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Fix read-only copyPathToStore()

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This commit is contained in:
Eelco Dolstra 2022-05-11 14:22:18 +02:00
parent 95e4376434
commit eb966921ca
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3 changed files with 24 additions and 7 deletions
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11
src/libexpr/eval.cc
View file

@ -2087,16 +2087,13 @@ StorePath EvalState::copyPathToStore(PathSet & context, const SourcePath & path)
auto dstPath = i != srcToStore.end() auto dstPath = i != srcToStore.end()
? i->second ? i->second
: [&]() { : [&]() {
#if 0
auto p = settings.readOnlyMode
? store->computeStorePathForPath(path2.baseName(), canonPath(path)).first
: store->addToStore(path2.baseName(), canonPath(path), FileIngestionMethod::Recursive, htSHA256, defaultPathFilter, repair);
#endif
auto source = sinkToSource([&](Sink & sink) { auto source = sinkToSource([&](Sink & sink) {
path.dumpPath(sink); path.dumpPath(sink);
}); });
// FIXME: readOnlyMode auto dstPath =
auto dstPath = store->addToStoreFromDump(*source, path.baseName(), FileIngestionMethod::Recursive, htSHA256, repair); settings.readOnlyMode
? store->computeStorePathFromDump(*source, path.baseName()).first
: store->addToStoreFromDump(*source, path.baseName(), FileIngestionMethod::Recursive, htSHA256, repair);
allowPath(dstPath); allowPath(dstPath);
srcToStore.insert_or_assign(path, dstPath); srcToStore.insert_or_assign(path, dstPath);
printMsg(lvlChatty, "copied source '%1%' -> '%2%'", path, store->printStorePath(dstPath)); printMsg(lvlChatty, "copied source '%1%' -> '%2%'", path, store->printStorePath(dstPath));

13
src/libstore/store-api.cc
View file

@ -230,6 +230,19 @@ std::pair<StorePath, Hash> Store::computeStorePathForPath(std::string_view name,
} }
std::pair<StorePath, Hash> Store::computeStorePathFromDump(
Source & dump,
std::string_view name,
FileIngestionMethod method,
HashType hashAlgo) const
{
HashSink sink(hashAlgo);
dump.drainInto(sink);
auto hash = sink.finish().first;
return {makeFixedOutputPath(method, hash, name), hash};
}
StorePath Store::computeStorePathForText( StorePath Store::computeStorePathForText(
std::string_view name, std::string_view name,
std::string_view s, std::string_view s,

7
src/libstore/store-api.hh
View file

@ -219,10 +219,17 @@ public:
/* This is the preparatory part of addToStore(); it computes the /* This is the preparatory part of addToStore(); it computes the
store path to which srcPath is to be copied. Returns the store store path to which srcPath is to be copied. Returns the store
path and the cryptographic hash of the contents of srcPath. */ path and the cryptographic hash of the contents of srcPath. */
// FIXME: remove
std::pair<StorePath, Hash> computeStorePathForPath(std::string_view name, std::pair<StorePath, Hash> computeStorePathForPath(std::string_view name,
const Path & srcPath, FileIngestionMethod method = FileIngestionMethod::Recursive, const Path & srcPath, FileIngestionMethod method = FileIngestionMethod::Recursive,
HashType hashAlgo = htSHA256, PathFilter & filter = defaultPathFilter) const; HashType hashAlgo = htSHA256, PathFilter & filter = defaultPathFilter) const;
std::pair<StorePath, Hash> computeStorePathFromDump(
Source & dump,
std::string_view name,
FileIngestionMethod method = FileIngestionMethod::Recursive,
HashType hashAlgo = htSHA256) const;
/* Preparatory part of addTextToStore(). /* Preparatory part of addTextToStore().
!!! Computation of the path should take the references given to !!! Computation of the path should take the references given to