After uploading a .narinfo, add it to the LRU cache

Dependencies

• [2] SOB276BA Keep some statistics for the binary cache stores
• [3] MBZRPJTZ Fix log message
• [4] GTUZLZRH Add an S3-backed binary cache store
• [5] 73YR46NJ hydra-queue-runner: Write directly to a binary cache
• [6] 3FQ65IXO hydra-queue-runner: Compress binary cache NARs using xz
• [7] N2NKSKHS Refactor local binary cache code into a subclass
• [8] 32HHP5CW hydra-queue-runner: Support generating a signed binary cache

Change contents

• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 53
  [4.930]→[4.930:957](∅→∅)
  − NarInfo narInfo(info);
  [4.930]

  [4.118]
  + auto narInfo = make_ref<NarInfo>(info);
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 55
  [4.119]→[4.958:1041](∅→∅)
  − narInfo.narSize = nar.size();

  − narInfo.narHash = hashString(htSHA256, nar);
  [4.119]

  [4.2885]
  + narInfo->narSize = nar.size();

  + narInfo->narHash = hashString(htSHA256, nar);
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 58
  [4.2886]→[4.1042:1117](∅→∅)
  − if (info.narHash.type != htUnknown && info.narHash != narInfo.narHash)
  [4.2886]

  [4.2947]
  + if (info.narHash.type != htUnknown && info.narHash != narInfo->narHash)
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 62
  [4.149]→[4.1156:1188](∅→∅)
  − narInfo.compression = "xz";
  [4.149]

  [4.302]
  + narInfo->compression = "xz";
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 66
  [4.403]→[4.1189:1278](∅→∅),[4.185]→[4.1189:1278](∅→∅)
  − narInfo.fileHash = hashString(htSHA256, narXz);

  − narInfo.fileSize = narXz.size();
  [4.403]

  [4.404]
  + narInfo->fileHash = hashString(htSHA256, narXz);

  + narInfo->fileSize = narXz.size();
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 71
  [4.524]→[3.0:41](∅→∅)
  − % narInfo.path % narInfo.narSize
  [4.524]

  [4.559]
  + % narInfo->path % narInfo->narSize
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 76
  [4.3212]→[4.1279:1349](∅→∅),[4.1349]→[2.204:240](∅→∅)
  − narInfo.url = "nar/" + printHash32(narInfo.fileHash) + ".nar.xz";

  − if (!fileExists(narInfo.url)) {
  [4.3212]

  [2.240]
  + narInfo->url = "nar/" + printHash32(narInfo->fileHash) + ".nar.xz";

  + if (!fileExists(narInfo->url)) {
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 79
  [2.266]→[2.266:306](∅→∅)
  − upsertFile(narInfo.url, narXz);
  [2.266]

  [2.306]
  + upsertFile(narInfo->url, narXz);
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 88
  [4.3431]→[4.1405:1450](∅→∅)
  − if (secretKey) narInfo.sign(*secretKey);
  [4.3431]

  [4.3518]
  + if (secretKey) narInfo->sign(*secretKey);
• replacement in src/hydra-queue-runner/binary-cache-store.cc at line 90
  [4.3519]→[4.665:715](∅→∅)
  − upsertFile(narInfoFile, narInfo.to_string());
  [4.3519]

  [2.491]
  + upsertFile(narInfoFile, narInfo->to_string());

  +

  + {

  + auto state_(state.lock());

  + state_->narInfoCache.upsert(narInfo->path, narInfo);

  + stats.narInfoCacheSize = state_->narInfoCache.size();

  + }