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Use SourcePath in more places

Browse source 
Now that SourcePath uses a SourceAccessor instead of an InputAccessor,
we can use it in function signatures instead of passing a
SourceAccessor and CanonPath separately.
This commit is contained in:
Eelco Dolstra 2024-05-06 19:05:42 +02:00
parent 2926ef0e90
commit eab2919119
25 changed files with 101 additions and 109 deletions
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4
src/libfetchers/fetch-to-store.cc
View file

@ -42,9 +42,9 @@ StorePath fetchToStore(
auto storePath =
mode == FetchMode::DryRun
? store.computeStorePath(
name, *path.accessor, path.path, method, HashAlgorithm::SHA256, {}, filter2).first
name, path, method, HashAlgorithm::SHA256, {}, filter2).first
: store.addToStore(
name, *path.accessor, path.path, method, HashAlgorithm::SHA256, {}, filter2, repair);
name, path, method, HashAlgorithm::SHA256, {}, filter2, repair);
if (cacheKey && mode == FetchMode::Copy)
fetchers::getCache()->add(store, *cacheKey, {}, storePath, true);

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

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

7
src/libstore/binary-cache-store.cc
View file

@ -442,8 +442,7 @@ void BinaryCacheStore::queryPathInfoUncached(const StorePath & storePath,
StorePath BinaryCacheStore::addToStore(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & path,
const SourcePath & path,
ContentAddressMethod method,
HashAlgorithm hashAlgo,
const StorePathSet & references,
@ -454,10 +453,10 @@ StorePath BinaryCacheStore::addToStore(
non-recursive+sha256 so we can just use the default
implementation of this method in terms of addToStoreFromDump. */
auto h = hashPath(accessor, path, method.getFileIngestionMethod(), hashAlgo, filter);
auto h = hashPath(path, method.getFileIngestionMethod(), hashAlgo, filter);
auto source = sinkToSource([&](Sink & sink) {
accessor.dumpPath(path, sink, filter);
path.dumpPath(sink, filter);
});
return addToStoreCommon(*source, repair, CheckSigs, [&](HashResult nar) {
ValidPathInfo info {

3
src/libstore/binary-cache-store.hh
View file

@ -133,8 +133,7 @@ public:
StorePath addToStore(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & srcPath,
const SourcePath & path,
ContentAddressMethod method,
HashAlgorithm hashAlgo,
const StorePathSet & references,

3
src/libstore/legacy-ssh-store.hh
View file

@ -60,8 +60,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
StorePath addToStore(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & srcPath,
const SourcePath & path,
ContentAddressMethod method,
HashAlgorithm hashAlgo,
const StorePathSet & references,

