Merge pull request #3738 from obsidiansystems/hash-always-has-type

Hash always has a valid type
This commit is contained in:
Eelco Dolstra 2020-07-27 18:40:57 +02:00 committed by GitHub
commit 86805a2c0a
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GPG key ID: 4AEE18F83AFDEB23
31 changed files with 149 additions and 145 deletions

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@ -80,7 +80,7 @@ SV * queryReferences(char * path)
SV * queryPathHash(char * path) SV * queryPathHash(char * path)
PPCODE: PPCODE:
try { try {
auto s = store()->queryPathInfo(store()->parseStorePath(path))->narHash.to_string(Base32, true); auto s = store()->queryPathInfo(store()->parseStorePath(path))->narHash->to_string(Base32, true);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0))); XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) { } catch (Error & e) {
croak("%s", e.what()); croak("%s", e.what());
@ -106,7 +106,7 @@ SV * queryPathInfo(char * path, int base32)
XPUSHs(&PL_sv_undef); XPUSHs(&PL_sv_undef);
else else
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(*info->deriver).c_str(), 0))); XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(*info->deriver).c_str(), 0)));
auto s = info->narHash.to_string(base32 ? Base32 : Base16, true); auto s = info->narHash->to_string(base32 ? Base32 : Base16, true);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0))); XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
mXPUSHi(info->registrationTime); mXPUSHi(info->registrationTime);
mXPUSHi(info->narSize); mXPUSHi(info->narSize);

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@ -285,11 +285,10 @@ static std::shared_ptr<AttrDb> makeAttrDb(const Hash & fingerprint)
} }
EvalCache::EvalCache( EvalCache::EvalCache(
bool useCache, std::optional<std::reference_wrapper<const Hash>> useCache,
const Hash & fingerprint,
EvalState & state, EvalState & state,
RootLoader rootLoader) RootLoader rootLoader)
: db(useCache ? makeAttrDb(fingerprint) : nullptr) : db(useCache ? makeAttrDb(*useCache) : nullptr)
, state(state) , state(state)
, rootLoader(rootLoader) , rootLoader(rootLoader)
{ {

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@ -4,6 +4,7 @@
#include "hash.hh" #include "hash.hh"
#include "eval.hh" #include "eval.hh"
#include <functional>
#include <variant> #include <variant>
namespace nix::eval_cache { namespace nix::eval_cache {
@ -26,8 +27,7 @@ class EvalCache : public std::enable_shared_from_this<EvalCache>
public: public:
EvalCache( EvalCache(
bool useCache, std::optional<std::reference_wrapper<const Hash>> useCache,
const Hash & fingerprint,
EvalState & state, EvalState & state,
RootLoader rootLoader); RootLoader rootLoader);

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@ -1124,7 +1124,7 @@ static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Valu
static void addPath(EvalState & state, const Pos & pos, const string & name, const Path & path_, static void addPath(EvalState & state, const Pos & pos, const string & name, const Path & path_,
Value * filterFun, FileIngestionMethod method, const Hash & expectedHash, Value & v) Value * filterFun, FileIngestionMethod method, const std::optional<Hash> expectedHash, Value & v)
{ {
const auto path = evalSettings.pureEval && expectedHash ? const auto path = evalSettings.pureEval && expectedHash ?
path_ : path_ :
@ -1155,7 +1155,7 @@ static void addPath(EvalState & state, const Pos & pos, const string & name, con
std::optional<StorePath> expectedStorePath; std::optional<StorePath> expectedStorePath;
if (expectedHash) if (expectedHash)
expectedStorePath = state.store->makeFixedOutputPath(method, expectedHash, name); expectedStorePath = state.store->makeFixedOutputPath(method, *expectedHash, name);
Path dstPath; Path dstPath;
if (!expectedHash || !state.store->isValidPath(*expectedStorePath)) { if (!expectedHash || !state.store->isValidPath(*expectedStorePath)) {
dstPath = state.store->printStorePath(settings.readOnlyMode dstPath = state.store->printStorePath(settings.readOnlyMode
@ -1189,7 +1189,7 @@ static void prim_filterSource(EvalState & state, const Pos & pos, Value * * args
.errPos = pos .errPos = pos
}); });
addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, Hash(), v); addPath(state, pos, std::string(baseNameOf(path)), path, args[0], FileIngestionMethod::Recursive, std::nullopt, v);
} }
static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value & v) static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value & v)
@ -1199,7 +1199,7 @@ static void prim_path(EvalState & state, const Pos & pos, Value * * args, Value
string name; string name;
Value * filterFun = nullptr; Value * filterFun = nullptr;
auto method = FileIngestionMethod::Recursive; auto method = FileIngestionMethod::Recursive;
Hash expectedHash; Hash expectedHash(htSHA256);
for (auto & attr : *args[0]->attrs) { for (auto & attr : *args[0]->attrs) {
const string & n(attr.name); const string & n(attr.name);

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@ -159,7 +159,7 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v,
: hashFile(htSHA256, path); : hashFile(htSHA256, path);
if (hash != *expectedHash) if (hash != *expectedHash)
throw Error((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n wanted: %s\n got: %s", throw Error((unsigned int) 102, "hash mismatch in file downloaded from '%s':\n wanted: %s\n got: %s",
*url, expectedHash->to_string(Base32, true), hash.to_string(Base32, true)); *url, expectedHash->to_string(Base32, true), hash->to_string(Base32, true));
} }
if (state.allowedPaths) if (state.allowedPaths)

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@ -130,12 +130,12 @@ std::pair<Tree, Input> Input::fetch(ref<Store> store) const
tree.actualPath = store->toRealPath(tree.storePath); tree.actualPath = store->toRealPath(tree.storePath);
auto narHash = store->queryPathInfo(tree.storePath)->narHash; auto narHash = store->queryPathInfo(tree.storePath)->narHash;
input.attrs.insert_or_assign("narHash", narHash.to_string(SRI, true)); input.attrs.insert_or_assign("narHash", narHash->to_string(SRI, true));
if (auto prevNarHash = getNarHash()) { if (auto prevNarHash = getNarHash()) {
if (narHash != *prevNarHash) if (narHash != *prevNarHash)
throw Error("NAR hash mismatch in input '%s' (%s), expected '%s', got '%s'", throw Error("NAR hash mismatch in input '%s' (%s), expected '%s', got '%s'",
to_string(), tree.actualPath, prevNarHash->to_string(SRI, true), narHash.to_string(SRI, true)); to_string(), tree.actualPath, prevNarHash->to_string(SRI, true), narHash->to_string(SRI, true));
} }
if (auto prevLastModified = getLastModified()) { if (auto prevLastModified = getLastModified()) {

