diff options
Diffstat (limited to 'src/libstore/binary-cache-store.cc')
| -rw-r--r-- | src/libstore/binary-cache-store.cc | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/libstore/binary-cache-store.cc b/src/libstore/binary-cache-store.cc index 642da9f0477e..58cb87a516b9 100644 --- a/src/libstore/binary-cache-store.cc +++ b/src/libstore/binary-cache-store.cc @@ -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() |