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Merge FSAccessor into SourceAccessor

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This commit is contained in:
Eelco Dolstra 2023-11-01 17:09:28 +01:00
parent 581693bdea
commit 1a902f5fa7
25 changed files with 178 additions and 224 deletions
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28
src/libstore/remote-fs-accessor.cc
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@ -8,8 +8,9 @@
namespace nix {
RemoteFSAccessor::RemoteFSAccessor(ref<Store> store, const Path & cacheDir)
RemoteFSAccessor::RemoteFSAccessor(ref<Store> store, bool requireValidPath, const Path & cacheDir)
: store(store)
, requireValidPath(requireValidPath)
, cacheDir(cacheDir)
{
if (cacheDir != "")
@ -22,7 +23,7 @@ Path RemoteFSAccessor::makeCacheFile(std::string_view hashPart, const std::strin
return fmt("%s/%s.%s", cacheDir, hashPart, ext);
}
ref<FSAccessor> RemoteFSAccessor::addToCache(std::string_view hashPart, std::string && nar)
ref<SourceAccessor> RemoteFSAccessor::addToCache(std::string_view hashPart, std::string && nar)
{
if (cacheDir != "") {
try {
@ -38,7 +39,7 @@ ref<FSAccessor> RemoteFSAccessor::addToCache(std::string_view hashPart, std::str
if (cacheDir != "") {
try {
nlohmann::json j = listNar(narAccessor, "", true);
nlohmann::json j = listNar(narAccessor, CanonPath::root, true);
writeFile(makeCacheFile(hashPart, "ls"), j.dump());
} catch (...) {
ignoreException();
@ -48,11 +49,10 @@ ref<FSAccessor> RemoteFSAccessor::addToCache(std::string_view hashPart, std::str
return narAccessor;
}
std::pair<ref<FSAccessor>, Path> RemoteFSAccessor::fetch(const Path & path_, bool requireValidPath)
std::pair<ref<SourceAccessor>, CanonPath> RemoteFSAccessor::fetch(const CanonPath & path)
{
auto path = canonPath(path_);
auto [storePath, restPath] = store->toStorePath(path);
auto [storePath, restPath_] = store->toStorePath(path.abs());
auto restPath = CanonPath(restPath_);
if (requireValidPath && !store->isValidPath(storePath))
throw InvalidPath("path '%1%' is not a valid store path", store->printStorePath(storePath));
@ -63,7 +63,7 @@ std::pair<ref<FSAccessor>, Path> RemoteFSAccessor::fetch(const Path & path_, boo
std::string listing;
Path cacheFile;
if (cacheDir != "" && pathExists(cacheFile = makeCacheFile(storePath.hashPart(), "nar"))) {
if (cacheDir != "" && nix::pathExists(cacheFile = makeCacheFile(storePath.hashPart(), "nar"))) {
try {
listing = nix::readFile(makeCacheFile(storePath.hashPart(), "ls"));
@ -101,25 +101,25 @@ std::pair<ref<FSAccessor>, Path> RemoteFSAccessor::fetch(const Path & path_, boo
return {addToCache(storePath.hashPart(), std::move(sink.s)), restPath};
}
std::optional<FSAccessor::Stat> RemoteFSAccessor::stat(const Path & path)
std::optional<SourceAccessor::Stat> RemoteFSAccessor::maybeLstat(const CanonPath & path)
{
auto res = fetch(path);
return res.first->stat(res.second);
return res.first->maybeLstat(res.second);
}
SourceAccessor::DirEntries RemoteFSAccessor::readDirectory(const Path & path)
SourceAccessor::DirEntries RemoteFSAccessor::readDirectory(const CanonPath & path)
{
auto res = fetch(path);
return res.first->readDirectory(res.second);
}
std::string RemoteFSAccessor::readFile(const Path & path, bool requireValidPath)
std::string RemoteFSAccessor::readFile(const CanonPath & path)
{
auto res = fetch(path, requireValidPath);
auto res = fetch(path);
return res.first->readFile(res.second);
}
std::string RemoteFSAccessor::readLink(const Path & path)
std::string RemoteFSAccessor::readLink(const CanonPath & path)
{
auto res = fetch(path);
return res.first->readLink(res.second);