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#!/usr/bin/env texlua
-----------------------------------------------------------------------
-- FILE: mkstatus.lua
-- USAGE: ./mkstatus.lua
-- DESCRIPTION: writes the repository state
-- REQUIREMENTS: luatex, the lualibs package
-- AUTHOR: Philipp Gesang (Phg), <phg42.2a@gmail.com>
-- VERSION: 1.0
-- CREATED: 2013-07-07 14:01:12+0200
-----------------------------------------------------------------------
--
-- This script generates a list of hashes that serves as the input
-- for the file integrity check (option --diagnose). md5 is all we can
-- assume in Luatex, so it’s really only a superficial test.
kpse.set_program_name "luatex"
local md5 = require "md5"
require "lualibs"
local stringformat = string.format
local md5sumhexa = md5.sumhexa
local ioloaddata = io.loaddata
local iosavedata = io.savedata
local iopopen = io.popen
-----------------------------------------------------------------------
-- settings
-----------------------------------------------------------------------
local filelist = "luaotfload-status.lua" --- result
local names = {
--- only the runtime files and scripts
"luaotfload-auxiliary.lua",
"luaotfload-basics-gen.lua",
"luaotfload-basics-nod.lua",
"luaotfload-characters.lua",
"luaotfload-colors.lua",
"luaotfload-database.lua",
"luaotfload-diagnostics.lua",
"luaotfload-extralibs.lua",
"luaotfload-features.lua",
"luaotfload-fonts-cbk.lua",
"luaotfload-fonts-def.lua",
"luaotfload-fonts-enc.lua",
"luaotfload-fonts-ext.lua",
"luaotfload-fonts-lua.lua",
"luaotfload-fonts-tfm.lua",
"luaotfload-glyphlist.lua",
"luaotfload-letterspace.lua",
"luaotfload-loaders.lua",
"luaotfload.lua",
"luaotfload-merged.lua",
"luaotfload-override.lua",
"luaotfload-tool.lua",
"luaotfload-typo-krn.lua",
"mkcharacters",
"mkglyphlist",
"mkstatus",
}
-----------------------------------------------------------------------
-- helpers
-----------------------------------------------------------------------
local die = function (...)
io.stderr:write "[fatal error]: "
io.stderr:write (stringformat (...))
io.stderr:write "\naborting.\n"
os.exit (1)
end
local gitcmd = "git log -1 \z
--format=\"return {\z
%n revision = [[%H]],\z
%n timestamp = [[%cd]],\z
%n committer = [[%cn <%ce>]],\z
%n}\" \z
--date=iso"
local git_info = function ()
--io.write (gitcmd)
--io.write "\n"
local chan = iopopen (gitcmd)
if not chan then
die ("this script needs to be run inside \z
the luaotfload git repository")
end
local data = chan:read "*all"
chan:close ()
if data and type (data) == "string" and data ~= "" then
data = load (data)
if not data then
die "cannot parse git information"
end
return data ()
end
die "cannot read from pipe"
end
-----------------------------------------------------------------------
-- functionality
-----------------------------------------------------------------------
local hash_file = function (fname)
if not lfs.isfile (fname) then
die ("cannot find %s.", fname)
end
local raw = ioloaddata (fname)
if not raw then
die ("cannot read from %s.", fname)
end
return md5sumhexa (raw)
end
local hash_all
hash_all = function (list, acc)
if list == nil then
return hash_all (table.fastcopy (names), { })
end
local fname = list[#list]
list[#list] = nil
if fname then
local sum = hash_file (fname)
acc[#acc+1] = { fname, sum }
return hash_all (list, acc)
end
return acc
end
local main = function ()
local hashes = hash_all ()
local notes = git_info ()
local serialized = table.serialize ({ notes = notes,
hashes = hashes }, true)
local success = io.savedata (filelist, serialized)
if success == false then
die ("could not write to %s.", filelist)
end
return 0
end
return main ()
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