20
src/libstore/store-api.cc
View file

@ -167,14 +167,13 @@ StorePath StoreDirConfig::makeFixedOutputPathFromCA(std::string_view name, const
std::pair<StorePath, Hash> StoreDirConfig::computeStorePath(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & path,
const SourcePath & path,
ContentAddressMethod method,
HashAlgorithm hashAlgo,
const StorePathSet & references,
PathFilter & filter) const
{
auto h = hashPath(accessor, path, method.getFileIngestionMethod(), hashAlgo, filter);
auto h = hashPath(path, method.getFileIngestionMethod(), hashAlgo, filter);
return {
makeFixedOutputPathFromCA(
name,
@ -192,8 +191,7 @@ std::pair<StorePath, Hash> StoreDirConfig::computeStorePath(
StorePath Store::addToStore(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & path,
const SourcePath & path,
ContentAddressMethod method,
HashAlgorithm hashAlgo,
const StorePathSet & references,
@ -214,7 +212,7 @@ StorePath Store::addToStore(
break;
}
auto source = sinkToSource([&](Sink & sink) {
dumpPath(accessor, path, sink, fsm, filter);
dumpPath(path, sink, fsm, filter);
});
return addToStoreFromDump(*source, name, fsm, method, hashAlgo, references, repair);
}
@ -343,8 +341,7 @@ digraph graphname {
*/
ValidPathInfo Store::addToStoreSlow(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & srcPath,
const SourcePath & srcPath,
ContentAddressMethod method, HashAlgorithm hashAlgo,
const StorePathSet & references,
std::optional<Hash> expectedCAHash)
@ -366,7 +363,7 @@ ValidPathInfo Store::addToStoreSlow(
srcPath. The fact that we use scratchpadSink as a temporary buffer here
is an implementation detail. */
auto fileSource = sinkToSource([&](Sink & scratchpadSink) {
accessor.dumpPath(srcPath, scratchpadSink);
srcPath.dumpPath(scratchpadSink);
});
/* tapped provides the same data as fileSource, but we also write all the
@ -389,13 +386,12 @@ ValidPathInfo Store::addToStoreSlow(
auto hash = method == FileIngestionMethod::Recursive && hashAlgo == HashAlgorithm::SHA256
? narHash
: method == FileIngestionMethod::Git
? git::dumpHash(hashAlgo, accessor, srcPath).hash
? git::dumpHash(hashAlgo, srcPath).hash
: caHashSink.finish().first;
if (expectedCAHash && expectedCAHash != hash)
throw Error("hash mismatch for '%s'", srcPath);
ValidPathInfo info {
*this,
name,
@ -412,7 +408,7 @@ ValidPathInfo Store::addToStoreSlow(
if (!isValidPath(info.path)) {
auto source = sinkToSource([&](Sink & scratchpadSink) {
accessor.dumpPath(srcPath, scratchpadSink);
srcPath.dumpPath(scratchpadSink);
});
addToStore(info, *source);
}

6
src/libstore/store-api.hh
View file

@ -439,8 +439,7 @@ public:
*/
virtual StorePath addToStore(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & path,
const SourcePath & path,
ContentAddressMethod method = FileIngestionMethod::Recursive,
HashAlgorithm hashAlgo = HashAlgorithm::SHA256,
const StorePathSet & references = StorePathSet(),
@ -454,8 +453,7 @@ public:
*/
ValidPathInfo addToStoreSlow(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & path,
const SourcePath & path,
ContentAddressMethod method = FileIngestionMethod::Recursive,
HashAlgorithm hashAlgo = HashAlgorithm::SHA256,
const StorePathSet & references = StorePathSet(),

5
src/libstore/store-dir-config.hh
View file

@ -13,6 +13,8 @@
namespace nix {
struct SourcePath;
MakeError(BadStorePath, Error);
struct StoreDirConfig : public Config
@ -94,8 +96,7 @@ struct StoreDirConfig : public Config
*/
std::pair<StorePath, Hash> computeStorePath(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & path,
const SourcePath & path,
ContentAddressMethod method = FileIngestionMethod::Recursive,
HashAlgorithm hashAlgo = HashAlgorithm::SHA256,
const StorePathSet & references = {},

