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-rw-r--r--update-luatex-font-database.lua103
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diff --git a/update-luatex-font-database.lua b/update-luatex-font-database.lua
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+#!/usr/bin/env texlua
+-- This file is copyright 2010 Elie Roux and Khaled Hosny and is under CC0
+-- license (see http://creativecommons.org/publicdomain/zero/1.0/legalcode).
+--
+-- This file is a wrapper for the luaotfload-fonts.lua script.
+-- It is part of the luaotfload bundle, please see the luaotfload documentation
+-- for more info.
+
+kpse.set_program_name("luatex")
+
+local name = 'update-luatex-font-database'
+local version = '1.07' -- same version number as luaotfload
+
+-- first we import luaotfload-fonts.lua.
+-- Basically it 'exports' three usefult things: the two overwritable variables
+-- - luaotfload.fonts.basename: the filename of the database
+-- - luaotfload.fonts.directory: the directory of the database
+-- and the function
+-- - luaotfload.fonts.generate: the function to generate the database
+
+local luaotfload_file = kpse.find_file("luaotfload-fonts.lua")
+if not luaotfload_file then
+ texio.write_nl("Error: cannot find 'luaotfload-fonts.lua', exiting.")
+ os.exit(1)
+end
+dofile(luaotfload_file)
+
+local function help_msg()
+ texio.write_nl(string.format([[Usage: %s [OPTION]...
+
+Rebuild the LuaTeX font database.
+
+Valid options:
+ -d --dbdir DIRECTORY writes the database in the specified directory
+ -q --quiet don't output anything
+ -v --verbose be more verbose (print the searched directories)
+ -vv print the loaded fonts
+ -vvv print all steps of directory searching
+ -V --version prints the version and exits
+ -h --help prints this message
+ --sys writes the database for the whole system
+ (default is only for the user)
+
+The output database file is named otfl-fonts.lua.
+]], name))
+end
+
+local function version_msg()
+ texio.write_nl(string.format(
+ "%s version %s, database version %s.\n", name, version, luaotfload.fonts.version))
+end
+
+-- Command-line processing.
+-- Here we fill cmdargs with the good values, and then analyze it, setting
+-- luaotfload.fonts.log_level luaotfload.fonts.directory if necessary.
+local function process_cmdline()
+ local waiting_for_dir = false
+ local cmdargs = {}
+ for _, varg in ipairs(arg) do
+ if varg == "-v" or varg == "--verbose" then
+ cmdargs.loglvl = 2
+ elseif varg == "-vv" then
+ cmdargs.loglvl = 3
+ elseif varg == "-vvv" then
+ cmdargs.loglvl = 4
+ elseif varg == "-q" or varg == "--quiet" then
+ cmdargs.loglvl = 0
+ elseif varg == "--version" or varg == "-V" then
+ cmdargs.version = true
+ elseif varg == "--help" or varg == "-h" then
+ cmdargs.help = true
+ elseif varg == "--sys" then
+ cmdargs.sys = true
+ elseif varg == '-d' or varg == '--dbdir' then
+ waiting_for_dir = true
+ elseif string.match(varg, '--dbdir=.+') then
+ cmdargs.dbdir = string.match(varg, '--dbdir=(.+)')
+ elseif string.match(varg, '-d.+') then
+ cmdargs.dbdir = string.match(varg, '-d(.+)')
+ elseif waiting_for_dir == true then
+ cmdargs.dbdir = string.gsub(varg, '^( *= *)', '')
+ else
+ texio.write_nl(string.format("Unknown option '%s', ignoring.", varg))
+ end
+ end
+ if cmdargs.help then
+ help_msg()
+ os.exit(0)
+ elseif cmdargs.version then
+ version_msg()
+ os.exit(0)
+ elseif cmdargs.loglvl then
+ luaotfload.fonts.log_level = cmdargs.loglvl
+ end
+ if cmdargs.sys then
+ luaotfload.fonts.directory = kpse.expand_var("$TEXMFSYSVAR") .. "/tex/"
+ elseif cmdargs.dbdir then
+ luaotfload.fonts.directory = cmdargs.dbdir
+ end
+end
+
+process_cmdline()
+luaotfload.fonts.generate()