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Re-implement the WantMassQuery property of binary caches

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This commit is contained in:
Eelco Dolstra 2016-05-30 13:33:05 +02:00
parent b66ab6cdbc
commit e222484401
8 changed files with 40 additions and 8 deletions
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21
src/libstore/binary-cache-store.cc
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@ -29,8 +29,27 @@ BinaryCacheStore::BinaryCacheStore(const StoreParams & params)
void BinaryCacheStore::init()
{
std::string cacheInfoFile = "nix-cache-info";
if (!fileExists(cacheInfoFile))
auto cacheInfo = getFile(cacheInfoFile);
if (!cacheInfo) {
upsertFile(cacheInfoFile, "StoreDir: " + settings.nixStore + "\n");
} else {
for (auto & line : tokenizeString<Strings>(*cacheInfo, "\n")) {
size_t colon = line.find(':');
if (colon == std::string::npos) continue;
auto name = line.substr(0, colon);
auto value = trim(line.substr(colon + 1, std::string::npos));
if (name == "StoreDir") {
if (value != settings.nixStore)
throw Error(format("binary cache ‘%s’ is for Nix stores with prefix ‘%s’, not ‘%s’")
% getUri() % value % settings.nixStore);
} else if (name == "WantMassQuery") {
wantMassQuery_ = value == "1";
} else if (name == "Priority") {
string2Int(value, priority);
}
}
}
}
void BinaryCacheStore::notImpl()