, .labels = {"flake-lock-path"},
.handler = {[&](std::string lockFilePath) { .handler = {[&](std::string lockFilePath) {
lockFlags.referenceLockFilePath = {makeFSSourceAccessor(), CanonPath(absPath(lockFilePath))}; lockFlags.referenceLockFilePath = {getFSSourceAccessor(), CanonPath(absPath(lockFilePath))};
}}, }},
.completer = completePath .completer = completePath
}); });

4
src/libexpr/eval.cc
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@ -399,14 +399,14 @@ EvalState::EvalState(
, emptyBindings(0) , emptyBindings(0)
, rootFS( , rootFS(
evalSettings.restrictEval || evalSettings.pureEval evalSettings.restrictEval || evalSettings.pureEval
? ref<SourceAccessor>(AllowListSourceAccessor::create(makeFSSourceAccessor(), {}, ? ref<SourceAccessor>(AllowListSourceAccessor::create(getFSSourceAccessor(), {},
[](const CanonPath & path) -> RestrictedPathError { [](const CanonPath & path) -> RestrictedPathError {
auto modeInformation = evalSettings.pureEval auto modeInformation = evalSettings.pureEval
? "in pure evaluation mode (use '--impure' to override)" ? "in pure evaluation mode (use '--impure' to override)"
: "in restricted mode"; : "in restricted mode";
throw RestrictedPathError("access to absolute path '%1%' is forbidden %2%", path, modeInformation); throw RestrictedPathError("access to absolute path '%1%' is forbidden %2%", path, modeInformation);
})) }))
: makeFSSourceAccessor()) : getFSSourceAccessor())
, corepkgsFS(make_ref<MemorySourceAccessor>()) , corepkgsFS(make_ref<MemorySourceAccessor>())
, internalFS(make_ref<MemorySourceAccessor>()) , internalFS(make_ref<MemorySourceAccessor>())
, derivationInternal{corepkgsFS->addFile( , derivationInternal{corepkgsFS->addFile(

4
src/libfetchers/unix/mercurial.cc
View file

@ -212,7 +212,7 @@ struct MercurialInputScheme : InputScheme
auto storePath = store->addToStore( auto storePath = store->addToStore(
input.getName(), input.getName(),
{makeFSSourceAccessor(), CanonPath(actualPath)}, {getFSSourceAccessor(), CanonPath(actualPath)},
FileIngestionMethod::Recursive, HashAlgorithm::SHA256, {}, FileIngestionMethod::Recursive, HashAlgorithm::SHA256, {},
filter); filter);
@ -318,7 +318,7 @@ struct MercurialInputScheme : InputScheme
deletePath(tmpDir + "/.hg_archival.txt"); deletePath(tmpDir + "/.hg_archival.txt");
auto storePath = store->addToStore(name, {makeFSSourceAccessor(), CanonPath(tmpDir)}); auto storePath = store->addToStore(name, {getFSSourceAccessor(), CanonPath(tmpDir)});
Attrs infoAttrs({ Attrs infoAttrs({
{"rev", input.getRev()->gitRev()}, {"rev", input.getRev()->gitRev()},

