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59 lines
1.2 KiB
Ruby
Executable File
59 lines
1.2 KiB
Ruby
Executable File
#!/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby -wKU
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# == Synopsis
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#
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# process_plist: substitute ${VARIABLES} in text files
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#
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# == Usage
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#
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# --help:
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# show help
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require 'getoptlong'
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require 'rdoc/usage'
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require 'shellwords'
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opts = GetoptLong.new(
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[ '--variables', '-v', GetoptLong::REQUIRED_ARGUMENT ],
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[ '--define', '-d', GetoptLong::REQUIRED_ARGUMENT ],
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[ '--help', '-h', GetoptLong::NO_ARGUMENT ]
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)
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def parse_variables(path)
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res = { }
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data = File.read(path)
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assignments = data.scan(/^(\w+)\s*(=)[ \t]*(.*)$/)
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assignments.each do |arr|
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key, op, value = *arr
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res[key] = Shellwords.shellwords(value)
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end
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res
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end
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variables = { }
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opts.each do |opt, arg|
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case opt
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when '--help'
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RDoc::usage
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when '--variables'
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variables.merge!(parse_variables(arg))
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when '--define'
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if arg =~ /^(\w+)\s*(=)[ \t]*(.*)$/
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variables[$1] = Shellwords.shellwords($3)
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end
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end
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end
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while gets
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$_.gsub!(/\$\{(.*?)\}/) do
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if variables.include?($1)
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variables[$1]
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elsif ENV.include?($1)
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ENV[$1]
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else
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abort "*** unknown variable: ‘#$1’"
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end
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end
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print $_
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end
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