diff options
Diffstat (limited to 'src/libcmd/installables.cc')
| -rw-r--r-- | src/libcmd/installables.cc | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/libcmd/installables.cc b/src/libcmd/installables.cc index f8632a535..24f458f1a 100644 --- a/src/libcmd/installables.cc +++ b/src/libcmd/installables.cc @@ -379,10 +379,9 @@ Installable::getCursors(EvalState & state) ref<eval_cache::AttrCursor> Installable::getCursor(EvalState & state) { - auto cursors = getCursors(state); - if (cursors.empty()) - throw Error("cannot find flake attribute '%s'", what()); - return cursors[0]; + /* Although getCursors should return at least one element, in case it doesn't, + bound check to avoid an undefined behavior for vector[0] */ + return getCursors(state).at(0); } static StorePath getDeriver( |