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* addToStore() in nix-worker: don't write the NAR dump received from

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the client to a temporary directory, as that is highly inefficient.
This commit is contained in:
Eelco Dolstra 2008-12-03 18:05:14 +00:00
parent 5eaf644c99
commit 82ae85de27
3 changed files with 85 additions and 25 deletions
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45
src/libstore/local-store.cc
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@ -655,24 +655,12 @@ void LocalStore::invalidatePath(const Path & path)
}
Path LocalStore::addToStore(const Path & _srcPath,
bool recursive, HashType hashAlgo, PathFilter & filter)
Path LocalStore::addToStoreFromDump(const string & dump, const string & name,
bool recursive, HashType hashAlgo)
{
Path srcPath(absPath(_srcPath));
debug(format("adding `%1%' to the store") % srcPath);
Hash h = hashString(hashAlgo, dump);
/* Read the whole path into memory. This is not a very scalable
method for very large paths, but `copyPath' is mainly used for
small files. */
StringSink sink;
if (recursive)
dumpPath(srcPath, sink, filter);
else
sink.s = readFile(srcPath);
Hash h = hashString(hashAlgo, sink.s);
Path dstPath = makeFixedOutputPath(recursive, hashAlgo, h, baseNameOf(srcPath));
Path dstPath = makeFixedOutputPath(recursive, hashAlgo, h, name);
addTempRoot(dstPath);
@ -688,10 +676,10 @@ Path LocalStore::addToStore(const Path & _srcPath,
if (pathExists(dstPath)) deletePathWrapped(dstPath);
if (recursive) {
StringSource source(sink.s);
StringSource source(dump);
restorePath(dstPath, source);
} else
writeStringToFile(dstPath, sink.s);
writeStringToFile(dstPath, dump);
canonicalisePathMetaData(dstPath);
@ -701,7 +689,7 @@ Path LocalStore::addToStore(const Path & _srcPath,
sha256); otherwise, compute it here. */
registerValidPath(dstPath,
(recursive && hashAlgo == htSHA256) ? h :
(recursive ? hashString(htSHA256, sink.s) : hashPath(htSHA256, dstPath)),
(recursive ? hashString(htSHA256, dump) : hashPath(htSHA256, dstPath)),
PathSet(), "");
}
@ -712,6 +700,25 @@ Path LocalStore::addToStore(const Path & _srcPath,
}
Path LocalStore::addToStore(const Path & _srcPath,
bool recursive, HashType hashAlgo, PathFilter & filter)
{
Path srcPath(absPath(_srcPath));
debug(format("adding `%1%' to the store") % srcPath);
/* Read the whole path into memory. This is not a very scalable
method for very large paths, but `copyPath' is mainly used for
small files. */
StringSink sink;
if (recursive)
dumpPath(srcPath, sink, filter);
else
sink.s = readFile(srcPath);
return addToStoreFromDump(sink.s, baseNameOf(srcPath), recursive, hashAlgo);
}
Path LocalStore::addTextToStore(const string & name, const string & s,
const PathSet & references)
{