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@ -178,7 +178,7 @@ void BinaryCacheStore::addToStore(const ValidPathInfo & info, Source & narSource
auto [fileHash, fileSize] = fileHashSink.finish(); auto [fileHash, fileSize] = fileHashSink.finish();
narInfo->fileHash = fileHash; narInfo->fileHash = fileHash;
narInfo->fileSize = fileSize; narInfo->fileSize = fileSize;
narInfo->url = "nar/" + narInfo->fileHash.to_string(Base32, false) + ".nar" narInfo->url = "nar/" + narInfo->fileHash->to_string(Base32, false) + ".nar"
+ (compression == "xz" ? ".xz" : + (compression == "xz" ? ".xz" :
compression == "bzip2" ? ".bz2" : compression == "bzip2" ? ".bz2" :
compression == "br" ? ".br" : compression == "br" ? ".br" :
@ -372,7 +372,7 @@ StorePath BinaryCacheStore::addToStore(const string & name, const Path & srcPath
method for very large paths, but `copyPath' is mainly used for method for very large paths, but `copyPath' is mainly used for
small files. */ small files. */
StringSink sink; StringSink sink;
Hash h; std::optional<Hash> h;
if (method == FileIngestionMethod::Recursive) { if (method == FileIngestionMethod::Recursive) {
dumpPath(srcPath, sink, filter); dumpPath(srcPath, sink, filter);
h = hashString(hashAlgo, *sink.s); h = hashString(hashAlgo, *sink.s);
@ -382,7 +382,7 @@ StorePath BinaryCacheStore::addToStore(const string & name, const Path & srcPath
h = hashString(hashAlgo, s); h = hashString(hashAlgo, s);
} }
ValidPathInfo info(makeFixedOutputPath(method, h, name)); ValidPathInfo info(makeFixedOutputPath(method, *h, name));
auto source = StringSource { *sink.s }; auto source = StringSource { *sink.s };
addToStore(info, source, repair, CheckSigs); addToStore(info, source, repair, CheckSigs);

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@ -3737,8 +3737,8 @@ void DerivationGoal::registerOutputs()
/* Check the hash. In hash mode, move the path produced by /* Check the hash. In hash mode, move the path produced by
the derivation to its content-addressed location. */ the derivation to its content-addressed location. */
Hash h2 = outputHash.method == FileIngestionMethod::Recursive Hash h2 = outputHash.method == FileIngestionMethod::Recursive
? hashPath(*outputHash.hash.type, actualPath).first ? hashPath(outputHash.hash.type, actualPath).first
: hashFile(*outputHash.hash.type, actualPath); : hashFile(outputHash.hash.type, actualPath);
auto dest = worker.store.makeFixedOutputPath(outputHash.method, h2, i.second.path(worker.store, drv->name).name()); auto dest = worker.store.makeFixedOutputPath(outputHash.method, h2, i.second.path(worker.store, drv->name).name());
@ -3787,8 +3787,10 @@ void DerivationGoal::registerOutputs()
time. The hash is stored in the database so that we can time. The hash is stored in the database so that we can
verify later on whether nobody has messed with the store. */ verify later on whether nobody has messed with the store. */
debug("scanning for references inside '%1%'", path); debug("scanning for references inside '%1%'", path);
HashResult hash; // HashResult hash;
auto references = worker.store.parseStorePathSet(scanForReferences(actualPath, worker.store.printStorePathSet(referenceablePaths), hash)); auto pathSetAndHash = scanForReferences(actualPath, worker.store.printStorePathSet(referenceablePaths));
auto references = worker.store.parseStorePathSet(pathSetAndHash.first);
HashResult hash = pathSetAndHash.second;
if (buildMode == bmCheck) { if (buildMode == bmCheck) {
if (!worker.store.isValidPath(worker.store.parseStorePath(path))) continue; if (!worker.store.isValidPath(worker.store.parseStorePath(path))) continue;
@ -5010,7 +5012,7 @@ bool Worker::pathContentsGood(const StorePath & path)
if (!pathExists(store.printStorePath(path))) if (!pathExists(store.printStorePath(path)))
res = false; res = false;
else { else {
HashResult current = hashPath(*info->narHash.type, store.printStorePath(path)); HashResult current = hashPath(info->narHash->type, store.printStorePath(path));
Hash nullHash(htSHA256); Hash nullHash(htSHA256);
res = info->narHash == nullHash || info->narHash == current.first; res = info->narHash == nullHash || info->narHash == current.first;
} }

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@ -68,7 +68,7 @@ void builtinFetchurl(const BasicDerivation & drv, const std::string & netrcData)
for (auto hashedMirror : settings.hashedMirrors.get()) { for (auto hashedMirror : settings.hashedMirrors.get()) {
try { try {
if (!hasSuffix(hashedMirror, "/")) hashedMirror += '/'; if (!hasSuffix(hashedMirror, "/")) hashedMirror += '/';
fetch(hashedMirror + printHashType(*hash->hash.hash.type) + "/" + hash->hash.hash.to_string(Base16, false)); fetch(hashedMirror + printHashType(hash->hash.hash.type) + "/" + hash->hash.hash.to_string(Base16, false));
return; return;
} catch (Error & e) { } catch (Error & e) {
debug(e.what()); debug(e.what());

