diff options
Diffstat (limited to 'src/libstore')
| -rw-r--r-- | src/libstore/gc.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc index e04e9c1071cb..2ad52d8bf4ea 100644 --- a/src/libstore/gc.cc +++ b/src/libstore/gc.cc @@ -97,6 +97,11 @@ Path addPermRoot(const Path & _storePath, const Path & _gcRoot, Path gcRoot(canonPath(_gcRoot)); assertStorePath(storePath); + if (isInStore(gcRoot)) + throw Error(format( + "creating a garbage collector root (%1%) in the Nix store is forbidden " + "(are you running nix-build inside the store?)") % gcRoot); + if (indirect) { createSymlink(gcRoot, storePath, true); store->addIndirectRoot(gcRoot); @@ -114,7 +119,6 @@ Path addPermRoot(const Path & _storePath, const Path & _gcRoot, } createSymlink(gcRoot, storePath, false); - } /* Check that the root can be found by the garbage collector. */ |