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, 130 deletions

diff --git a/third_party/nix/src/libstore/derivations.hh b/third_party/nix/src/libstore/derivations.hh
deleted file mode 100644
index 4966b858d3b3..000000000000
--- a/third_party/nix/src/libstore/derivations.hh
+++ /dev/null
@@ -1,130 +0,0 @@
-#pragma once
-
-#include <map>
-
-#include <absl/container/btree_map.h>
-
-#include "libproto/worker.pb.h"
-#include "libstore/store-api.hh"
-#include "libutil/hash.hh"
-#include "libutil/types.hh"
-
-namespace nix {
-
-/* Extension of derivations in the Nix store. */
-const std::string drvExtension = ".drv";
-
-/* Abstract syntax of derivations. */
-
-struct DerivationOutput {
-  Path path;
-  // TODO(grfn): make these two fields a Hash
-  std::string hashAlgo; /* hash used for expected hash computation */
-  std::string hash;     /* expected hash, may be null */
-  DerivationOutput() {}
-  DerivationOutput(Path path, std::string hashAlgo, std::string hash) {
-    this->path = path;
-    this->hashAlgo = hashAlgo;
-    this->hash = hash;
-  }
-
-  explicit DerivationOutput(
-      const nix::proto::Derivation_DerivationOutput& proto_derivation_output)
-      : path(proto_derivation_output.path().path()),
-        hashAlgo(proto_derivation_output.hash_algo()),
-        hash(proto_derivation_output.hash()) {}
-
-  void parseHashInfo(bool& recursive, Hash& hash) const;
-
-  [[nodiscard]] nix::proto::Derivation_DerivationOutput to_proto() const;
-};
-
-// TODO(tazjin): Determine whether this actually needs to be ordered.
-using DerivationOutputs = absl::btree_map<std::string, DerivationOutput>;
-
-/* For inputs that are sub-derivations, we specify exactly which
-   output IDs we are interested in. */
-using DerivationInputs = absl::btree_map<Path, StringSet>;
-
-using StringPairs = absl::btree_map<std::string, std::string>;
-
-struct BasicDerivation {
-  DerivationOutputs outputs; /* keyed on symbolic IDs */
-  PathSet inputSrcs;         /* inputs that are sources */
-  std::string platform;
-  Path builder;
-  Strings args;
-  StringPairs env;
-
-  BasicDerivation() = default;
-
-  // Convert the given proto derivation to a BasicDerivation
-  static BasicDerivation from_proto(
-      const nix::proto::Derivation* proto_derivation);
-
-  [[nodiscard]] nix::proto::Derivation to_proto() const;
-
-  virtual ~BasicDerivation(){};
-
-  /* Return the path corresponding to the output identifier `id' in
-     the given derivation. */
-  Path findOutput(const std::string& id) const;
-
-  bool isBuiltin() const;
-
-  /* Return true iff this is a fixed-output derivation. */
-  bool isFixedOutput() const;
-
-  /* Return the output paths of a derivation. */
-  PathSet outputPaths() const;
-};
-
-struct Derivation : BasicDerivation {
-  DerivationInputs inputDrvs; /* inputs that are sub-derivations */
-
-  /* Print a derivation. */
-  std::string unparse() const;
-};
-
-class Store;
-
-/* Write a derivation to the Nix store, and return its path. */
-Path writeDerivation(const ref<Store>& store, const Derivation& drv,
-                     const std::string& name, RepairFlag repair = NoRepair);
-
-/* Read a derivation from a file. */
-Derivation readDerivation(const Path& drvPath);
-
-Derivation parseDerivation(const std::string& s);
-
-/* Check whether a file name ends with the extension for
-   derivations. */
-bool isDerivation(const std::string& fileName);
-
-Hash hashDerivationModulo(Store& store, Derivation drv);
-
-/* Memoisation of hashDerivationModulo(). */
-typedef std::map<Path, Hash> DrvHashes;
-
-extern DrvHashes drvHashes;  // FIXME: global, not thread-safe
-
-/* Split a string specifying a derivation and a set of outputs
-   (/nix/store/hash-foo!out1,out2,...) into the derivation path and
-   the outputs. */
-using DrvPathWithOutputs = std::pair<std::string, std::set<std::string> >;
-DrvPathWithOutputs parseDrvPathWithOutputs(absl::string_view path);
-
-Path makeDrvPathWithOutputs(const Path& drvPath,
-                            const std::set<std::string>& outputs);
-
-bool wantOutput(const std::string& output, const std::set<std::string>& wanted);
-
-struct Source;
-struct Sink;
-
-Source& readDerivation(Source& in, Store& store, BasicDerivation& drv);
-Sink& operator<<(Sink& out, const BasicDerivation& drv);
-
-std::string hashPlaceholder(const std::string& outputName);
-
-}  // namespace nix