version-check

#! /usr/bin/env lua

local io, os = require('io'), require('os')

local function match(pattern, file) -- {{{
	for line in io.lines(file) do
		local _, _, found = line:find(pattern)
		if found then
			return found
		end
	end
end -- }}}

local function resolve(pats) -- {{{
	local same = true
	local first = nil
	local found = {}
	for _, pat in ipairs(pats) do
		local got = match(pat.pattern, pat.file)
		if not first then
			first = got
		elseif first ~= got then
			same = false
		end
		found[pat.name] = got
	end

	return found, same
end -- }}}

local pats = {
	{name='Readme', file='README.markdown', pattern='Version:%s*%*([^%*]*)%*'},
	{name='Plugin', file='plugin/systemate.vim', pattern='g:systemate_version%s*=%s*\'([^\']*)\''},
	{name='Addon', file='addon-info.json', pattern='"version":%s*"([^"]*)"'},
	{name='Documentation', file='doc/systemate.txt', pattern='VERSION:%s*(%S*)'},
	{name='Comment', file='plugin/systemate.vim', pattern='VERSION:%s*(%S*)'},
}

local found, same = resolve(pats)

if not same then
	print('Version mismatch!')
	for name, value in pairs(found) do
		print(string.format('\t%s: %s', name, value))
	end
	os.exit(1)
end

os.exit(0)