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@ -3,7 +3,7 @@
namespace nix { namespace nix {
std::string FixedOutputHash::printMethodAlgo() const { std::string FixedOutputHash::printMethodAlgo() const {
return makeFileIngestionPrefix(method) + printHashType(*hash.type); return makeFileIngestionPrefix(method) + printHashType(hash.type);
} }
std::string makeFileIngestionPrefix(const FileIngestionMethod m) { std::string makeFileIngestionPrefix(const FileIngestionMethod m) {
@ -46,7 +46,7 @@ ContentAddress parseContentAddress(std::string_view rawCa) {
if (prefix == "text") { if (prefix == "text") {
auto hashTypeAndHash = rawCa.substr(prefixSeparator+1, string::npos); auto hashTypeAndHash = rawCa.substr(prefixSeparator+1, string::npos);
Hash hash = Hash(string(hashTypeAndHash)); Hash hash = Hash(string(hashTypeAndHash));
if (*hash.type != htSHA256) { if (hash.type != htSHA256) {
throw Error("parseContentAddress: the text hash should have type SHA256"); throw Error("parseContentAddress: the text hash should have type SHA256");
} }
return TextHash { hash }; return TextHash { hash };

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@ -289,7 +289,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
logger->startWork(); logger->startWork();
auto hash = store->queryPathInfo(path)->narHash; auto hash = store->queryPathInfo(path)->narHash;
logger->stopWork(); logger->stopWork();
to << hash.to_string(Base16, false); to << hash->to_string(Base16, false);
break; break;
} }
@ -632,7 +632,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
if (GET_PROTOCOL_MINOR(clientVersion) >= 17) if (GET_PROTOCOL_MINOR(clientVersion) >= 17)
to << 1; to << 1;
to << (info->deriver ? store->printStorePath(*info->deriver) : "") to << (info->deriver ? store->printStorePath(*info->deriver) : "")
<< info->narHash.to_string(Base16, false); << info->narHash->to_string(Base16, false);
writeStorePaths(*store, to, info->references); writeStorePaths(*store, to, info->references);
to << info->registrationTime << info->narSize; to << info->registrationTime << info->narSize;
if (GET_PROTOCOL_MINOR(clientVersion) >= 16) { if (GET_PROTOCOL_MINOR(clientVersion) >= 16) {

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@ -38,9 +38,9 @@ void Store::exportPath(const StorePath & path, Sink & sink)
filesystem corruption from spreading to other machines. filesystem corruption from spreading to other machines.
Don't complain if the stored hash is zero (unknown). */ Don't complain if the stored hash is zero (unknown). */
Hash hash = hashSink.currentHash().first; Hash hash = hashSink.currentHash().first;
if (hash != info->narHash && info->narHash != Hash(*info->narHash.type)) if (hash != info->narHash && info->narHash != Hash(info->narHash->type))
throw Error("hash of path '%s' has changed from '%s' to '%s'!", throw Error("hash of path '%s' has changed from '%s' to '%s'!",
printStorePath(path), info->narHash.to_string(Base32, true), hash.to_string(Base32, true)); printStorePath(path), info->narHash->to_string(Base32, true), hash.to_string(Base32, true));
teeSink teeSink
<< exportMagic << exportMagic

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@ -113,7 +113,7 @@ struct LegacySSHStore : public Store
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 4) { if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 4) {
auto s = readString(conn->from); auto s = readString(conn->from);
info->narHash = s.empty() ? Hash() : Hash(s); info->narHash = s.empty() ? std::optional<Hash>{} : Hash{s};
info->ca = parseContentAddressOpt(readString(conn->from)); info->ca = parseContentAddressOpt(readString(conn->from));
info->sigs = readStrings<StringSet>(conn->from); info->sigs = readStrings<StringSet>(conn->from);
} }
@ -138,7 +138,7 @@ struct LegacySSHStore : public Store
<< cmdAddToStoreNar << cmdAddToStoreNar
<< printStorePath(info.path) << printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "") << (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash.to_string(Base16, false); << info.narHash->to_string(Base16, false);
writeStorePaths(*this, conn->to, info.references); writeStorePaths(*this, conn->to, info.references);
conn->to conn->to
<< info.registrationTime << info.registrationTime

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@ -579,7 +579,7 @@ uint64_t LocalStore::addValidPath(State & state,
state.stmtRegisterValidPath.use() state.stmtRegisterValidPath.use()
(printStorePath(info.path)) (printStorePath(info.path))
(info.narHash.to_string(Base16, true)) (info.narHash->to_string(Base16, true))
(info.registrationTime == 0 ? time(0) : info.registrationTime) (info.registrationTime == 0 ? time(0) : info.registrationTime)
(info.deriver ? printStorePath(*info.deriver) : "", (bool) info.deriver) (info.deriver ? printStorePath(*info.deriver) : "", (bool) info.deriver)
(info.narSize, info.narSize != 0) (info.narSize, info.narSize != 0)
@ -679,7 +679,7 @@ void LocalStore::updatePathInfo(State & state, const ValidPathInfo & info)
{ {
state.stmtUpdatePathInfo.use() state.stmtUpdatePathInfo.use()
(info.narSize, info.narSize != 0) (info.narSize, info.narSize != 0)
(info.narHash.to_string(Base16, true)) (info.narHash->to_string(Base16, true))
(info.ultimate ? 1 : 0, info.ultimate) (info.ultimate ? 1 : 0, info.ultimate)
(concatStringsSep(" ", info.sigs), !info.sigs.empty()) (concatStringsSep(" ", info.sigs), !info.sigs.empty())
(renderContentAddress(info.ca), (bool) info.ca) (renderContentAddress(info.ca), (bool) info.ca)
@ -893,7 +893,7 @@ void LocalStore::registerValidPaths(const ValidPathInfos & infos)
StorePathSet paths; StorePathSet paths;
for (auto & i : infos) { for (auto & i : infos) {
assert(i.narHash.type == htSHA256); assert(i.narHash && i.narHash->type == htSHA256);
if (isValidPath_(*state, i.path)) if (isValidPath_(*state, i.path))
updatePathInfo(*state, i); updatePathInfo(*state, i);
else else
@ -1006,7 +1006,7 @@ void LocalStore::addToStore(const ValidPathInfo & info, Source & source,
if (hashResult.first != info.narHash) if (hashResult.first != info.narHash)
throw Error("hash mismatch importing path '%s';\n wanted: %s\n got: %s", throw Error("hash mismatch importing path '%s';\n wanted: %s\n got: %s",
printStorePath(info.path), info.narHash.to_string(Base32, true), hashResult.first.to_string(Base32, true)); printStorePath(info.path), info.narHash->to_string(Base32, true), hashResult.first.to_string(Base32, true));
if (hashResult.second != info.narSize) if (hashResult.second != info.narSize)
throw Error("size mismatch importing path '%s';\n wanted: %s\n got: %s", throw Error("size mismatch importing path '%s';\n wanted: %s\n got: %s",
@ -1302,9 +1302,9 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
std::unique_ptr<AbstractHashSink> hashSink; std::unique_ptr<AbstractHashSink> hashSink;
if (!info->ca || !info->references.count(info->path)) if (!info->ca || !info->references.count(info->path))
hashSink = std::make_unique<HashSink>(*info->narHash.type); hashSink = std::make_unique<HashSink>(info->narHash->type);
else else
hashSink = std::make_unique<HashModuloSink>(*info->narHash.type, std::string(info->path.hashPart())); hashSink = std::make_unique<HashModuloSink>(info->narHash->type, std::string(info->path.hashPart()));
dumpPath(Store::toRealPath(i), *hashSink); dumpPath(Store::toRealPath(i), *hashSink);
auto current = hashSink->finish(); auto current = hashSink->finish();
@ -1313,7 +1313,7 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
logError({ logError({
.name = "Invalid hash - path modified", .name = "Invalid hash - path modified",
.hint = hintfmt("path '%s' was modified! expected hash '%s', got '%s'", .hint = hintfmt("path '%s' was modified! expected hash '%s', got '%s'",
printStorePath(i), info->narHash.to_string(Base32, true), current.first.to_string(Base32, true)) printStorePath(i), info->narHash->to_string(Base32, true), current.first.to_string(Base32, true))
}); });
if (repair) repairPath(i); else errors = true; if (repair) repairPath(i); else errors = true;
} else { } else {

