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When repairing a derivation, check and repair the entire output closure

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If we find a corrupted path in the output closure, we rebuild the
derivation that produced that particular path.
This commit is contained in:
Eelco Dolstra 2012-10-03 10:38:09 -04:00
parent 2001895f3d
commit a3f205b249
3 changed files with 91 additions and 6 deletions
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24
src/libstore/local-store.cc
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@ -1673,11 +1673,27 @@ void LocalStore::verifyPath(const Path & path, const PathSet & store,
bool LocalStore::pathContentsGood(const Path & path)
{
std::map<Path, bool>::iterator i = pathContentsGoodCache.find(path);
if (i != pathContentsGoodCache.end()) return i->second;
printMsg(lvlInfo, format("checking path `%1%'...") % path);
ValidPathInfo info = queryPathInfo(path);
if (!pathExists(path)) return false;
HashResult current = hashPath(info.hash.type, path);
Hash nullHash(htSHA256);
return info.hash == nullHash || info.hash == current.first;
bool res;
if (!pathExists(path))
res = false;
else {
HashResult current = hashPath(info.hash.type, path);
Hash nullHash(htSHA256);
res = info.hash == nullHash || info.hash == current.first;
}
pathContentsGoodCache[path] = res;
if (!res) printMsg(lvlError, format("path `%1%' is corrupted or missing!") % path);
return res;
}
void LocalStore::markContentsGood(const Path & path)
{
pathContentsGoodCache[path] = true;
}