16
src/libstore/unix/build/local-derivation-goal.cc
View file

@ -1306,8 +1306,7 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual In
StorePath addToStore(
std::string_view name,
SourceAccessor & accessor,
const CanonPath & srcPath,
const SourcePath & srcPath,
ContentAddressMethod method,
HashAlgorithm hashAlgo,
const StorePathSet & references,
@ -2485,7 +2484,6 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
/* FIXME optimize and deduplicate with addToStore */
std::string oldHashPart { scratchPath->hashPart() };
auto got = [&]{
PosixSourceAccessor accessor;
auto fim = outputHash.method.getFileIngestionMethod();
switch (fim) {
case FileIngestionMethod::Flat:
@ -2494,15 +2492,15 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
HashModuloSink caSink { outputHash.hashAlgo, oldHashPart };
auto fim = outputHash.method.getFileIngestionMethod();
dumpPath(
accessor, CanonPath { actualPath },
{makeFSSourceAccessor(), CanonPath(actualPath)},
caSink,
(FileSerialisationMethod) fim);
return caSink.finish().first;
}
case FileIngestionMethod::Git: {
return git::dumpHash(
outputHash.hashAlgo, accessor,
CanonPath { tmpDir + "/tmp" }).hash;
outputHash.hashAlgo,
{makeFSSourceAccessor(), CanonPath(tmpDir + "/tmp")}).hash;
}
}
assert(false);
@ -2529,9 +2527,8 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
}
{
PosixSourceAccessor accessor;
HashResult narHashAndSize = hashPath(
accessor, CanonPath { actualPath },
{makeFSSourceAccessor(), CanonPath(actualPath)},
FileSerialisationMethod::Recursive, HashAlgorithm::SHA256);
newInfo0.narHash = narHashAndSize.first;
newInfo0.narSize = narHashAndSize.second;
@ -2553,9 +2550,8 @@ SingleDrvOutputs LocalDerivationGoal::registerOutputs()
std::string { scratchPath->hashPart() },
std::string { requiredFinalPath.hashPart() });
rewriteOutput(outputRewrites);
PosixSourceAccessor accessor;
HashResult narHashAndSize = hashPath(
accessor, CanonPath { actualPath },
{makeFSSourceAccessor(), CanonPath(actualPath)},
FileSerialisationMethod::Recursive, HashAlgorithm::SHA256);
ValidPathInfo newInfo0 { requiredFinalPath, narHashAndSize.first };
newInfo0.narSize = narHashAndSize.second;

2
src/libstore/unix/build/worker.cc
View file

@ -530,7 +530,7 @@ bool Worker::pathContentsGood(const StorePath & path)
res = false;
else {
Hash current = hashPath(
*store.getFSAccessor(), CanonPath { store.printStorePath(path) },
{store.getFSAccessor(), CanonPath(store.printStorePath(path))},
FileIngestionMethod::Recursive, info->narHash.algo);
Hash nullHash(HashAlgorithm::SHA256);
res = info->narHash == nullHash || info->narHash == current;

10
src/libstore/unix/local-store.cc
View file

@ -1132,12 +1132,12 @@ void LocalStore::addToStore(const ValidPathInfo & info, Source & source,
specified.hash.algo,
std::string { info.path.hashPart() },
};
dumpPath(*accessor, path, caSink, (FileSerialisationMethod) fim);
dumpPath({accessor, path}, caSink, (FileSerialisationMethod) fim);
h = caSink.finish().first;
break;
}
case FileIngestionMethod::Git:
h = git::dumpHash(specified.hash.algo, *accessor, path).hash;
h = git::dumpHash(specified.hash.algo, {accessor, path}).hash;
break;
}
ContentAddress {
@ -1247,14 +1247,12 @@ StorePath LocalStore::addToStoreFromDump(
auto [dumpHash, size] = hashSink->finish();
PosixSourceAccessor accessor;
auto desc = ContentAddressWithReferences::fromParts(
hashMethod,
methodsMatch
? dumpHash
: hashPath(
accessor, CanonPath { tempPath },
{makeFSSourceAccessor(), CanonPath(tempPath)},
hashMethod.getFileIngestionMethod(), hashAlgo),
{
.others = references,
@ -1394,7 +1392,7 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
Path linkPath = linksDir + "/" + link.name;
PosixSourceAccessor accessor;
std::string hash = hashPath(
accessor, CanonPath { linkPath },
{makeFSSourceAccessor(), CanonPath(linkPath)},
FileIngestionMethod::Recursive, HashAlgorithm::SHA256).to_string(HashFormat::Nix32, false);
if (hash != link.name) {
printError("link '%s' was modified! expected hash '%s', got '%s'",