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@ -230,9 +230,9 @@ public:
(std::string(info->path.name())) (std::string(info->path.name()))
(narInfo ? narInfo->url : "", narInfo != 0) (narInfo ? narInfo->url : "", narInfo != 0)
(narInfo ? narInfo->compression : "", narInfo != 0) (narInfo ? narInfo->compression : "", narInfo != 0)
(narInfo && narInfo->fileHash ? narInfo->fileHash.to_string(Base32, true) : "", narInfo && narInfo->fileHash) (narInfo && narInfo->fileHash ? narInfo->fileHash->to_string(Base32, true) : "", narInfo && narInfo->fileHash)
(narInfo ? narInfo->fileSize : 0, narInfo != 0 && narInfo->fileSize) (narInfo ? narInfo->fileSize : 0, narInfo != 0 && narInfo->fileSize)
(info->narHash.to_string(Base32, true)) (info->narHash->to_string(Base32, true))
(info->narSize) (info->narSize)
(concatStringsSep(" ", info->shortRefs())) (concatStringsSep(" ", info->shortRefs()))
(info->deriver ? std::string(info->deriver->to_string()) : "", (bool) info->deriver) (info->deriver ? std::string(info->deriver->to_string()) : "", (bool) info->deriver)

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@ -7,15 +7,14 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
: ValidPathInfo(StorePath(StorePath::dummy)) // FIXME: hack : ValidPathInfo(StorePath(StorePath::dummy)) // FIXME: hack
{ {
auto corrupt = [&]() { auto corrupt = [&]() {
throw Error("NAR info file '%1%' is corrupt", whence); return Error("NAR info file '%1%' is corrupt", whence);
}; };
auto parseHashField = [&](const string & s) { auto parseHashField = [&](const string & s) {
try { try {
return Hash(s); return Hash(s);
} catch (BadHash &) { } catch (BadHash &) {
corrupt(); throw corrupt();
return Hash(); // never reached
} }
}; };
@ -25,12 +24,12 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
while (pos < s.size()) { while (pos < s.size()) {
size_t colon = s.find(':', pos); size_t colon = s.find(':', pos);
if (colon == std::string::npos) corrupt(); if (colon == std::string::npos) throw corrupt();
std::string name(s, pos, colon - pos); std::string name(s, pos, colon - pos);
size_t eol = s.find('\n', colon + 2); size_t eol = s.find('\n', colon + 2);
if (eol == std::string::npos) corrupt(); if (eol == std::string::npos) throw corrupt();
std::string value(s, colon + 2, eol - colon - 2); std::string value(s, colon + 2, eol - colon - 2);
@ -45,16 +44,16 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
else if (name == "FileHash") else if (name == "FileHash")
fileHash = parseHashField(value); fileHash = parseHashField(value);
else if (name == "FileSize") { else if (name == "FileSize") {
if (!string2Int(value, fileSize)) corrupt(); if (!string2Int(value, fileSize)) throw corrupt();
} }
else if (name == "NarHash") else if (name == "NarHash")
narHash = parseHashField(value); narHash = parseHashField(value);
else if (name == "NarSize") { else if (name == "NarSize") {
if (!string2Int(value, narSize)) corrupt(); if (!string2Int(value, narSize)) throw corrupt();
} }
else if (name == "References") { else if (name == "References") {
auto refs = tokenizeString<Strings>(value, " "); auto refs = tokenizeString<Strings>(value, " ");
if (!references.empty()) corrupt(); if (!references.empty()) throw corrupt();
for (auto & r : refs) for (auto & r : refs)
references.insert(StorePath(r)); references.insert(StorePath(r));
} }
@ -67,7 +66,7 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
else if (name == "Sig") else if (name == "Sig")
sigs.insert(value); sigs.insert(value);
else if (name == "CA") { else if (name == "CA") {
if (ca) corrupt(); if (ca) throw corrupt();
// FIXME: allow blank ca or require skipping field? // FIXME: allow blank ca or require skipping field?
ca = parseContentAddressOpt(value); ca = parseContentAddressOpt(value);
} }
@ -77,7 +76,7 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
if (compression == "") compression = "bzip2"; if (compression == "") compression = "bzip2";
if (!havePath || url.empty() || narSize == 0 || !narHash) corrupt(); if (!havePath || url.empty() || narSize == 0 || !narHash) throw corrupt();
} }
std::string NarInfo::to_string(const Store & store) const std::string NarInfo::to_string(const Store & store) const
@ -87,11 +86,11 @@ std::string NarInfo::to_string(const Store & store) const
res += "URL: " + url + "\n"; res += "URL: " + url + "\n";
assert(compression != ""); assert(compression != "");
res += "Compression: " + compression + "\n"; res += "Compression: " + compression + "\n";
assert(fileHash.type == htSHA256); assert(fileHash && fileHash->type == htSHA256);
res += "FileHash: " + fileHash.to_string(Base32, true) + "\n"; res += "FileHash: " + fileHash->to_string(Base32, true) + "\n";
res += "FileSize: " + std::to_string(fileSize) + "\n"; res += "FileSize: " + std::to_string(fileSize) + "\n";
assert(narHash.type == htSHA256); assert(narHash && narHash->type == htSHA256);
res += "NarHash: " + narHash.to_string(Base32, true) + "\n"; res += "NarHash: " + narHash->to_string(Base32, true) + "\n";
res += "NarSize: " + std::to_string(narSize) + "\n"; res += "NarSize: " + std::to_string(narSize) + "\n";
res += "References: " + concatStringsSep(" ", shortRefs()) + "\n"; res += "References: " + concatStringsSep(" ", shortRefs()) + "\n";

