diff options
| -rw-r--r-- | src/nix/doctor.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/nix/doctor.cc b/src/nix/doctor.cc index a31df595da88..6265e9cfef20 100644 --- a/src/nix/doctor.cc +++ b/src/nix/doctor.cc @@ -33,9 +33,26 @@ struct CmdDoctor : StoreCommand std::cout << "Store uri: " << store->getUri() << std::endl; std::cout << std::endl; + checkNixInPath(); checkStoreProtocol(store->getProtocol()); } + void checkNixInPath() { + PathSet dirs; + + for (auto & dir : tokenizeString<Strings>(getEnv("PATH"), ":")) + if (pathExists(dir + "/nix-env")) + dirs.insert(dirOf(canonPath(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; + } + } + void checkStoreProtocol(unsigned int storeProto) { auto clientProto = GET_PROTOCOL_MAJOR(SERVE_PROTOCOL_VERSION) == GET_PROTOCOL_MAJOR(storeProto) ? SERVE_PROTOCOL_VERSION |