6
src/libstore/unix/optimise-store.cc
View file

@ -148,9 +148,8 @@ void LocalStore::optimisePath_(Activity * act, OptimiseStats & stats,
contents of the symlink (i.e. the result of readlink()), not
the contents of the target (which may not even exist). */
Hash hash = ({
PosixSourceAccessor accessor;
hashPath(
accessor, CanonPath { path },
{make_ref<PosixSourceAccessor>(), CanonPath(path)},
FileSerialisationMethod::Recursive, HashAlgorithm::SHA256).first;
});
debug("'%1%' has hash '%2%'", path, hash.to_string(HashFormat::Nix32, true));
@ -163,9 +162,8 @@ void LocalStore::optimisePath_(Activity * act, OptimiseStats & stats,
auto stLink = lstat(linkPath);
if (st.st_size != stLink.st_size
|| (repair && hash != ({
PosixSourceAccessor accessor;
hashPath(
accessor, CanonPath { linkPath },
{make_ref<PosixSourceAccessor>(), CanonPath(linkPath)},
FileSerialisationMethod::Recursive, HashAlgorithm::SHA256).first;
})))
{

7
src/libutil/archive.cc
View file

@ -8,6 +8,7 @@
#include "archive.hh"
#include "config.hh"
#include "posix-source-accessor.hh"
#include "source-path.hh"
#include "file-system.hh"
#include "signals.hh"
@ -110,9 +111,9 @@ void SourceAccessor::dumpPath(
time_t dumpPathAndGetMtime(const Path & path, Sink & sink, PathFilter & filter)
{
auto [accessor, canonPath] = PosixSourceAccessor::createAtRoot(path);
accessor.dumpPath(canonPath, sink, filter);
return accessor.mtime;
auto path2 = PosixSourceAccessor::createAtRoot(path);
path2.dumpPath(sink, filter);
return path2.accessor.dynamic_pointer_cast<PosixSourceAccessor>()->mtime;
}
void dumpPath(const Path & path, Sink & sink, PathFilter & filter)

17
src/libutil/file-content-address.cc
View file

@ -1,6 +1,7 @@
#include "file-content-address.hh"
#include "archive.hh"
#include "git.hh"
#include "source-path.hh"
namespace nix {
@ -68,17 +69,17 @@ std::string_view renderFileIngestionMethod(FileIngestionMethod method)
void dumpPath(
SourceAccessor & accessor, const CanonPath & path,
const SourcePath & path,
Sink & sink,
FileSerialisationMethod method,
PathFilter & filter)
{
switch (method) {
case FileSerialisationMethod::Flat:
accessor.readFile(path, sink);
path.readFile(sink);
break;
case FileSerialisationMethod::Recursive:
accessor.dumpPath(path, sink, filter);
path.dumpPath(sink, filter);
break;
}
}
@ -101,27 +102,27 @@ void restorePath(
HashResult hashPath(
SourceAccessor & accessor, const CanonPath & path,
const SourcePath & path,
FileSerialisationMethod method, HashAlgorithm ha,
PathFilter & filter)
{
HashSink sink { ha };
dumpPath(accessor, path, sink, method, filter);
dumpPath(path, sink, method, filter);
return sink.finish();
}
Hash hashPath(
SourceAccessor & accessor, const CanonPath & path,
const SourcePath & path,
FileIngestionMethod method, HashAlgorithm ht,
PathFilter & filter)
{
switch (method) {
case FileIngestionMethod::Flat:
case FileIngestionMethod::Recursive:
return hashPath(accessor, path, (FileSerialisationMethod) method, ht, filter).first;
return hashPath(path, (FileSerialisationMethod) method, ht, filter).first;
case FileIngestionMethod::Git:
return git::dumpHash(ht, accessor, path, filter).hash;
return git::dumpHash(ht, path, filter).hash;
}
assert(false);
}