View file

@ -10,7 +10,7 @@ struct NarInfo : ValidPathInfo
{ {
std::string url; std::string url;
std::string compression; std::string compression;
Hash fileHash; std::optional<Hash> fileHash;
uint64_t fileSize = 0; uint64_t fileSize = 0;
std::string system; std::string system;

View file

@ -76,8 +76,8 @@ void RefScanSink::operator () (const unsigned char * data, size_t len)
} }
PathSet scanForReferences(const string & path, std::pair<PathSet, HashResult> scanForReferences(const string & path,
const PathSet & refs, HashResult & hash) const PathSet & refs)
{ {
RefScanSink refsSink; RefScanSink refsSink;
HashSink hashSink { htSHA256 }; HashSink hashSink { htSHA256 };
@ -111,9 +111,9 @@ PathSet scanForReferences(const string & path,
found.insert(j->second); found.insert(j->second);
} }
hash = hashSink.finish(); auto hash = hashSink.finish();
return found; return std::pair<PathSet, HashResult>(found, hash);
} }

View file

@ -5,8 +5,7 @@
namespace nix { namespace nix {
PathSet scanForReferences(const Path & path, const PathSet & refs, std::pair<PathSet, HashResult> scanForReferences(const Path & path, const PathSet & refs);
HashResult & hash);
struct RewritingSink : Sink struct RewritingSink : Sink
{ {

View file

@ -498,7 +498,7 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
conn->to << wopAddToStoreNar conn->to << wopAddToStoreNar
<< printStorePath(info.path) << printStorePath(info.path)
<< (info.deriver ? printStorePath(*info.deriver) : "") << (info.deriver ? printStorePath(*info.deriver) : "")
<< info.narHash.to_string(Base16, false); << info.narHash->to_string(Base16, false);
writeStorePaths(*this, conn->to, info.references); writeStorePaths(*this, conn->to, info.references);
conn->to << info.registrationTime << info.narSize conn->to << info.registrationTime << info.narSize
<< info.ultimate << info.sigs << renderContentAddress(info.ca) << info.ultimate << info.sigs << renderContentAddress(info.ca)

View file

@ -538,7 +538,7 @@ string Store::makeValidityRegistration(const StorePathSet & paths,
auto info = queryPathInfo(i); auto info = queryPathInfo(i);
if (showHash) { if (showHash) {
s += info->narHash.to_string(Base16, false) + "\n"; s += info->narHash->to_string(Base16, false) + "\n";
s += (format("%1%\n") % info->narSize).str(); s += (format("%1%\n") % info->narSize).str();
} }
@ -570,7 +570,7 @@ void Store::pathInfoToJSON(JSONPlaceholder & jsonOut, const StorePathSet & store
auto info = queryPathInfo(storePath); auto info = queryPathInfo(storePath);
jsonPath jsonPath
.attr("narHash", info->narHash.to_string(hashBase, true)) .attr("narHash", info->narHash->to_string(hashBase, true))
.attr("narSize", info->narSize); .attr("narSize", info->narSize);
{ {
@ -613,7 +613,7 @@ void Store::pathInfoToJSON(JSONPlaceholder & jsonOut, const StorePathSet & store
if (!narInfo->url.empty()) if (!narInfo->url.empty())
jsonPath.attr("url", narInfo->url); jsonPath.attr("url", narInfo->url);
if (narInfo->fileHash) if (narInfo->fileHash)
jsonPath.attr("downloadHash", narInfo->fileHash.to_string(hashBase, true)); jsonPath.attr("downloadHash", narInfo->fileHash->to_string(hashBase, true));
if (narInfo->fileSize) if (narInfo->fileSize)
jsonPath.attr("downloadSize", narInfo->fileSize); jsonPath.attr("downloadSize", narInfo->fileSize);
if (showClosureSize) if (showClosureSize)
@ -854,7 +854,7 @@ std::string ValidPathInfo::fingerprint(const Store & store) const
store.printStorePath(path)); store.printStorePath(path));
return return
"1;" + store.printStorePath(path) + ";" "1;" + store.printStorePath(path) + ";"
+ narHash.to_string(Base32, true) + ";" + narHash->to_string(Base32, true) + ";"
+ std::to_string(narSize) + ";" + std::to_string(narSize) + ";"
+ concatStringsSep(",", store.printStorePathSet(references)); + concatStringsSep(",", store.printStorePathSet(references));
} }

View file

@ -115,7 +115,8 @@ struct ValidPathInfo
{ {
StorePath path; StorePath path;
std::optional<StorePath> deriver; std::optional<StorePath> deriver;
Hash narHash; // TODO document this
std::optional<Hash> narHash;
StorePathSet references; StorePathSet references;
time_t registrationTime = 0; time_t registrationTime = 0;
uint64_t narSize = 0; // 0 = unknown uint64_t narSize = 0; // 0 = unknown

