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require 'fileutils'
require 'rubygems'
require 'rubygems/package'
# This library is used by "make extract-gems" to
# unpack bundled gem files.
module BundledGem
module_function
def unpack(file, *rest)
pkg = Gem::Package.new(file)
prepare_test(pkg.spec, *rest) {|dir| pkg.extract_files(dir)}
puts "Unpacked #{file}"
end
def build(gemspec, version, outdir = ".", validation: true)
outdir = File.expand_path(outdir)
gemdir, gemfile = File.split(gemspec)
Dir.chdir(gemdir) do
spec = Gem::Specification.load(gemfile)
abort "Failed to load #{gemspec}" unless spec
abort "Unexpected version #{spec.version}" unless spec.version == Gem::Version.new(version)
output = File.join(outdir, spec.file_name)
FileUtils.rm_rf(output)
Gem::Package.build(spec, validation == false, validation, output)
end
end
def copy(path, *rest)
path, n = File.split(path)
spec = Dir.chdir(path) {Gem::Specification.load(n)} or raise "Cannot load #{path}"
prepare_test(spec, *rest) do |dir|
FileUtils.rm_rf(dir)
files = spec.files.reject {|f| f.start_with?(".git")}
dirs = files.map {|f| File.dirname(f) if f.include?("/")}.uniq
FileUtils.mkdir_p(dirs.map {|d| d ? "#{dir}/#{d}" : dir}.sort_by {|d| d.count("/")})
files.each do |f|
File.copy_stream(File.join(path, f), File.join(dir, f))
end
end
puts "Copied #{path}"
end
def prepare_test(spec, dir = ".")
target = spec.full_name
Gem.ensure_gem_subdirectories(dir)
gem_dir = File.join(dir, "gems", target)
yield gem_dir
spec_dir = spec.extensions.empty? ? "specifications" : File.join("gems", target)
File.binwrite(File.join(dir, spec_dir, "#{target}.gemspec"), spec.to_ruby)
unless spec.extensions.empty?
spec.dependencies.clear
File.binwrite(File.join(dir, spec_dir, ".bundled.#{target}.gemspec"), spec.to_ruby)
end
if spec.bindir and spec.executables
bindir = File.join(dir, "bin")
Dir.mkdir(bindir) rescue nil
spec.executables.each do |exe|
File.open(File.join(bindir, exe), "wb", 0o777) {|f|
f.print "#!ruby\n",
%[load File.realpath("../gems/#{target}/#{spec.bindir}/#{exe}", __dir__)\n]
}
end
end
FileUtils.rm_rf(Dir.glob("#{gem_dir}/.git*"))
end
end
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