nix develop: Fall back to "bash" if nixpkgs#bashInteractive is unavailable

This commit is contained in:
Eelco Dolstra 2020-07-06 17:08:54 +02:00
parent 54712aaf8a
commit cd8eb8a7d1

View file

@ -307,9 +307,23 @@ struct CmdDevelop : Common, MixEnvironment
// prevent garbage collection until shell exits
setenv("NIX_GCROOT", gcroot.data(), 1);
Path shell = "bash";
try {
auto state = getEvalState();
auto bashInstallable = std::make_shared<InstallableFlake>(state, std::move(installable->nixpkgsFlakeRef()), Strings{"bashInteractive"}, Strings{"legacyPackages." + settings.thisSystem.get() + "."}, lockFlags);
auto shell = state->store->printStorePath(toStorePath(state->store, Build, bashInstallable)) + "/bin/bash";
auto bashInstallable = std::make_shared<InstallableFlake>(
state,
std::move(installable->nixpkgsFlakeRef()),
Strings{"bashInteractive"},
Strings{"legacyPackages." + settings.thisSystem.get() + "."},
lockFlags);
shell = state->store->printStorePath(toStorePath(state->store, Build, bashInstallable)) + "/bin/bash";
} catch (Error &) {
ignoreException();
}
auto args = Strings{std::string(baseNameOf(shell)), "--rcfile", rcFilePath};
restoreAffinity();