chore(3p/nix): unvendor tvix 0.1 r/4098

Nothing is using this now, and we'll likely never pick this up again,
but we learned a lot in the process.

Every now and then this breaks in some bizarre way on channel bumps
and it's just a waste of time to maintain that.

Change-Id: Idcf2f5acd4ca7070ce18d7149cbfc0d967dc0a44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5632
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: lukegb <lukegb@tvl.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

1 files changed, 0 insertions, 171 deletions

diff --git a/third_party/nix/src/libstore/http-binary-cache-store.cc b/third_party/nix/src/libstore/http-binary-cache-store.cc
deleted file mode 100644
index c713ac43c47a..000000000000
--- a/third_party/nix/src/libstore/http-binary-cache-store.cc
+++ /dev/null
@@ -1,171 +0,0 @@
-#include <utility>
-
-#include <glog/logging.h>
-
-#include "libstore/binary-cache-store.hh"
-#include "libstore/download.hh"
-#include "libstore/globals.hh"
-#include "libstore/nar-info-disk-cache.hh"
-
-namespace nix {
-
-MakeError(UploadToHTTP, Error);
-
-class HttpBinaryCacheStore : public BinaryCacheStore {
- private:
-  Path cacheUri;
-
-  struct State {
-    bool enabled = true;
-    std::chrono::steady_clock::time_point disabledUntil;
-  };
-
-  Sync<State> _state;
-
- public:
-  HttpBinaryCacheStore(const Params& params, Path _cacheUri)
-      : BinaryCacheStore(params), cacheUri(std::move(_cacheUri)) {
-    if (cacheUri.back() == '/') {
-      cacheUri.pop_back();
-    }
-
-    diskCache = getNarInfoDiskCache();
-  }
-
-  std::string getUri() override { return cacheUri; }
-
-  void init() override {
-    // FIXME: do this lazily?
-    if (!diskCache->cacheExists(cacheUri, wantMassQuery_, priority)) {
-      try {
-        BinaryCacheStore::init();
-      } catch (UploadToHTTP&) {
-        throw Error("'%s' does not appear to be a binary cache", cacheUri);
-      }
-      diskCache->createCache(cacheUri, storeDir, wantMassQuery_, priority);
-    }
-  }
-
- protected:
-  void maybeDisable() {
-    auto state(_state.lock());
-    if (state->enabled && settings.tryFallback) {
-      int t = 60;
-      LOG(WARNING) << "disabling binary cache '" << getUri() << "' for " << t
-                   << " seconds";
-      state->enabled = false;
-      state->disabledUntil =
-          std::chrono::steady_clock::now() + std::chrono::seconds(t);
-    }
-  }
-
-  void checkEnabled() {
-    auto state(_state.lock());
-    if (state->enabled) {
-      return;
-    }
-    if (std::chrono::steady_clock::now() > state->disabledUntil) {
-      state->enabled = true;
-      DLOG(INFO) << "re-enabling binary cache '" << getUri() << "'";
-      return;
-    }
-    throw SubstituterDisabled("substituter '%s' is disabled", getUri());
-  }
-
-  bool fileExists(const std::string& path) override {
-    checkEnabled();
-
-    try {
-      DownloadRequest request(cacheUri + "/" + path);
-      request.head = true;
-      getDownloader()->download(request);
-      return true;
-    } catch (DownloadError& e) {
-      /* S3 buckets return 403 if a file doesn't exist and the
-         bucket is unlistable, so treat 403 as 404. */
-      if (e.error == Downloader::NotFound || e.error == Downloader::Forbidden) {
-        return false;
-      }
-      maybeDisable();
-      throw;
-    }
-  }
-
-  void upsertFile(const std::string& path, const std::string& data,
-                  const std::string& mimeType) override {
-    auto req = DownloadRequest(cacheUri + "/" + path);
-    req.data = std::make_shared<std::string>(data);  // FIXME: inefficient
-    req.mimeType = mimeType;
-    try {
-      getDownloader()->download(req);
-    } catch (DownloadError& e) {
-      throw UploadToHTTP("while uploading to HTTP binary cache at '%s': %s",
-                         cacheUri, e.msg());
-    }
-  }
-
-  DownloadRequest makeRequest(const std::string& path) {
-    DownloadRequest request(cacheUri + "/" + path);
-    return request;
-  }
-
-  void getFile(const std::string& path, Sink& sink) override {
-    checkEnabled();
-    auto request(makeRequest(path));
-    try {
-      getDownloader()->download(std::move(request), sink);
-    } catch (DownloadError& e) {
-      if (e.error == Downloader::NotFound || e.error == Downloader::Forbidden) {
-        throw NoSuchBinaryCacheFile(
-            "file '%s' does not exist in binary cache '%s'", path, getUri());
-      }
-      maybeDisable();
-      throw;
-    }
-  }
-
-  void getFile(
-      const std::string& path,
-      Callback<std::shared_ptr<std::string>> callback) noexcept override {
-    checkEnabled();
-
-    auto request(makeRequest(path));
-
-    auto callbackPtr =
-        std::make_shared<decltype(callback)>(std::move(callback));
-
-    getDownloader()->enqueueDownload(
-        request,
-        Callback<DownloadResult>{
-            [callbackPtr, this](std::future<DownloadResult> result) {
-              try {
-                (*callbackPtr)(result.get().data);
-              } catch (DownloadError& e) {
-                if (e.error == Downloader::NotFound ||
-                    e.error == Downloader::Forbidden) {
-                  return (*callbackPtr)(std::shared_ptr<std::string>());
-                }
-                maybeDisable();
-                callbackPtr->rethrow();
-              } catch (...) {
-                callbackPtr->rethrow();
-              }
-            }});
-  }
-};
-
-static RegisterStoreImplementation regStore(
-    [](const std::string& uri,
-       const Store::Params& params) -> std::shared_ptr<Store> {
-      if (std::string(uri, 0, 7) != "http://" &&
-          std::string(uri, 0, 8) != "https://" &&
-          (getEnv("_NIX_FORCE_HTTP_BINARY_CACHE_STORE") != "1" ||
-           std::string(uri, 0, 7) != "file://")) {
-        return nullptr;
-      }
-      auto store = std::make_shared<HttpBinaryCacheStore>(params, uri);
-      store->init();
-      return store;
-    });
-
-}  // namespace nix