diff options
Diffstat (limited to 'third_party/nix/src/nix/doctor.cc')
-rw-r--r-- | third_party/nix/src/nix/doctor.cc | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/third_party/nix/src/nix/doctor.cc b/third_party/nix/src/nix/doctor.cc deleted file mode 100644 index d0b4c2b58873..000000000000 --- a/third_party/nix/src/nix/doctor.cc +++ /dev/null @@ -1,142 +0,0 @@ -#include <absl/strings/match.h> -#include <absl/strings/str_cat.h> -#include <absl/strings/str_split.h> - -#include "libmain/shared.hh" -#include "libstore/serve-protocol.hh" -#include "libstore/store-api.hh" -#include "libstore/worker-protocol.hh" -#include "nix/command.hh" - -namespace nix { -static std::string formatProtocol(unsigned int proto) { - if (proto != 0u) { - auto major = GET_PROTOCOL_MAJOR(proto) >> 8; - auto minor = GET_PROTOCOL_MINOR(proto); - return (format("%1%.%2%") % major % minor).str(); - } - return "unknown"; -} - -struct CmdDoctor final : StoreCommand { - bool success = true; - - std::string name() override { return "doctor"; } - - std::string description() override { - return "check your system for potential problems"; - } - - void run(ref<Store> store) override { - std::cout << "Store uri: " << store->getUri() << std::endl; - std::cout << std::endl; - - auto type = getStoreType(); - - if (type < tOther) { - success &= checkNixInPath(); - success &= checkProfileRoots(store); - } - success &= checkStoreProtocol(store->getProtocol()); - - if (!success) { - throw Exit(2); - } - } - - static bool checkNixInPath() { - PathSet dirs; - - for (auto& dir : absl::StrSplit(getEnv("PATH").value_or(""), - absl::ByChar(':'), absl::SkipEmpty())) { - if (pathExists(absl::StrCat(dir, "/nix-env"))) { - dirs.insert(dirOf(canonPath(absl::StrCat(dir, "/nix-env"), true))); - } - } - - if (dirs.size() != 1) { - std::cout << "Warning: multiple versions of nix found in PATH." - << std::endl; - std::cout << std::endl; - for (auto& dir : dirs) { - std::cout << " " << dir << std::endl; - } - std::cout << std::endl; - return false; - } - - return true; - } - - static bool checkProfileRoots(const ref<Store>& store) { - PathSet dirs; - - for (auto dir : absl::StrSplit(getEnv("PATH").value_or(""), - absl::ByChar(':'), absl::SkipEmpty())) { - Path profileDir = dirOf(dir); - try { - Path userEnv = canonPath(profileDir, true); - - if (store->isStorePath(userEnv) && - absl::EndsWith(userEnv, "user-environment")) { - while (profileDir.find("/profiles/") == std::string::npos && - isLink(profileDir)) { - profileDir = absPath(readLink(profileDir), dirOf(profileDir)); - } - - if (profileDir.find("/profiles/") == std::string::npos) { - dirs.insert(std::string(dir)); - } - } - } catch (SysError&) { - } - } - - if (!dirs.empty()) { - std::cout << "Warning: found profiles outside of " << settings.nixStateDir - << "/profiles." << std::endl; - std::cout << "The generation this profile points to might not have a " - "gcroot and could be" - << std::endl; - std::cout << "garbage collected, resulting in broken symlinks." - << std::endl; - std::cout << std::endl; - for (auto& dir : dirs) { - std::cout << " " << dir << std::endl; - } - std::cout << std::endl; - return false; - } - - return true; - } - - static bool checkStoreProtocol(unsigned int storeProto) { - unsigned int clientProto = GET_PROTOCOL_MAJOR(SERVE_PROTOCOL_VERSION) == - GET_PROTOCOL_MAJOR(storeProto) - ? SERVE_PROTOCOL_VERSION - : PROTOCOL_VERSION; - - if (clientProto != storeProto) { - std::cout << "Warning: protocol version of this client does not match " - "the store." - << std::endl; - std::cout << "While this is not necessarily a problem it's recommended " - "to keep the client in" - << std::endl; - std::cout << "sync with the daemon." << std::endl; - std::cout << std::endl; - std::cout << "Client protocol: " << formatProtocol(clientProto) - << std::endl; - std::cout << "Store protocol: " << formatProtocol(storeProto) - << std::endl; - std::cout << std::endl; - return false; - } - - return true; - } -}; -} // namespace nix - -static nix::RegisterCommand r1(nix::make_ref<nix::CmdDoctor>()); |