diff options
Diffstat (limited to 'trunk/lib/rubygems/commands/build_command.rb')
-rw-r--r-- | trunk/lib/rubygems/commands/build_command.rb | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/trunk/lib/rubygems/commands/build_command.rb b/trunk/lib/rubygems/commands/build_command.rb new file mode 100644 index 0000000000..e1f0122c6c --- /dev/null +++ b/trunk/lib/rubygems/commands/build_command.rb @@ -0,0 +1,53 @@ +require 'rubygems/command' +require 'rubygems/builder' + +class Gem::Commands::BuildCommand < Gem::Command + + def initialize + super('build', 'