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textmate/bin/process_plist
2014-08-03 09:05:33 +02:00

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Ruby
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#!/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby
# == Synopsis
#
# process_plist: substitute ${VARIABLES} in text files
#
# == Usage
#
# --help:
# show help
$KCODE = 'U' if RUBY_VERSION < "1.9"
require 'optparse'
require 'shellwords'
def parse_variables(path)
res = { }
data = File.read(path)
assignments = data.scan(/^(\w+)\s*(=)[ \t]*(.*)$/)
assignments.each do |arr|
key, op, value = *arr
res[key] = Shellwords.shellwords(value)
end
res
end
variables = { }
OptionParser.new do |opts|
opts.banner = "Usage: gen_build [options]"
opts.separator "Synopsis:"
opts.separator "gen_build: substitute ${VARIABLES} in text files"
opts.separator "Options:"
opts.on("-h","--help", "show help.") do |v|
puts opts
exit
end
opts.on("-v","--variables FILE", "the «file» to write build info into.") do |arg|
variables.merge!(parse_variables(arg))
end
opts.on("-d", "--define NAME=VALUE", "define a variable that ends up in build.ninja") do |arg|
if arg =~ /^(\w+)\s*(=)[ \t]*(.*)$/
variables[$1] = Shellwords.shellwords($3)
end
end
end.parse!
while gets
$_.gsub!(/\$\{(.*?)\}/) do
value = nil
if variables.include?($1)
value = variables[$1]
elsif ENV.include?($1)
value = ENV[$1]
else
abort "*** unknown variable: #$1"
end
value.kind_of?(Array) ? value.join(' ') : value
end
print $_
end