View file

@ -15,19 +15,22 @@
namespace nix { namespace nix {
static size_t regularHashSize(HashType type) {
switch (type) {
case htMD5: return md5HashSize;
case htSHA1: return sha1HashSize;
case htSHA256: return sha256HashSize;
case htSHA512: return sha512HashSize;
}
abort();
}
std::set<std::string> hashTypes = { "md5", "sha1", "sha256", "sha512" }; std::set<std::string> hashTypes = { "md5", "sha1", "sha256", "sha512" };
void Hash::init() void Hash::init()
{ {
assert(type); hashSize = regularHashSize(type);
switch (*type) {
case htMD5: hashSize = md5HashSize; break;
case htSHA1: hashSize = sha1HashSize; break;
case htSHA256: hashSize = sha256HashSize; break;
case htSHA512: hashSize = sha512HashSize; break;
}
assert(hashSize <= maxHashSize); assert(hashSize <= maxHashSize);
memset(hash, 0, maxHashSize); memset(hash, 0, maxHashSize);
} }
@ -108,17 +111,11 @@ string printHash16or32(const Hash & hash)
} }
HashType assertInitHashType(const Hash & h)
{
assert(h.type);
return *h.type;
}
std::string Hash::to_string(Base base, bool includeType) const std::string Hash::to_string(Base base, bool includeType) const
{ {
std::string s; std::string s;
if (base == SRI || includeType) { if (base == SRI || includeType) {
s += printHashType(assertInitHashType(*this)); s += printHashType(type);
s += base == SRI ? '-' : ':'; s += base == SRI ? '-' : ':';
} }
switch (base) { switch (base) {
@ -139,60 +136,66 @@ std::string Hash::to_string(Base base, bool includeType) const
Hash::Hash(std::string_view s, HashType type) : Hash(s, std::optional { type }) { } Hash::Hash(std::string_view s, HashType type) : Hash(s, std::optional { type }) { }
Hash::Hash(std::string_view s) : Hash(s, std::optional<HashType>{}) { } Hash::Hash(std::string_view s) : Hash(s, std::optional<HashType>{}) { }
Hash::Hash(std::string_view s, std::optional<HashType> type) Hash::Hash(std::string_view original, std::optional<HashType> optType)
: type(type)
{ {
auto rest = original;
size_t pos = 0; size_t pos = 0;
bool isSRI = false; bool isSRI = false;
auto sep = s.find(':'); // Parse the has type before the separater, if there was one.
if (sep == string::npos) { std::optional<HashType> optParsedType;
sep = s.find('-'); {
if (sep != string::npos) { auto sep = rest.find(':');
if (sep == std::string_view::npos) {
sep = rest.find('-');
if (sep != std::string_view::npos)
isSRI = true; isSRI = true;
} else if (! type) }
throw BadHash("hash '%s' does not include a type", s); if (sep != std::string_view::npos) {
auto hashRaw = rest.substr(0, sep);
optParsedType = parseHashType(hashRaw);
rest = rest.substr(sep + 1);
}
} }
if (sep != string::npos) { // Either the string or user must provide the type, if they both do they
string hts = string(s, 0, sep); // must agree.
this->type = parseHashType(hts); if (!optParsedType && !optType) {
if (!this->type) throw BadHash("hash '%s' does not include a type, nor is the type otherwise known from context.", rest);
throw BadHash("unknown hash type '%s'", hts); } else {
if (type && type != this->type) this->type = optParsedType ? *optParsedType : *optType;
throw BadHash("hash '%s' should have type '%s'", s, printHashType(*type)); if (optParsedType && optType && *optParsedType != *optType)
pos = sep + 1; throw BadHash("hash '%s' should have type '%s'", original, printHashType(*optType));
} }
init(); init();
size_t size = s.size() - pos; if (!isSRI && rest.size() == base16Len()) {
if (!isSRI && size == base16Len()) {
auto parseHexDigit = [&](char c) { auto parseHexDigit = [&](char c) {
if (c >= '0' && c <= '9') return c - '0'; if (c >= '0' && c <= '9') return c - '0';
if (c >= 'A' && c <= 'F') return c - 'A' + 10; if (c >= 'A' && c <= 'F') return c - 'A' + 10;
if (c >= 'a' && c <= 'f') return c - 'a' + 10; if (c >= 'a' && c <= 'f') return c - 'a' + 10;
throw BadHash("invalid base-16 hash '%s'", s); throw BadHash("invalid base-16 hash '%s'", original);
}; };
for (unsigned int i = 0; i < hashSize; i++) { for (unsigned int i = 0; i < hashSize; i++) {
hash[i] = hash[i] =
parseHexDigit(s[pos + i * 2]) << 4 parseHexDigit(rest[pos + i * 2]) << 4
| parseHexDigit(s[pos + i * 2 + 1]); | parseHexDigit(rest[pos + i * 2 + 1]);
} }
} }
else if (!isSRI && size == base32Len()) { else if (!isSRI && rest.size() == base32Len()) {
for (unsigned int n = 0; n < size; ++n) { for (unsigned int n = 0; n < rest.size(); ++n) {
char c = s[pos + size - n - 1]; char c = rest[rest.size() - n - 1];
unsigned char digit; unsigned char digit;
for (digit = 0; digit < base32Chars.size(); ++digit) /* !!! slow */ for (digit = 0; digit < base32Chars.size(); ++digit) /* !!! slow */
if (base32Chars[digit] == c) break; if (base32Chars[digit] == c) break;
if (digit >= 32) if (digit >= 32)
throw BadHash("invalid base-32 hash '%s'", s); throw BadHash("invalid base-32 hash '%s'", original);
unsigned int b = n * 5; unsigned int b = n * 5;
unsigned int i = b / 8; unsigned int i = b / 8;
unsigned int j = b % 8; unsigned int j = b % 8;
@ -202,21 +205,21 @@ Hash::Hash(std::string_view s, std::optional<HashType> type)
hash[i + 1] |= digit >> (8 - j); hash[i + 1] |= digit >> (8 - j);
} else { } else {
if (digit >> (8 - j)) if (digit >> (8 - j))
throw BadHash("invalid base-32 hash '%s'", s); throw BadHash("invalid base-32 hash '%s'", original);
} }
} }
} }
else if (isSRI || size == base64Len()) { else if (isSRI || rest.size() == base64Len()) {
auto d = base64Decode(s.substr(pos)); auto d = base64Decode(rest);
if (d.size() != hashSize) if (d.size() != hashSize)
throw BadHash("invalid %s hash '%s'", isSRI ? "SRI" : "base-64", s); throw BadHash("invalid %s hash '%s'", isSRI ? "SRI" : "base-64", original);
assert(hashSize); assert(hashSize);
memcpy(hash, d.data(), hashSize); memcpy(hash, d.data(), hashSize);
} }
else else
throw BadHash("hash '%s' has wrong length for hash type '%s'", s, printHashType(*type)); throw BadHash("hash '%s' has wrong length for hash type '%s'", rest, printHashType(this->type));
} }
Hash newHashAllowEmpty(std::string hashStr, std::optional<HashType> ht) Hash newHashAllowEmpty(std::string hashStr, std::optional<HashType> ht)
@ -269,7 +272,7 @@ static void finish(HashType ht, Ctx & ctx, unsigned char * hash)
} }
Hash hashString(HashType ht, const string & s) Hash hashString(HashType ht, std::string_view s)
{ {
Ctx ctx; Ctx ctx;
Hash hash(ht); Hash hash(ht);
@ -336,7 +339,7 @@ HashResult hashPath(
Hash compressHash(const Hash & hash, unsigned int newSize) Hash compressHash(const Hash & hash, unsigned int newSize)
{ {
Hash h; Hash h(hash.type);
h.hashSize = newSize; h.hashSize = newSize;
for (unsigned int i = 0; i < hash.hashSize; ++i) for (unsigned int i = 0; i < hash.hashSize; ++i)
h.hash[i % newSize] ^= hash.hash[i]; h.hash[i % newSize] ^= hash.hash[i];
@ -344,7 +347,7 @@ Hash compressHash(const Hash & hash, unsigned int newSize)
} }
std::optional<HashType> parseHashTypeOpt(const string & s) std::optional<HashType> parseHashTypeOpt(std::string_view s)
{ {
if (s == "md5") return htMD5; if (s == "md5") return htMD5;
else if (s == "sha1") return htSHA1; else if (s == "sha1") return htSHA1;
@ -353,7 +356,7 @@ std::optional<HashType> parseHashTypeOpt(const string & s)
else return std::optional<HashType> {}; else return std::optional<HashType> {};
} }
HashType parseHashType(const string & s) HashType parseHashType(std::string_view s)
{ {
auto opt_h = parseHashTypeOpt(s); auto opt_h = parseHashTypeOpt(s);
if (opt_h) if (opt_h)

