From b266fd53dda9c303c55ceb55752c2117011fce69 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Mon, 28 Mar 2022 14:58:38 +0200 Subject: nix {run,shell}: Print a better error message if the store is not local Closes #6317 --- src/nix/run.cc | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/nix/run.cc b/src/nix/run.cc index 033263c36..23e893fbf 100644 --- a/src/nix/run.cc +++ b/src/nix/run.cc @@ -38,9 +38,12 @@ void runProgramInStore(ref store, unshare(CLONE_NEWUSER) doesn't work in a multithreaded program (which "nix" is), so we exec() a single-threaded helper program (chrootHelper() below) to do the work. */ - auto store2 = store.dynamic_pointer_cast(); + auto store2 = store.dynamic_pointer_cast(); - if (store2 && store->storeDir != store2->getRealStoreDir()) { + if (!store2) + throw Error("store '%s' is not a local store so it does not support command execution", store->getUri()); + + if (store->storeDir != store2->getRealStoreDir()) { Strings helperArgs = { chrootHelperName, store->storeDir, store2->getRealStoreDir(), program }; for (auto & arg : args) helperArgs.push_back(arg); -- cgit v1.2.3