8
src/libutil/file-content-address.hh
View file

@ -7,6 +7,8 @@
namespace nix {
struct SourcePath;
/**
* An enumeration of the ways we can serialize file system
* objects.
@ -45,7 +47,7 @@ std::string_view renderFileSerialisationMethod(FileSerialisationMethod method);
* Dump a serialization of the given file system object.
*/
void dumpPath(
SourceAccessor & accessor, const CanonPath & path,
const SourcePath & path,
Sink & sink,
FileSerialisationMethod method,
PathFilter & filter = defaultPathFilter);
@ -72,7 +74,7 @@ void restorePath(
* ```
*/
HashResult hashPath(
SourceAccessor & accessor, const CanonPath & path,
const SourcePath & path,
FileSerialisationMethod method, HashAlgorithm ha,
PathFilter & filter = defaultPathFilter);
@ -138,7 +140,7 @@ std::string_view renderFileIngestionMethod(FileIngestionMethod method);
* useful defined for a merkle format.
*/
Hash hashPath(
SourceAccessor & accessor, const CanonPath & path,
const SourcePath & path,
FileIngestionMethod method, HashAlgorithm ha,
PathFilter & filter = defaultPathFilter);

22
src/libutil/git.cc
View file

@ -8,7 +8,6 @@
#include "signals.hh"
#include "config.hh"
#include "hash.hh"
#include "posix-source-accessor.hh"
#include "git.hh"
#include "serialise.hh"
@ -269,18 +268,18 @@ void dumpTree(const Tree & entries, Sink & sink,
Mode dump(
SourceAccessor & accessor, const CanonPath & path,
const SourcePath & path,
Sink & sink,
std::function<DumpHook> hook,
PathFilter & filter,
const ExperimentalFeatureSettings & xpSettings)
{
auto st = accessor.lstat(path);
auto st = path.lstat();
switch (st.type) {
case SourceAccessor::tRegular:
{
accessor.readFile(path, sink, [&](uint64_t size) {
path.readFile(sink, [&](uint64_t size) {
dumpBlobPrefix(size, sink, xpSettings);
});
return st.isExecutable
@ -291,9 +290,9 @@ Mode dump(
case SourceAccessor::tDirectory:
{
Tree entries;
for (auto & [name, _] : accessor.readDirectory(path)) {
for (auto & [name, _] : path.readDirectory()) {
auto child = path / name;
if (!filter(child.abs())) continue;
if (!filter(child.path.abs())) continue;
auto entry = hook(child);
@ -309,7 +308,7 @@ Mode dump(
case SourceAccessor::tSymlink:
{
auto target = accessor.readLink(path);
auto target = path.readLink();
dumpBlobPrefix(target.size(), sink, xpSettings);
sink(target);
return Mode::Symlink;
@ -323,13 +322,14 @@ Mode dump(
TreeEntry dumpHash(
HashAlgorithm ha,
SourceAccessor & accessor, const CanonPath & path, PathFilter & filter)
HashAlgorithm ha,
const SourcePath & path,
PathFilter & filter)
{
std::function<DumpHook> hook;
hook = [&](const CanonPath & path) -> TreeEntry {
hook = [&](const SourcePath & path) -> TreeEntry {
auto hashSink = HashSink(ha);
auto mode = dump(accessor, path, hashSink, hook, filter);
auto mode = dump(path, hashSink, hook, filter);
auto hash = hashSink.finish().first;
return {
.mode = mode,

14
src/libutil/git.hh
View file

@ -8,7 +8,7 @@
#include "types.hh"
#include "serialise.hh"
#include "hash.hh"
#include "source-accessor.hh"
#include "source-path.hh"
#include "fs-sink.hh"
namespace nix::git {
@ -125,7 +125,7 @@ std::optional<Mode> convertMode(SourceAccessor::Type type);
* Given a `Hash`, return a `SourceAccessor` and `CanonPath` pointing to
* the file system object with that path.
*/
using RestoreHook = std::pair<SourceAccessor *, CanonPath>(Hash);
using RestoreHook = SourcePath(Hash);
/**
* Wrapper around `parse` and `RestoreSink`
