54 lines
1.3 KiB
Ruby
54 lines
1.3 KiB
Ruby
# -*- coding: us-ascii -*-
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# Used to expand Ruby template files by common.mk, uncommon.mk and
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# some Ruby extension libraries.
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require 'erb'
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require 'optparse'
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require 'fileutils'
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$:.unshift(File.dirname(__FILE__))
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require 'vpath'
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require 'colorize'
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vpath = VPath.new
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timestamp = nil
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output = nil
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ifchange = nil
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source = false
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color = nil
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opt = OptionParser.new do |o|
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o.on('-t', '--timestamp[=PATH]') {|v| timestamp = v || true}
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o.on('-o', '--output=PATH') {|v| output = v}
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o.on('-c', '--[no-]if-change') {|v| ifchange = v}
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o.on('-x', '--source') {source = true}
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o.on('--color') {color = true}
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vpath.def_options(o)
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o.order!(ARGV)
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end
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color = Colorize.new(color)
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unchanged = color.pass("unchanged")
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updated = color.fail("updated")
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template = ARGV.shift or abort opt.to_s
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erb = ERB.new(File.read(template), nil, '%-')
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erb.filename = template
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result = source ? erb.src : proc{erb.result}.call
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if output
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if ifchange and (vpath.open(output, "rb") {|f| f.read} rescue nil) == result
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puts "#{output} #{unchanged}"
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else
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open(output, "wb") {|f| f.print result}
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puts "#{output} #{updated}"
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end
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if timestamp
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if timestamp == true
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dir, base = File.split(output)
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timestamp = File.join(dir, ".time." + base)
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end
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FileUtils.touch(timestamp)
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end
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else
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print result
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end
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