luatz/tzcache: Move out magic strings to file level variables

diff --git a/luatz/tzcache.lua b/luatz/tzcache.lua
index de62d79c09f796bc731643862a909020c80697bc..25a664dffd12e19605787959f896eae604e7d59f 100644 (file)
--- a/luatz/tzcache.lua
+++ b/luatz/tzcache.lua
@@ -1,12 +1,14 @@
 local read_tzfile = require "luatz.tzfile".read_tzfile
 
+local base_zoneinfo_path = "/usr/share/zoneinfo/"
+local local_zoneinfo_path = "/etc/localtime"
 local tz_cache = { }
 
 local function name_to_zoneinfo_path ( name )
        if name then
-               return "/usr/share/zoneinfo/" .. name
+               return base_zoneinfo_path .. name
        else
-               return "/etc/localtime"
+               return local_zoneinfo_path
        end
 end