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, 93 deletions

diff --git a/third_party/nix/src/libstore/builtins/fetchurl.cc b/third_party/nix/src/libstore/builtins/fetchurl.cc
deleted file mode 100644
index 961d08142347..000000000000
--- a/third_party/nix/src/libstore/builtins/fetchurl.cc
+++ /dev/null
@@ -1,93 +0,0 @@
-#include <absl/strings/match.h>
-#include <glog/logging.h>
-
-#include "libstore/builtins.hh"
-#include "libstore/download.hh"
-#include "libstore/store-api.hh"
-#include "libutil/archive.hh"
-#include "libutil/compression.hh"
-
-namespace nix {
-
-void builtinFetchurl(const BasicDerivation& drv, const std::string& netrcData) {
-  /* Make the host's netrc data available. Too bad curl requires
-     this to be stored in a file. It would be nice if we could just
-     pass a pointer to the data. */
-  if (netrcData != "") {
-    settings.netrcFile = "netrc";
-    writeFile(settings.netrcFile, netrcData, 0600);
-  }
-
-  auto getAttr = [&](const std::string& name) {
-    auto i = drv.env.find(name);
-    if (i == drv.env.end()) {
-      throw Error(format("attribute '%s' missing") % name);
-    }
-    return i->second;
-  };
-
-  Path storePath = getAttr("out");
-  auto mainUrl = getAttr("url");
-  bool unpack = get(drv.env, "unpack", "") == "1";
-
-  /* Note: have to use a fresh downloader here because we're in
-     a forked process. */
-  auto downloader = makeDownloader();
-
-  auto fetch = [&](const std::string& url) {
-    auto source = sinkToSource([&](Sink& sink) {
-      /* No need to do TLS verification, because we check the hash of
-         the result anyway. */
-      DownloadRequest request(url);
-      request.verifyTLS = false;
-      request.decompress = false;
-
-      auto decompressor = makeDecompressionSink(
-          unpack && absl::EndsWith(mainUrl, ".xz") ? "xz" : "none", sink);
-      downloader->download(std::move(request), *decompressor);
-      decompressor->finish();
-    });
-
-    if (unpack) {
-      restorePath(storePath, *source);
-    } else {
-      writeFile(storePath, *source);
-    }
-
-    auto executable = drv.env.find("executable");
-    if (executable != drv.env.end() && executable->second == "1") {
-      if (chmod(storePath.c_str(), 0755) == -1) {
-        throw SysError(format("making '%1%' executable") % storePath);
-      }
-    }
-  };
-
-  /* Try the hashed mirrors first. */
-  if (getAttr("outputHashMode") == "flat") {
-    auto hash_ = Hash::deserialize(getAttr("outputHash"),
-                                   parseHashType(getAttr("outputHashAlgo")));
-    if (hash_.ok()) {
-      auto h = *hash_;
-      for (auto hashedMirror : settings.hashedMirrors.get()) {
-        try {
-          if (!absl::EndsWith(hashedMirror, "/")) {
-            hashedMirror += '/';
-          }
-          fetch(hashedMirror + printHashType(h.type) + "/" +
-                h.to_string(Base16, false));
-          return;
-        } catch (Error& e) {
-          LOG(ERROR) << e.what();
-        }
-      }
-    } else {
-      LOG(ERROR) << "checking mirrors for '" << mainUrl
-                 << "': " << hash_.status().ToString();
-    }
-  }
-
-  /* Otherwise try the specified URL. */
-  fetch(mainUrl);
-}
-
-}  // namespace nix