@ -157,10 +157,10 @@ void dumpTree(
* Note that if the child is a directory, its child in must also be so
* processed in order to compute this information.
*/
using DumpHook = TreeEntry(const CanonPath & path);
using DumpHook = TreeEntry(const SourcePath & path);
Mode dump(
SourceAccessor & accessor, const CanonPath & path,
const SourcePath & path,
Sink & sink,
std::function<DumpHook> hook,
PathFilter & filter = defaultPathFilter,
@ -172,9 +172,9 @@ Mode dump(
* A smaller wrapper around `dump`.
*/
TreeEntry dumpHash(
HashAlgorithm ha,
SourceAccessor & accessor, const CanonPath & path,
PathFilter & filter = defaultPathFilter);
HashAlgorithm ha,
const SourcePath & path,
PathFilter & filter = defaultPathFilter);
/**
* A line from the output of `git ls-remote --symref`.

5
src/libutil/posix-source-accessor.cc
View file

@ -1,4 +1,5 @@
#include "posix-source-accessor.hh"
#include "source-path.hh"
#include "signals.hh"
#include "sync.hh"
@ -17,11 +18,11 @@ PosixSourceAccessor::PosixSourceAccessor()
: PosixSourceAccessor(std::filesystem::path {})
{ }
std::pair<PosixSourceAccessor, CanonPath> PosixSourceAccessor::createAtRoot(const std::filesystem::path & path)
SourcePath PosixSourceAccessor::createAtRoot(const std::filesystem::path & path)
{
std::filesystem::path path2 = absPath(path.string());
return {
PosixSourceAccessor { path2.root_path() },
make_ref<PosixSourceAccessor>(path2.root_path()),
CanonPath { path2.relative_path().string() },
};
}

4
src/libutil/posix-source-accessor.hh
View file

@ -4,6 +4,8 @@
namespace nix {
struct SourcePath;
/**
* A source accessor that uses the Unix filesystem.
*/
@ -53,7 +55,7 @@ struct PosixSourceAccessor : virtual SourceAccessor
* and
* [`std::filesystem::path::relative_path`](https://en.cppreference.com/w/cpp/filesystem/path/relative_path).
*/
static std::pair<PosixSourceAccessor, CanonPath> createAtRoot(const std::filesystem::path & path);
static SourcePath createAtRoot(const std::filesystem::path & path);
private:

5
src/libutil/source-path.hh
View file

@ -41,6 +41,11 @@ struct SourcePath
*/
std::string readFile() const;
void readFile(
Sink & sink,
std::function<void(uint64_t)> sizeCallback = [](uint64_t size){}) const
{ return accessor->readFile(path, sink, sizeCallback); }
/**
* Return whether this `SourcePath` denotes a file (of any type)
* that exists

8
src/nix-store/nix-store.cc
View file

@ -184,7 +184,7 @@ static void opAdd(Strings opFlags, Strings opArgs)
for (auto & i : opArgs) {
auto [accessor, canonPath] = PosixSourceAccessor::createAtRoot(i);
cout << fmt("%s\n", store->printStorePath(store->addToStore(
std::string(baseNameOf(i)), accessor, canonPath)));
std::string(baseNameOf(i)), {accessor, canonPath})));
}
}
@ -209,8 +209,7 @@ static void opAddFixed(Strings opFlags, Strings opArgs)
auto [accessor, canonPath] = PosixSourceAccessor::createAtRoot(i);
std::cout << fmt("%s\n", store->printStorePath(store->addToStoreSlow(
baseNameOf(i),
accessor,
canonPath,
{accessor, canonPath},
method,
hashAlgo).path));
}
@ -562,8 +561,7 @@ static void registerValidity(bool reregister, bool hashGiven, bool canonicalise)
#endif
if (!hashGiven) {
HashResult hash = hashPath(
*store->getFSAccessor(false), CanonPath { store->printStorePath(info->path) },
{store->getFSAccessor(false), CanonPath { store->printStorePath(info->path) }},
FileSerialisationMethod::Recursive, HashAlgorithm::SHA256);
info->narHash = hash.first;
info->narSize = hash.second;