8
src/libstore/unix/build/local-derivation-goal.cc
View file

@ -2492,7 +2492,7 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
HashModuloSink caSink { outputHash.hashAlgo, oldHashPart }; HashModuloSink caSink { outputHash.hashAlgo, oldHashPart };
auto fim = outputHash.method.getFileIngestionMethod(); auto fim = outputHash.method.getFileIngestionMethod();
dumpPath( dumpPath(
{makeFSSourceAccessor(), CanonPath(actualPath)}, {getFSSourceAccessor(), CanonPath(actualPath)},
caSink, caSink,
(FileSerialisationMethod) fim); (FileSerialisationMethod) fim);
return caSink.finish().first; return caSink.finish().first;
@ -2500,7 +2500,7 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
case FileIngestionMethod::Git: { case FileIngestionMethod::Git: {
return git::dumpHash( return git::dumpHash(
outputHash.hashAlgo, outputHash.hashAlgo,
{makeFSSourceAccessor(), CanonPath(tmpDir + "/tmp")}).hash; {getFSSourceAccessor(), CanonPath(tmpDir + "/tmp")}).hash;
} }
} }
assert(false); assert(false);
@ -2528,7 +2528,7 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
{ {
HashResult narHashAndSize = hashPath( HashResult narHashAndSize = hashPath(
{makeFSSourceAccessor(), CanonPath(actualPath)}, {getFSSourceAccessor(), CanonPath(actualPath)},
FileSerialisationMethod::Recursive, HashAlgorithm::SHA256); FileSerialisationMethod::Recursive, HashAlgorithm::SHA256);
newInfo0.narHash = narHashAndSize.first; newInfo0.narHash = narHashAndSize.first;
newInfo0.narSize = narHashAndSize.second; newInfo0.narSize = narHashAndSize.second;
@ -2551,7 +2551,7 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
std::string { requiredFinalPath.hashPart() }); std::string { requiredFinalPath.hashPart() });
rewriteOutput(outputRewrites); rewriteOutput(outputRewrites);
HashResult narHashAndSize = hashPath( HashResult narHashAndSize = hashPath(
{makeFSSourceAccessor(), CanonPath(actualPath)}, {getFSSourceAccessor(), CanonPath(actualPath)},
FileSerialisationMethod::Recursive, HashAlgorithm::SHA256); FileSerialisationMethod::Recursive, HashAlgorithm::SHA256);
ValidPathInfo newInfo0 { requiredFinalPath, narHashAndSize.first }; ValidPathInfo newInfo0 { requiredFinalPath, narHashAndSize.first };
newInfo0.narSize = narHashAndSize.second; newInfo0.narSize = narHashAndSize.second;

4
src/libstore/unix/local-store.cc
View file

@ -1252,7 +1252,7 @@ StorePath LocalStore::addToStoreFromDump(
methodsMatch methodsMatch
? dumpHash ? dumpHash
: hashPath( : hashPath(
{makeFSSourceAccessor(), CanonPath(tempPath)}, {getFSSourceAccessor(), CanonPath(tempPath)},
hashMethod.getFileIngestionMethod(), hashAlgo), hashMethod.getFileIngestionMethod(), hashAlgo),
{ {
.others = references, .others = references,
@ -1392,7 +1392,7 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
Path linkPath = linksDir + "/" + link.name; Path linkPath = linksDir + "/" + link.name;
PosixSourceAccessor accessor; PosixSourceAccessor accessor;
std::string hash = hashPath( std::string hash = hashPath(
{makeFSSourceAccessor(), CanonPath(linkPath)}, {getFSSourceAccessor(), CanonPath(linkPath)},
FileIngestionMethod::Recursive, HashAlgorithm::SHA256).to_string(HashFormat::Nix32, false); FileIngestionMethod::Recursive, HashAlgorithm::SHA256).to_string(HashFormat::Nix32, false);
if (hash != link.name) { if (hash != link.name) {
printError("link '%s' was modified! expected hash '%s', got '%s'", printError("link '%s' was modified! expected hash '%s', got '%s'",

2
src/libutil/posix-source-accessor.cc
View file

@ -167,7 +167,7 @@ void PosixSourceAccessor::assertNoSymlinks(CanonPath path)
} }
} }
ref<SourceAccessor> makeFSSourceAccessor() ref<SourceAccessor> getFSSourceAccessor()
{ {
static auto rootFS = make_ref<PosixSourceAccessor>(); static auto rootFS = make_ref<PosixSourceAccessor>();
return rootFS; return rootFS;

7
src/libutil/source-accessor.hh
View file

@ -197,10 +197,13 @@ MakeError(RestrictedPathError, Error);
/** /**
* Return an accessor for the root filesystem. * Return an accessor for the root filesystem.
*/ */
ref<SourceAccessor> makeFSSourceAccessor(); ref<SourceAccessor> getFSSourceAccessor();
/** /**
* Return an accessor for the filesystem rooted at `root`. * Construct an accessor for the filesystem rooted at `root`. Note
* that it is not possible to escape `root` by appending `..` path
* elements, and that absolute symlinks are resolved relative to
* `root`.
*/ */
ref<SourceAccessor> makeFSSourceAccessor(std::filesystem::path root); ref<SourceAccessor> makeFSSourceAccessor(std::filesystem::path root);