mkvtoolnix/rake.d/config.rb

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def read_config
error "build-config not found: please run ./configure" unless File.exists?("build-config")
$config = Hash[ *IO.readlines("build-config").collect { |line| line.chomp.gsub(/#.*/, "") }.select { |line| !line.empty? }.collect do |line|
parts = line.split(/\s*=\s*/, 2).collect { |part| part.gsub(/^\s+/, '').gsub(/\s+$/, '') }
[ parts[0].to_sym, parts[1] || '' ]
end.flatten ]
$config.default = ''
end
def c(idx)
idx_s = idx.to_s
var = (ENV[idx_s].nil? ? $config[idx.to_sym] : ENV[idx_s]).to_s
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var.gsub(/\$[\({](.*?)[\)}]/) { c($1) }.gsub(/^\s+/, '').gsub(/\s+$/, '')
end
def c?(idx)
c(idx).to_bool
end