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nix {run,shell}: Print a better error message if the store is not local

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Closes #6317
This commit is contained in:
Eelco Dolstra 2022-03-28 14:58:38 +02:00
parent 0b33c9f9c3
commit b266fd53dd
1 changed files with 5 additions and 2 deletions
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7
src/nix/run.cc
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@ -38,9 +38,12 @@ void runProgramInStore(ref<Store> 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<LocalStore>();
auto store2 = store.dynamic_pointer_cast<LocalFSStore>();
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);