View file

@ -27,14 +27,11 @@ enum Base : int { Base64, Base32, Base16, SRI };
struct Hash struct Hash
{ {
static const unsigned int maxHashSize = 64; constexpr static size_t maxHashSize = 64;
unsigned int hashSize = 0; size_t hashSize = 0;
unsigned char hash[maxHashSize] = {}; uint8_t hash[maxHashSize] = {};
std::optional<HashType> type = {}; HashType type;
/* Create an unset hash object. */
Hash() { };
/* Create a zero-filled hash object. */ /* Create a zero-filled hash object. */
Hash(HashType type) : type(type) { init(); }; Hash(HashType type) : type(type) { init(); };
@ -107,7 +104,7 @@ Hash newHashAllowEmpty(std::string hashStr, std::optional<HashType> ht);
string printHash16or32(const Hash & hash); string printHash16or32(const Hash & hash);
/* Compute the hash of the given string. */ /* Compute the hash of the given string. */
Hash hashString(HashType ht, const string & s); Hash hashString(HashType ht, std::string_view s);
/* Compute the hash of the given file. */ /* Compute the hash of the given file. */
Hash hashFile(HashType ht, const Path & path); Hash hashFile(HashType ht, const Path & path);
@ -123,10 +120,10 @@ HashResult hashPath(HashType ht, const Path & path,
Hash compressHash(const Hash & hash, unsigned int newSize); Hash compressHash(const Hash & hash, unsigned int newSize);
/* Parse a string representing a hash type. */ /* Parse a string representing a hash type. */
HashType parseHashType(const string & s); HashType parseHashType(std::string_view s);
/* Will return nothing on parse error */ /* Will return nothing on parse error */
std::optional<HashType> parseHashTypeOpt(const string & s); std::optional<HashType> parseHashTypeOpt(std::string_view s);
/* And the reverse. */ /* And the reverse. */
string printHashType(HashType ht); string printHashType(HashType ht);

View file

@ -154,7 +154,7 @@ static int _main(int argc, char * * argv)
/* If an expected hash is given, the file may already exist in /* If an expected hash is given, the file may already exist in
the store. */ the store. */
std::optional<Hash> expectedHash; std::optional<Hash> expectedHash;
Hash hash; Hash hash(ht);
std::optional<StorePath> storePath; std::optional<StorePath> storePath;
if (args.size() == 2) { if (args.size() == 2) {
expectedHash = Hash(args[1], ht); expectedHash = Hash(args[1], ht);

