diff options
Diffstat (limited to 'third_party/nix/src/nix-instantiate/nix-instantiate.cc')
| -rw-r--r-- | third_party/nix/src/nix-instantiate/nix-instantiate.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/third_party/nix/src/nix-instantiate/nix-instantiate.cc b/third_party/nix/src/nix-instantiate/nix-instantiate.cc index be96943b1234..7b8d6dd3d61f 100644 --- a/third_party/nix/src/nix-instantiate/nix-instantiate.cc +++ b/third_party/nix/src/nix-instantiate/nix-instantiate.cc @@ -96,6 +96,7 @@ static int _main(int argc, char** argv) { bool findFile = false; bool evalOnly = false; bool parseOnly = false; + bool traceFileAccess = false; OutputKind outputKind = okPlain; bool xmlOutputSourceLocation = true; bool strict = false; @@ -143,6 +144,14 @@ static int _main(int argc, char** argv) { repair = Repair; } else if (*arg == "--dry-run") { settings.readOnlyMode = true; + } else if (*arg == "--trace-file-access") { + traceFileAccess = true; + } else if (*arg == "--trace-file-access=true") { + traceFileAccess = true; + } else if (*arg == "--trace-file-access=false") { + traceFileAccess = false; + } else if (*arg == "--notrace-file-access") { + traceFileAccess = false; } else if (*arg != "" && arg->at(0) == '-') { return false; } else { @@ -161,6 +170,11 @@ static int _main(int argc, char** argv) { auto state = std::make_unique<EvalState>(myArgs.searchPath, store); state->repair = repair; + if (traceFileAccess) { + state->EnableFileAccessTracing([](const Path& path) { + std::cerr << "trace: depot-scan: " << path << "\n"; + }); + } Bindings& autoArgs = *myArgs.getAutoArgs(*state); |