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Overhaul wopAddToStore

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This commit is contained in:
Robert Hensing 2020-09-17 19:27:11 +02:00
parent 14b30b3f3d
commit e34fe47d0c
4 changed files with 133 additions and 84 deletions
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103
src/libstore/remote-store.cc
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@ -526,6 +526,69 @@ std::optional<StorePath> RemoteStore::queryPathFromHashPart(const std::string &
}
StorePath RemoteStore::addToStoreFromDump(Source & dump, const string & name,
FileIngestionMethod method, HashType hashType, RepairFlag repair)
{
if (repair) throw Error("repairing is not supported when adding to store through the Nix daemon");
StorePathSet references;
auto conn(getConnection());
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 25) {
conn->to
<< wopAddToStore
<< name
<< renderContentAddressMethod(FixedOutputHashMethod{ .fileIngestionMethod = method, .hashType = hashType });
writeStorePaths(*this, conn->to, references);
conn.withFramedSink([&](Sink & sink) {
dump.drainInto(sink);
});
return parseStorePath(readString(conn->from));
}
else {
if (repair) throw Error("repairing is not supported when building through the Nix daemon protocol < 1.25");
conn->to
<< wopAddToStore
<< name
<< ((hashType == htSHA256 && method == FileIngestionMethod::Recursive) ? 0 : 1) /* backwards compatibility hack */
<< (method == FileIngestionMethod::Recursive ? 1 : 0)
<< printHashType(hashType);
try {
conn->to.written = 0;
conn->to.warn = true;
connections->incCapacity();
{
Finally cleanup([&]() { connections->decCapacity(); });
if (method == FileIngestionMethod::Recursive) {
dump.drainInto(conn->to);
} else {
std::string contents = dump.drain();
dumpString(contents, conn->to);
}
}
conn->to.warn = false;
conn.processStderr();
} catch (SysError & e) {
/* Daemon closed while we were sending the path. Probably OOM
or I/O error. */
if (e.errNo == EPIPE)
try {
conn.processStderr();
} catch (EndOfFile & e) { }
throw;
}
return parseStorePath(readString(conn->from));
}
}
void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
RepairFlag repair, CheckSigsFlag checkSigs)
{
@ -579,46 +642,6 @@ void RemoteStore::addToStore(const ValidPathInfo & info, Source & source,
}
StorePath RemoteStore::addToStore(const string & name, const Path & _srcPath,
FileIngestionMethod method, HashType hashAlgo, PathFilter & filter, RepairFlag repair)
{
if (repair) throw Error("repairing is not supported when building through the Nix daemon");
auto conn(getConnection());
Path srcPath(absPath(_srcPath));
conn->to
<< wopAddToStore
<< name
<< ((hashAlgo == htSHA256 && method == FileIngestionMethod::Recursive) ? 0 : 1) /* backwards compatibility hack */
<< (method == FileIngestionMethod::Recursive ? 1 : 0)
<< printHashType(hashAlgo);
try {
conn->to.written = 0;
conn->to.warn = true;
connections->incCapacity();
{
Finally cleanup([&]() { connections->decCapacity(); });
dumpPath(srcPath, conn->to, filter);
}
conn->to.warn = false;
conn.processStderr();
} catch (SysError & e) {
/* Daemon closed while we were sending the path. Probably OOM
or I/O error. */
if (e.errNo == EPIPE)
try {
conn.processStderr();
} catch (EndOfFile & e) { }
throw;
}
return parseStorePath(readString(conn->from));
}
StorePath RemoteStore::addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair)
{