[chars] allow passing location of char-def.lua on command line

1 files changed, 9 insertions, 1 deletions

diff --git a/scripts/mkcharacters b/scripts/mkcharacters
index 9e9fd1a..59582f2 100755
--- a/scripts/mkcharacters
+++ b/scripts/mkcharacters
@@ -13,7 +13,7 @@
 --                              config
 -----------------------------------------------------------------------
 local charfile      = "./build/luaotfload-characters.lua"
-local chardef       = "/home/phg/base/char-def.lua"
+local chardef       = arg[1]
 
 ---  for every code point char-def.lua provides a set of fields. they
 ---  are:
@@ -63,6 +63,11 @@ for _, lib in next, { "lualibs-lua.lua",
   require(found)
 end
 
+if not chardef then
+  chardef = kpse.expand_path("~/context/tex/texmf-context/tex/context/base/")
+          .. "/char-def.lua"
+end
+
 if not (chardef and lfs.isfile(chardef)) then
   --- we could grab the file from contextgarden but as Context is part
   --- of TL it’s not worth bothering 
@@ -70,6 +75,9 @@ if not (chardef and lfs.isfile(chardef)) then
                    "Could not find ConTeXt.")
 end
 
+io.write(string.format("extracting data from char-def.lua at %s\n",
+                       chardef))
+
 -----------------------------------------------------------------------
 --                           functionality
 -----------------------------------------------------------------------