View file

@ -372,8 +372,8 @@ static void opQuery(Strings opFlags, Strings opArgs)
for (auto & j : maybeUseOutputs(store->followLinksToStorePath(i), useOutput, forceRealise)) { for (auto & j : maybeUseOutputs(store->followLinksToStorePath(i), useOutput, forceRealise)) {
auto info = store->queryPathInfo(j); auto info = store->queryPathInfo(j);
if (query == qHash) { if (query == qHash) {
assert(info->narHash.type == htSHA256); assert(info->narHash && info->narHash->type == htSHA256);
cout << fmt("%s\n", info->narHash.to_string(Base32, true)); cout << fmt("%s\n", info->narHash->to_string(Base32, true));
} else if (query == qSize) } else if (query == qSize)
cout << fmt("%d\n", info->narSize); cout << fmt("%d\n", info->narSize);
} }
@ -725,7 +725,7 @@ static void opVerifyPath(Strings opFlags, Strings opArgs)
auto path = store->followLinksToStorePath(i); auto path = store->followLinksToStorePath(i);
printMsg(lvlTalkative, "checking path '%s'...", store->printStorePath(path)); printMsg(lvlTalkative, "checking path '%s'...", store->printStorePath(path));
auto info = store->queryPathInfo(path); auto info = store->queryPathInfo(path);
HashSink sink(*info->narHash.type); HashSink sink(info->narHash->type);
store->narFromPath(path, sink); store->narFromPath(path, sink);
auto current = sink.finish(); auto current = sink.finish();
if (current.first != info->narHash) { if (current.first != info->narHash) {
@ -734,7 +734,7 @@ static void opVerifyPath(Strings opFlags, Strings opArgs)
.hint = hintfmt( .hint = hintfmt(
"path '%s' was modified! expected hash '%s', got '%s'", "path '%s' was modified! expected hash '%s', got '%s'",
store->printStorePath(path), store->printStorePath(path),
info->narHash.to_string(Base32, true), info->narHash->to_string(Base32, true),
current.first.to_string(Base32, true)) current.first.to_string(Base32, true))
}); });
status = 1; status = 1;
@ -864,7 +864,9 @@ static void opServe(Strings opFlags, Strings opArgs)
out << info->narSize // downloadSize out << info->narSize // downloadSize
<< info->narSize; << info->narSize;
if (GET_PROTOCOL_MINOR(clientVersion) >= 4) if (GET_PROTOCOL_MINOR(clientVersion) >= 4)
out << (info->narHash ? info->narHash.to_string(Base32, true) : "") << renderContentAddress(info->ca) << info->sigs; out << (info->narHash ? info->narHash->to_string(Base32, true) : "")
<< renderContentAddress(info->ca)
<< info->sigs;
} catch (InvalidPath &) { } catch (InvalidPath &) {
} }
} }

View file

@ -50,7 +50,7 @@ struct CmdAddToStore : MixDryRun, StoreCommand
info.narSize = sink.s->size(); info.narSize = sink.s->size();
info.ca = std::optional { FixedOutputHash { info.ca = std::optional { FixedOutputHash {
.method = FileIngestionMethod::Recursive, .method = FileIngestionMethod::Recursive,
.hash = info.narHash, .hash = *info.narHash,
} }; } };
if (!dryRun) { if (!dryRun) {

View file

@ -276,7 +276,7 @@ std::vector<std::pair<std::shared_ptr<eval_cache::AttrCursor>, std::string>>
Installable::getCursors(EvalState & state, bool useEvalCache) Installable::getCursors(EvalState & state, bool useEvalCache)
{ {
auto evalCache = auto evalCache =
std::make_shared<nix::eval_cache::EvalCache>(false, Hash(), state, std::make_shared<nix::eval_cache::EvalCache>(std::nullopt, state,
[&]() { return toValue(state).first; }); [&]() { return toValue(state).first; });
return {{evalCache->getRoot(), ""}}; return {{evalCache->getRoot(), ""}};
} }
@ -437,9 +437,11 @@ ref<eval_cache::EvalCache> openEvalCache(
std::shared_ptr<flake::LockedFlake> lockedFlake, std::shared_ptr<flake::LockedFlake> lockedFlake,
bool useEvalCache) bool useEvalCache)
{ {
return ref(std::make_shared<nix::eval_cache::EvalCache>( auto fingerprint = lockedFlake->getFingerprint();
useEvalCache && evalSettings.pureEval, return make_ref<nix::eval_cache::EvalCache>(
lockedFlake->getFingerprint(), useEvalCache && evalSettings.pureEval
? std::optional { std::cref(fingerprint) }
: std::nullopt,
state, state,
[&state, lockedFlake]() [&state, lockedFlake]()
{ {
@ -457,7 +459,7 @@ ref<eval_cache::EvalCache> openEvalCache(
assert(aOutputs); assert(aOutputs);
return aOutputs->value; return aOutputs->value;
})); });
} }
static std::string showAttrPaths(const std::vector<std::string> & paths) static std::string showAttrPaths(const std::vector<std::string> & paths)

View file

@ -84,7 +84,7 @@ struct CmdMakeContentAddressable : StorePathsCommand, MixJSON
info.narSize = sink.s->size(); info.narSize = sink.s->size();
info.ca = FixedOutputHash { info.ca = FixedOutputHash {
.method = FileIngestionMethod::Recursive, .method = FileIngestionMethod::Recursive,
.hash = info.narHash, .hash = *info.narHash,
}; };
if (!json) if (!json)

View file

@ -133,7 +133,7 @@ struct ProfileManifest
info.references = std::move(references); info.references = std::move(references);
info.narHash = narHash; info.narHash = narHash;
info.narSize = sink.s->size(); info.narSize = sink.s->size();
info.ca = FixedOutputHash { .method = FileIngestionMethod::Recursive, .hash = info.narHash }; info.ca = FixedOutputHash { .method = FileIngestionMethod::Recursive, .hash = *info.narHash };
auto source = StringSource { *sink.s }; auto source = StringSource { *sink.s };
store->addToStore(info, source); store->addToStore(info, source);

View file

@ -91,15 +91,15 @@ struct CmdVerify : StorePathsCommand
std::unique_ptr<AbstractHashSink> hashSink; std::unique_ptr<AbstractHashSink> hashSink;
if (!info->ca) if (!info->ca)
hashSink = std::make_unique<HashSink>(*info->narHash.type); hashSink = std::make_unique<HashSink>(info->narHash->type);
else else
hashSink = std::make_unique<HashModuloSink>(*info->narHash.type, std::string(info->path.hashPart())); hashSink = std::make_unique<HashModuloSink>(info->narHash->type, std::string(info->path.hashPart()));
store->narFromPath(info->path, *hashSink); store->narFromPath(info->path, *hashSink);
auto hash = hashSink->finish(); auto hash = hashSink->finish();
if (hash.first != info->narHash) { if (hash.first != *info->narHash) {
corrupted++; corrupted++;
act2.result(resCorruptedPath, store->printStorePath(info->path)); act2.result(resCorruptedPath, store->printStorePath(info->path));
logError({ logError({
@ -107,7 +107,7 @@ struct CmdVerify : StorePathsCommand
.hint = hintfmt( .hint = hintfmt(
"path '%s' was modified! expected hash '%s', got '%s'", "path '%s' was modified! expected hash '%s', got '%s'",
store->printStorePath(info->path), store->printStorePath(info->path),
info->narHash.to_string(Base32, true), info->narHash->to_string(Base32, true),
hash.first.to_string(Base32, true)) hash.first.to_string(Base32, true))
}); });
} }