When using --tree, prepend its package paths in wrappers.

Fixes #740.

2 files changed, 3 insertions, 1 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ecb336d..6d028713 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ What's new in LuaRocks 3.0
   This adds support for easily requesting `dev` modules from LuaRocks.org, as in:
   `luarocks install --dev luafilesystem`. The list of URLs configured
   in `rocks_servers` is prepended with a list containing "/dev" in their paths.
+* Wrappers installed using `--tree` now prepend the tree's prefix to their
+  package paths.
 
 Rockspec 3.0
 ------------
diff --git a/src/luarocks/fs/unix.lua b/src/luarocks/fs/unix.lua
index daa60c15..52634246 100644
--- a/src/luarocks/fs/unix.lua
+++ b/src/luarocks/fs/unix.lua
@@ -70,7 +70,7 @@ function unix.wrap_script(file, dest, name, version)
    
    local base = dir.base_name(file)
    local wrapname = fs.is_dir(dest) and dest.."/"..base or dest
-   local lpath, lcpath = cfg.package_paths()
+   local lpath, lcpath = cfg.package_paths(cfg.root_dir)
    local wrapper = io.open(wrapname, "w")
    if not wrapper then
       return nil, "Could not open "..wrapname.." for writing."