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-rw-r--r--util/paths.lua14
1 files changed, 12 insertions, 2 deletions
diff --git a/util/paths.lua b/util/paths.lua
index 036f315a..b75c35e5 100644
--- a/util/paths.lua
+++ b/util/paths.lua
@@ -37,8 +37,18 @@ function path_util.glob_to_pattern(glob)
end).."$";
end
-function path_util.join(...)
- return t_concat({...}, path_sep);
+function path_util.join(a, b, c, ...) -- (... : string) --> string
+ -- Optimization: Avoid creating table for most uses
+ if b then
+ if c then
+ if ... then
+ return t_concat({a,b,c,...}, path_sep);
+ end
+ return a..path_sep..b..path_sep..c;
+ end
+ return a..path_sep..b;
+ end
+ return a;
end
function path_util.complement_lua_path(installer_plugin_path)