improve and simplify Lua interpreter search

* do not proceed with commands if interpreter is not found
* begin retiring LUA_DIR and LUA_BINDIR, and promote LUA as
  the main way to setup the interpreter location (from which
  we derive the rest)

1 files changed, 1 insertions, 1 deletions

diff --git a/spec/cmd_spec.lua b/spec/cmd_spec.lua
index fe27ab1b..5d6e729b 100644
--- a/spec/cmd_spec.lua
+++ b/spec/cmd_spec.lua
@@ -60,7 +60,7 @@ describe("LuaRocks command line #integration", function()
 
       it("warns but continues if given an invalid version", function()
          local output = run.luarocks("--lua-version=1.0")
-         assert.match("Warning: Lua 1.0 interpreter not found", output, 1, true)
+         assert.match("LUA *: %(not found%)", output)
          assert.match("Version%s*:%s*1.0", output)
       end)