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

@ -41,9 +41,9 @@ struct CmdAddToStore : MixDryRun, StoreCommand
auto storePath = dryRun
? store->computeStorePath(
*namePart, accessor, path2, caMethod, hashAlgo, {}).first
*namePart, {accessor, path2}, caMethod, hashAlgo, {}).first
: store->addToStoreSlow(
*namePart, accessor, path2, caMethod, hashAlgo, {}).path;
*namePart, {accessor, path2}, caMethod, hashAlgo, {}).path;
logger->cout("%s", store->printStorePath(storePath));
}

11
src/nix/hash.cc
View file

@ -87,30 +87,29 @@ struct CmdHashBase : Command
return std::make_unique<HashSink>(hashAlgo);
};
auto [accessor_, canonPath] = PosixSourceAccessor::createAtRoot(path);
auto & accessor = accessor_;
auto path2 = PosixSourceAccessor::createAtRoot(path);
Hash h { HashAlgorithm::SHA256 }; // throwaway def to appease C++
switch (mode) {
case FileIngestionMethod::Flat:
case FileIngestionMethod::Recursive:
{
auto hashSink = makeSink();
dumpPath(accessor, canonPath, *hashSink, (FileSerialisationMethod) mode);
dumpPath(path2, *hashSink, (FileSerialisationMethod) mode);
h = hashSink->finish().first;
break;
}
case FileIngestionMethod::Git: {
std::function<git::DumpHook> hook;
hook = [&](const CanonPath & path) -> git::TreeEntry {
hook = [&](const SourcePath & path) -> git::TreeEntry {
auto hashSink = makeSink();
auto mode = dump(accessor, path, *hashSink, hook);
auto mode = dump(path, *hashSink, hook);
auto hash = hashSink->finish().first;
return {
.mode = mode,
.hash = hash,
};
};
h = hook(canonPath).hash;
h = hook(path2).hash;
break;
}
}

3
src/nix/prefetch.cc
View file

@ -125,9 +125,8 @@ std::tuple<StorePath, Hash> prefetchFile(
Activity act(*logger, lvlChatty, actUnknown,
fmt("adding '%s' to the store", url));
auto [accessor, canonPath] = PosixSourceAccessor::createAtRoot(tmpFile);
auto info = store->addToStoreSlow(
*name, accessor, canonPath,
*name, PosixSourceAccessor::createAtRoot(tmpFile),
ingestionMethod, hashAlgo, {}, expectedHash);
storePath = info.path;
assert(info.ca);

16
tests/unit/libutil/git.cc
View file

@ -154,8 +154,8 @@ TEST_F(GitTest, tree_write) {
TEST_F(GitTest, both_roundrip) {
using File = MemorySourceAccessor::File;
MemorySourceAccessor files;
files.root = File::Directory {
auto files = make_ref<MemorySourceAccessor>();
files->root = File::Directory {
.contents {
{
"foo",
@ -189,12 +189,12 @@ TEST_F(GitTest, both_roundrip) {
std::map<Hash, std::string> cas;
std::function<DumpHook> dumpHook;
dumpHook = [&](const CanonPath & path) {
dumpHook = [&](const SourcePath & path) {
StringSink s;
HashSink hashSink { HashAlgorithm::SHA1 };
TeeSink s2 { s, hashSink };
auto mode = dump(
files, path, s2, dumpHook,
path, s2, dumpHook,
defaultPathFilter, mockXpSettings);
auto hash = hashSink.finish().first;
cas.insert_or_assign(hash, std::move(s.s));
@ -204,11 +204,11 @@ TEST_F(GitTest, both_roundrip) {
};
};
auto root = dumpHook(CanonPath::root);
auto root = dumpHook({files});
MemorySourceAccessor files2;
auto files2 = make_ref<MemorySourceAccessor>();
MemorySink sinkFiles2 { files2 };
MemorySink sinkFiles2 { *files2 };
std::function<void(const Path, const Hash &, BlobMode)> mkSinkHook;
mkSinkHook = [&](auto prefix, auto & hash, auto blobMode) {
@ -229,7 +229,7 @@ TEST_F(GitTest, both_roundrip) {
mkSinkHook("", root.hash, BlobMode::Regular);
ASSERT_EQ(files, files2);
ASSERT_EQ(*files, *files2);
}
TEST(GitLsRemote, parseSymrefLineWithReference) {