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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
]]
require("luaotfload-fonts")
require("alt_getopt")
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=LEVEL 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
--fc-cache run fc-cache before updating database
(default is to run it if available)
--no-fc-cache do not run fc-cache
--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 long_opts = {
dbdir = "d",
quiet = "q",
verbose = 1,
version = "V",
help = "h",
sys = 0,
['fc-cache'] = 0,
['no-fc-cache'] = 0,
}
local short_opts = "d:qvVh"
-- Function running fc-cache if needed.
-- The argument is nil for default, 0 for no fc-cache and 1 for fc-cache.
-- Default behaviour is to run fc-cache if available.
local function do_run_fc_cache(c)
if c == 0 then return end
if not c then
-- TODO: detect if fc-cache is available
end
local toexec = 'fc-cache'
if system == 'windows' then
toexec = 'fc-cache.exe' -- TODO: to test on a non-cygwin Windows
end
luaotfload.fonts.log(1, 'Executing %s...\n', toexec)
os.execute(toexec)
end
-- a temporary variable, containing the command line option concerning fc-cache
local run_fc_cache = nil
local function process_cmdline()
local opts, optind, optarg = alt_getopt.get_ordered_opts (arg, short_opts, long_opts)
local log_level = 1
for i,v in ipairs(opts) do
if v == "q" then
log_level = 0
elseif v == "v" then
if log_level > 0 then
log_level = log_level + 1
else
log_level = 2
end
elseif v == "V" then
version_msg()
os.exit(0)
elseif v == "h" then
help_msg()
os.exit(0)
elseif v == "d" then
luaotfload.fonts.directory = optarg [i]
elseif v == "fc-cache" then
run_fc_cache = 1
elseif v == "no-fc-cache" then
run_fc_cache = 0
elseif v == "sys" then
luaotfload.fonts.directory = kpse.expand_var("$TEXMFSYSVAR") .. luaotfload.fonts.subtexmfvardir
end
end
if string.match(arg[0], '-sys') then
luaotfload.fonts.directory = kpse.expand_var("$TEXMFSYSVAR") .. luaotfload.fonts.subtexmfvardir
end
luaotfload.fonts.log_level = log_level
end
process_cmdline()
do_run_fc_cache(run_fc_cache)
luaotfload.fonts.generate()
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