1 files changed, 1 insertions, 5 deletions

diff --git a/src/luarocks/command_line.lua b/src/luarocks/command_line.lua
index a9cf9968..7d9cc4af 100644
--- a/src/luarocks/command_line.lua
+++ b/src/luarocks/command_line.lua
@@ -23,7 +23,7 @@ end
 -- @param message string: The error message.
 -- @param exitcode number: the exitcode to use
 local function die(message, exitcode)
-   assert(type(message) == "string")
+   assert(type(message) == "string", "bad error, expected string, got: " .. type(message))
    util.printerr("\nError: "..message)
 
    local ok, err = xpcall(util.run_scheduled_functions, error_handler)
@@ -138,10 +138,6 @@ function command_line.run_command(...)
       die("Invalid entry for --deps-mode.")
    end
    
-   if flags["branch"] then
-     cfg.branch = flags["branch"]
-   end
-   
    if flags["tree"] then
       local named = false
       for _, tree in ipairs(cfg.rocks_trees) do