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--[[
File l3build-setversion.lua Copyright (C) 2018 The LaTeX3 Project
It may be distributed and/or modified under the conditions of the
LaTeX Project Public License (LPPL), either version 1.3c of this
license or (at your option) any later version. The latest version
of this license is in the file
http://www.latex-project.org/lppl.txt
This file is part of the "l3build bundle" (The Work in LPPL)
and all files in that bundle must be distributed together.
-----------------------------------------------------------------------
The development version of the bundle can be found at
https://github.com/latex3/l3build
for those people who are interested.
--]]
--[[
L3BUILD SETVERSION
==================
--]]
local gsub = string.gsub
local match = string.match
-- Provide some standard search-and-replace functions
if versionform ~= "" and not setversion_update_line then
if versionform == "ProvidesPackage" then
function setversion_update_line(line, date, version)
-- No real regex so do it one type at a time
for _,i in pairs({"Class", "File", "Package"}) do
if match(
line,
"^\\Provides" .. i .. "{[a-zA-Z0-9%-%.]+}%[[^%]]*%]$"
) then
line = gsub(line, "%[%d%d%d%d/%d%d/%d%d", "["
.. gsub(date, "%-", "/"))
line = gsub(
line, "(%[%d%d%d%d/%d%d/%d%d) [^ ]*", "%1 " .. version
)
break
end
end
return line
end
elseif versionform == "ProvidesExplPackage" then
function setversion_update_line(line, date, version)
-- No real regex so do it one type at a time
for _,i in pairs({"Class", "File", "Package"}) do
if match(
line,
"^\\ProvidesExpl" .. i .. " *{[a-zA-Z0-9%-%.]+}"
) then
line = gsub(
line,
"{%d%d%d%d/%d%d/%d%d}( *){[^}]*}",
"{" .. gsub(date, "%-", "/") .. "}%1{" .. version .. "}"
)
break
end
end
return line
end
elseif versionform == "filename" then
function setversion_update_line(line, date, version)
if match(line, "^\\def\\filedate{%d%d%d%d/%d%d/%d%d}$") then
line = "\\def\\filedate{" .. gsub(date, "%-", "/") .. "}"
end
if match(line, "^\\def\\fileversion{[^}]+}$") then
line = "\\def\\fileversion{" .. version .. "}"
end
return line
end
elseif versionform == "ExplFileDate" then
function setversion_update_line(line, date, version)
if match(line, "^\\def\\ExplFileDate{%d%d%d%d/%d%d/%d%d}$") then
line = "\\def\\ExplFileDate{" .. gsub(date, "%-", "/") .. "}"
end
if match(line, "^\\def\\ExplFileVersion{[^}]+}$") then
line = "\\def\\ExplFileVersion{" .. version .. "}"
end
return line
end
end
end
-- Used to actually carry out search-and-replace
setversion_update_line = setversion_update_line or function(line, date, version)
return line
end
function setversion()
local function rewrite(dir, file, date, version)
local changed = false
local result = ""
for line in io.lines(dir .. "/" .. file) do
local newline = setversion_update_line(line, date, version)
if newline ~= line then
line = newline
changed = true
end
result = result .. line .. os_newline
end
if changed then
-- Avoid adding/removing end-of-file newline
local f = io.open(dir .. "/" .. file, "rb")
local content = f:read("*all")
f:close()
if not match(content, os_newline .. "$") then
gsub(result, os_newline .. "$", "")
end
-- Write the new file
ren(dir, file, file .. bakext)
local f = io.open(dir .. "/" .. file, "w")
io.output(f)
io.write(result)
f:close()
rmfile(dir, file .. bakext)
end
end
local date = options["date"] or os.date("%Y-%m-%d")
local version = options["version"] or -1
for _,dir in pairs(remove_duplicates({currentdir, sourcefiledir, docfiledir})) do
for _,i in pairs(versionfiles) do
for file,_ in pairs(tree(dir, i)) do
rewrite(dir, file, date, version)
end
end
end
return 0
end
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