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executable file 40 lines (31 sloc) 1009 Bytes
#!/usr/bin/env ruby
# heavily inspired by https://gist.github.com/765432 :)
dry_run = ARGV.delete('--dry-run')
force = ARGV.delete('--force')
input, output, garlic_version = ARGV.length == 1 ?
[ARGV, ARGV.first.sub(/\.js$/, '.min.js'), 'x.x.x'] :
[ARGV[0..-3], ARGV.at(-2), ARGV.last]
if (missing = input.select { |path| !File.exists?(path) }).any?
puts "Some input files do not exist:\n #{missing.join(" \n")}"
exit 1
end
if File.exists?(output) && !force
puts "Output file #{output} already exists, use the --force to overwrite"
exit 1
end
if dry_run
puts "#{input.inspect} => #{output}"
else
require 'rubygems'
begin
require 'closure-compiler'
rescue LoadError
puts "Error loading Closure Compiler gem:\n gem install closure-compiler"
exit 1
end
File.open(output, 'w') do |f|
f.write "/* Garlicjs %s build version %s http://garlicjs.org */\n" %
[output, garlic_version]
f.write Closure::Compiler.new.compile_files(input)
end
end
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