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* Store the size of a store path in the database (to be precise, the

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size of the NAR serialisation of the path, i.e., `nix-store --dump
  PATH').  This is useful for Hydra.
This commit is contained in:
Eelco Dolstra 2010-11-16 17:11:46 +00:00
parent fb9368b5a0
commit a3883cbd28
16 changed files with 144 additions and 91 deletions
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41
src/libstore/build.cc
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@ -1547,7 +1547,7 @@ void DerivationGoal::startBuilder()
/* Write closure info to `fileName'. */
writeFile(tmpDir + "/" + fileName,
makeValidityRegistration(paths, false, false));
worker.store.makeValidityRegistration(paths, false, false));
}
@ -1870,7 +1870,7 @@ PathSet parseReferenceSpecifiers(const Derivation & drv, string attr)
void DerivationGoal::computeClosure()
{
map<Path, PathSet> allReferences;
map<Path, Hash> contentHashes;
map<Path, HashResult> contentHashes;
/* When using a build hook, the build hook can register the output
as valid (by doing `nix-store --import'). If so we don't have
@ -1927,7 +1927,7 @@ void DerivationGoal::computeClosure()
if (ht == htUnknown)
throw BuildError(format("unknown hash algorithm `%1%'") % algo);
Hash h = parseHash(ht, i->second.hash);
Hash h2 = recursive ? hashPath(ht, path) : hashFile(ht, path);
Hash h2 = recursive ? hashPath(ht, path).first : hashFile(ht, path);
if (h != h2)
throw BuildError(
format("output path `%1%' should have %2% hash `%3%', instead has `%4%'")
@ -1941,7 +1941,7 @@ void DerivationGoal::computeClosure()
contained in it. Compute the SHA-256 NAR hash at the same
time. The hash is stored in the database so that we can
verify later on whether nobody has messed with the store. */
Hash hash;
HashResult hash;
PathSet references = scanForReferences(path, allPaths, hash);
contentHashes[path] = hash;
@ -1970,14 +1970,18 @@ void DerivationGoal::computeClosure()
}
/* Register each output path as valid, and register the sets of
paths referenced by each of them. !!! this should be
atomic so that either all paths are registered as valid, or
none are. */
foreach (DerivationOutputs::iterator, i, drv.outputs)
worker.store.registerValidPath(i->second.path,
contentHashes[i->second.path],
allReferences[i->second.path],
drvPath);
paths referenced by each of them. */
ValidPathInfos infos;
foreach (DerivationOutputs::iterator, i, drv.outputs) {
ValidPathInfo info;
info.path = i->second.path;
info.hash = contentHashes[i->second.path].first;
info.narSize = contentHashes[i->second.path].second;
info.references = allReferences[i->second.path];
info.deriver = drvPath;
infos.push_back(info);
}
worker.store.registerValidPaths(infos);
/* It is now safe to delete the lock files, since all future
lockers will see that the output paths are valid; they will not
@ -2385,10 +2389,15 @@ void SubstitutionGoal::finished()
canonicalisePathMetaData(storePath);
Hash contentHash = hashPath(htSHA256, storePath);
worker.store.registerValidPath(storePath, contentHash,
info.references, info.deriver);
HashResult hash = hashPath(htSHA256, storePath);
ValidPathInfo info2;
info2.path = storePath;
info2.hash = hash.first;
info2.narSize = hash.second;
info2.references = info.references;
info2.deriver = info.deriver;
worker.store.registerValidPath(info2);
outputLock->setDeletion(true);