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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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23
src/libstore/store-api.cc
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@ -190,7 +190,7 @@ std::pair<Path, Hash> computeStorePathForPath(const Path & srcPath,
bool recursive, HashType hashAlgo, PathFilter & filter)
{
HashType ht(hashAlgo);
Hash h = recursive ? hashPath(ht, srcPath, filter) : hashFile(ht, srcPath);
Hash h = recursive ? hashPath(ht, srcPath, filter).first : hashFile(ht, srcPath);
string name = baseNameOf(srcPath);
Path dstPath = makeFixedOutputPath(recursive, hashAlgo, h, name);
return std::pair<Path, Hash>(dstPath, h);
@ -216,7 +216,7 @@ Path computeStorePathForText(const string & name, const string & s,
/* Return a string accepted by decodeValidPathInfo() that
registers the specified paths as valid. Note: it's the
responsibility of the caller to provide a closure. */
string makeValidityRegistration(const PathSet & paths,
string StoreAPI::makeValidityRegistration(const PathSet & paths,
bool showDerivers, bool showHash)
{
string s = "";
@ -224,18 +224,19 @@ string makeValidityRegistration(const PathSet & paths,
foreach (PathSet::iterator, i, paths) {
s += *i + "\n";
if (showHash)
s += printHash(store->queryPathHash(*i)) + "\n";
ValidPathInfo info = queryPathInfo(*i);
Path deriver = showDerivers ? store->queryDeriver(*i) : "";
if (showHash) {
s += printHash(info.hash) + "\n";
s += (format("%1%\n") % info.narSize).str();
}
Path deriver = showDerivers ? info.deriver : "";
s += deriver + "\n";
PathSet references;
store->queryReferences(*i, references);
s += (format("%1%\n") % info.references.size()).str();
s += (format("%1%\n") % references.size()).str();
foreach (PathSet::iterator, j, references)
foreach (PathSet::iterator, j, info.references)
s += *j + "\n";
}
@ -252,6 +253,8 @@ ValidPathInfo decodeValidPathInfo(std::istream & str, bool hashGiven)
string s;
getline(str, s);
info.hash = parseHash(htSHA256, s);
getline(str, s);
if (!string2Int(s, info.narSize)) throw Error("number expected");
}
getline(str, info.deriver);
string s; int n;