Fix error message on unsupported protocols

1 files changed, 15 insertions, 13 deletions

diff --git a/src/luarocks/fs/lua.lua b/src/luarocks/fs/lua.lua
index 5b3efd94..79baa07f 100644
--- a/src/luarocks/fs/lua.lua
+++ b/src/luarocks/fs/lua.lua
@@ -431,19 +431,19 @@ function unzip(zipfile)
   local files = zipfile:files()
   local file = files()
   repeat
-        if file.filename:sub(#file.filename) == "/" then
-          fs.make_dir(dir.path(fs.current_dir(), file.filename))
-        else
-      local rf, err = zipfile:open(file.filename)
-          if not rf then zipfile:close(); return nil, err end
-          local contents = rf:read("*a")
-          rf:close()
-          local wf, err = io.open(dir.path(fs.current_dir(), file.filename), "wb")
-          if not wf then zipfile:close(); return nil, err end
-          wf:write(contents)
-          wf:close()
-        end
-        file = files()
+     if file.filename:sub(#file.filename) == "/" then
+        fs.make_dir(dir.path(fs.current_dir(), file.filename))
+     else
+        local rf, err = zipfile:open(file.filename)
+        if not rf then zipfile:close(); return nil, err end
+        local contents = rf:read("*a")
+        rf:close()
+        local wf, err = io.open(dir.path(fs.current_dir(), file.filename), "wb")
+        if not wf then zipfile:close(); return nil, err end
+        wf:write(contents)
+        wf:close()
+     end
+     file = files()
   until not file
   zipfile:close()
   return true
@@ -494,6 +494,8 @@ function download(url, filename)
       end
    elseif util.starts_with(url, "ftp:") then
       content, err = ftp.get(url)
+   else
+      err = "Unsupported protocol in URL: "..url
    end
    if not content then
       return false, "Failed downloading: " .. err