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, 178 deletions

diff --git a/third_party/nix/src/libstore/globals.cc b/third_party/nix/src/libstore/globals.cc
deleted file mode 100644
index 6babb4589fa0..000000000000
--- a/third_party/nix/src/libstore/globals.cc
+++ /dev/null
@@ -1,178 +0,0 @@
-#include "libstore/globals.hh"
-
-#include <algorithm>
-#include <filesystem>
-#include <map>
-#include <thread>
-
-#include <absl/strings/numbers.h>
-#include <absl/strings/str_cat.h>
-#include <absl/strings/str_split.h>
-#include <dlfcn.h>
-
-#include "libutil/archive.hh"
-#include "libutil/args.hh"
-#include "libutil/util.hh"
-#include "nix_config.h"
-
-namespace nix {
-
-/* The default location of the daemon socket, relative to nixStateDir.
-   The socket is in a directory to allow you to control access to the
-   Nix daemon by setting the mode/ownership of the directory
-   appropriately.  (This wouldn't work on the socket itself since it
-   must be deleted and recreated on startup.) */
-#define DEFAULT_SOCKET_PATH "/daemon-socket/socket"
-
-Settings settings;
-
-static GlobalConfig::Register r1(&settings);
-
-Settings::Settings()
-    : nixPrefix(NIX_PREFIX),
-      nixStore(canonPath(
-          getEnv("NIX_STORE_DIR")
-              .value_or(getEnv("NIX_STORE").value_or(NIX_STORE_DIR)))),
-      nixDataDir(canonPath(getEnv("NIX_DATA_DIR").value_or(NIX_DATA_DIR))),
-      nixLogDir(canonPath(getEnv("NIX_LOG_DIR").value_or(NIX_LOG_DIR))),
-      nixStateDir(canonPath(getEnv("NIX_STATE_DIR").value_or(NIX_STATE_DIR))),
-      nixConfDir(canonPath(getEnv("NIX_CONF_DIR").value_or(NIX_CONF_DIR))),
-      nixLibexecDir(
-          canonPath(getEnv("NIX_LIBEXEC_DIR").value_or(NIX_LIBEXEC_DIR))),
-      nixBinDir(canonPath(getEnv("NIX_BIN_DIR").value_or(NIX_BIN_DIR))),
-      nixManDir(canonPath(NIX_MAN_DIR)),
-      nixDaemonSocketFile(canonPath(nixStateDir + DEFAULT_SOCKET_PATH)) {
-  buildUsersGroup = getuid() == 0 ? "nixbld" : "";
-  lockCPU = getEnv("NIX_AFFINITY_HACK").value_or("1") == "1";
-
-  caFile = getEnv("NIX_SSL_CERT_FILE")
-               .value_or(getEnv("SSL_CERT_FILE").value_or(""));
-  if (caFile.empty()) {
-    for (auto& fn :
-         {"/etc/ssl/certs/ca-certificates.crt",
-          "/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt"}) {
-      if (pathExists(fn)) {
-        caFile = fn;
-        break;
-      }
-    }
-  }
-
-  /* Backwards compatibility. */
-  // TODO(tazjin): still?
-  auto s = getEnv("NIX_REMOTE_SYSTEMS");
-  if (s) {
-    Strings ss;
-    for (auto p : absl::StrSplit(*s, absl::ByChar(':'), absl::SkipEmpty())) {
-      ss.push_back(absl::StrCat("@", p));
-    }
-    builders = concatStringsSep(" ", ss);
-  }
-
-  sandboxPaths = absl::StrSplit("/bin/sh=" SANDBOX_SHELL,
-                                absl::ByAnyChar(" \t\n\r"), absl::SkipEmpty());
-}
-
-void loadConfFile() {
-  if (std::filesystem::exists(settings.nixConfDir + "/nix.conf")) {
-    globalConfig.applyConfigFile(settings.nixConfDir + "/nix.conf");
-  }
-
-  /* We only want to send overrides to the daemon, i.e. stuff from
-     ~/.nix/nix.conf or the command line. */
-  globalConfig.resetOverriden();
-
-  auto dirs = getConfigDirs();
-  // Iterate over them in reverse so that the ones appearing first in the path
-  // take priority
-  for (auto dir = dirs.rbegin(); dir != dirs.rend(); dir++) {
-    if (std::filesystem::exists(*dir + "/nix.conf")) {
-      globalConfig.applyConfigFile(*dir + "/nix/nix.conf");
-    }
-  }
-}
-
-unsigned int Settings::getDefaultCores() {
-  return std::max(1U, std::thread::hardware_concurrency());
-}
-
-StringSet Settings::getDefaultSystemFeatures() {
-  /* For backwards compatibility, accept some "features" that are
-     used in Nixpkgs to route builds to certain machines but don't
-     actually require anything special on the machines. */
-  StringSet features{"nixos-test", "benchmark", "big-parallel"};
-
-#if __linux__
-  if (access("/dev/kvm", R_OK | W_OK) == 0) {
-    features.insert("kvm");
-  }
-#endif
-
-  return features;
-}
-
-const std::string nixVersion = PACKAGE_VERSION;
-
-template <>
-void BaseSetting<SandboxMode>::set(const std::string& str) {
-  if (str == "true") {
-    value = smEnabled;
-  } else if (str == "relaxed") {
-    value = smRelaxed;
-  } else if (str == "false") {
-    value = smDisabled;
-  } else {
-    throw UsageError("option '%s' has invalid value '%s'", name, str);
-  }
-}
-
-template <>
-std::string BaseSetting<SandboxMode>::to_string() {
-  if (value == smEnabled) {
-    return "true";
-  }
-  if (value == smRelaxed) {
-    return "relaxed";
-  } else if (value == smDisabled) {
-    return "false";
-  } else {
-    abort();
-  }
-}
-
-template <>
-void BaseSetting<SandboxMode>::toJSON(JSONPlaceholder& out) {
-  AbstractSetting::toJSON(out);
-}
-
-template <>
-void BaseSetting<SandboxMode>::convertToArg(Args& args,
-                                            const std::string& category) {
-  args.mkFlag()
-      .longName(name)
-      .description("Enable sandboxing.")
-      .handler([=](const std::vector<std::string>& ss) { override(smEnabled); })
-      .category(category);
-  args.mkFlag()
-      .longName("no-" + name)
-      .description("Disable sandboxing.")
-      .handler(
-          [=](const std::vector<std::string>& ss) { override(smDisabled); })
-      .category(category);
-  args.mkFlag()
-      .longName("relaxed-" + name)
-      .description("Enable sandboxing, but allow builds to disable it.")
-      .handler([=](const std::vector<std::string>& ss) { override(smRelaxed); })
-      .category(category);
-}
-
-void MaxBuildJobsSetting::set(const std::string& str) {
-  if (str == "auto") {
-    value = std::max(1U, std::thread::hardware_concurrency());
-  } else if (!absl::SimpleAtoi(str, &value)) {
-    throw UsageError(
-        "configuration setting '%s' should be 'auto' or an integer", name);
-  }
-}
-
-}  // namespace nix