Fail when given an invalid tree.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/luarocks/list.lua b/src/luarocks/list.lua
index 71ebaf5a..22dbb721 100644
--- a/src/luarocks/list.lua
+++ b/src/luarocks/list.lua
@@ -93,7 +93,10 @@ function list.run(...)
    
    local results = {}
    for _, tree in ipairs(trees) do
-      search.manifest_search(results, path.rocks_dir(tree), query)
+      local ok, err, errcode = search.manifest_search(results, path.rocks_dir(tree), query)
+      if not ok then
+         return nil, err
+      end
    end
    util.title("Installed rocks:", flags["porcelain"])
    search.print_results(results, flags["porcelain"])