diff options
| -rw-r--r-- | src/nix/repl.cc | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/nix/repl.cc b/src/nix/repl.cc index eed79c332..0275feae7 100644 --- a/src/nix/repl.cc +++ b/src/nix/repl.cc @@ -104,6 +104,26 @@ NixRepl::~NixRepl() write_history(historyFile.c_str()); } +string runNix(Path program, const Strings & args, + const std::optional<std::string> & input = {}) +{ + auto experimentalFeatures = concatStringsSep(" ", settings.experimentalFeatures.get()); + auto nixConf = getEnv("NIX_CONFIG").value_or(""); + nixConf.append("\nexperimental-features = " + experimentalFeatures); + auto subprocessEnv = getEnv(); + subprocessEnv["NIX_CONFIG"] = nixConf; + RunOptions opts(settings.nixBinDir+ "/" + program, args); + opts.input = input; + opts.environment = subprocessEnv; + + auto res = runProgram(opts); + + if (!statusOk(res.first)) + throw ExecError(res.first, fmt("program '%1%' %2%", program, statusToString(res.first))); + + return res.second; +} + static NixRepl * curRepl; // ugly static char * completionCallback(char * s, int *match) { @@ -463,7 +483,7 @@ bool NixRepl::processLine(string line) state->callFunction(f, v, result, Pos()); StorePath drvPath = getDerivationPath(result); - runProgram(settings.nixBinDir + "/nix-shell", true, {state->store->printStorePath(drvPath)}); + runNix("nix-shell", {state->store->printStorePath(drvPath)}); } else if (command == ":b" || command == ":i" || command == ":s") { @@ -477,7 +497,7 @@ bool NixRepl::processLine(string line) but doing it in a child makes it easier to recover from problems / SIGINT. */ try { - runProgram(settings.nixBinDir + "/nix", true, {"build", "--no-link", drvPathRaw}); + runNix("nix", {"build", "--no-link", drvPathRaw}); auto drv = state->store->readDerivation(drvPath); std::cout << std::endl << "this derivation produced the following outputs:" << std::endl; for (auto & i : drv.outputsAndOptPaths(*state->store)) @@ -485,9 +505,9 @@ bool NixRepl::processLine(string line) } catch (ExecError &) { } } else if (command == ":i") { - runProgram(settings.nixBinDir + "/nix-env", true, {"-i", drvPathRaw}); + runNix("nix-env", {"-i", drvPathRaw}); } else { - runProgram(settings.nixBinDir + "/nix-shell", true, {drvPathRaw}); + runNix("nix-shell", {drvPathRaw}); } } |