From: daurnimator <quae@daurnimator.com>
Date: Mon, 18 Aug 2014 15:56:44 +0000 (-0400)
Subject: luatz/tzcache: Allow absolute paths
X-Git-Url: https://git.madduck.net/etc/awesome.git/commitdiff_plain/4f10d2a639cef8296fb8c096a238d3451164cc11

luatz/tzcache: Allow absolute paths
---

diff --git a/doc/index.md b/doc/index.md
index bb79641..09e7d7d 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -18,6 +18,7 @@ See `gettime` for more information.
 
 Returns a timezone object (see `tzinfo` documentation) for the given `timezone_name`.
 If `timezone_name` is `nil` then the local timezone is used.
+If `timezone_name` is an absolute path, then that `tzinfo` file is used
 
 This uses the local [zoneinfo database](https://www.iana.org/time-zones); 
 names are usually of the form `Country/Largest_City` e.g. "America/New_York".
diff --git a/luatz/tzcache.lua b/luatz/tzcache.lua
index 25a664d..98ced26 100644
--- a/luatz/tzcache.lua
+++ b/luatz/tzcache.lua
@@ -5,10 +5,12 @@ local local_zoneinfo_path = "/etc/localtime"
 local tz_cache = { }
 
 local function name_to_zoneinfo_path ( name )
-	if name then
-		return base_zoneinfo_path .. name
-	else
+	if name == nil then
 		return local_zoneinfo_path
+	elseif name:sub ( 1 , 1 ) == "/" then
+		return name
+	else
+		return base_zoneinfo_path .. name
 	end
 end