diff options
| -rwxr-xr-x | src/nix-build/nix-build.cc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/nix-build/nix-build.cc b/src/nix-build/nix-build.cc index b36933a0ac21..a3d3c8007be6 100755 --- a/src/nix-build/nix-build.cc +++ b/src/nix-build/nix-build.cc @@ -105,12 +105,12 @@ void mainWrapped(int argc, char * * argv) for (int i = 1; i < argc; ++i) args.push_back(argv[i]); - // Heuristic to see if we're invoked as a shebang script, namely, if we - // have a single argument, it's the name of an executable file, and it - // starts with "#!". + // Heuristic to see if we're invoked as a shebang script, namely, + // if we have at least one argument, it's the name of an + // executable file, and it starts with "#!". if (runEnv && argc > 1 && !std::regex_search(argv[1], std::regex("nix-shell"))) { script = argv[1]; - if (access(script.c_str(), F_OK) == 0 && access(script.c_str(), X_OK) == 0) { + try { auto lines = tokenizeString<Strings>(readFile(script), "\n"); if (std::regex_search(lines.front(), std::regex("^#!"))) { lines.pop_front(); @@ -126,7 +126,7 @@ void mainWrapped(int argc, char * * argv) args.push_back(word); } } - } + } catch (SysError &) { } } parseCmdLine(myName, args, [&](Strings::iterator & arg, const Strings::iterator & end) { |