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require "stringio"
require "formula"
module Homebrew
module DATALoader
# Original code from http://stackoverflow.com/a/2157556/371237
def self.load(path)
data = StringIO.new
path.open("r") do |f|
begin
line = f.gets
end until line.nil? || /^__END__$/ === line
data << line while line = f.gets
end
data.rewind
data
end
end
module UnpackPatch
def patch
return unless ARGV.flag? "--patch"
begin
old_verbose, $VERBOSE = $VERBOSE, nil
Object.const_set "DATA", DATALoader.load(path)
ensure
$VERBOSE = old_verbose
end
super
end
end
def unpack
formulae = ARGV.formulae
raise FormulaUnspecifiedError if formulae.empty?
if dir = ARGV.value("destdir")
unpack_dir = Pathname.new(dir)
unpack_dir.mkpath
else
unpack_dir = Pathname.pwd
end
raise "Cannot write to #{unpack_dir}" unless unpack_dir.writable_real?
formulae.each do |f|
f.extend(UnpackPatch)
stage_dir = unpack_dir.join("#{f.name}-#{f.version}")
if stage_dir.exist?
raise "Destination #{stage_dir} already exists!" unless ARGV.force?
rm_rf stage_dir
end
oh1 "Unpacking #{f.name} to: #{stage_dir}"
ENV['VERBOSE'] = '1' # show messages about tar
f.brew { cp_r getwd, stage_dir }
ENV['VERBOSE'] = nil
if ARGV.flag? "--git"
ohai "Setting up git repository"
cd stage_dir
system "git", "init", "-q"
system "git", "add", "-A"
system "git", "commit", "-q", "-m", "brew-unpack"
end
end
end
end
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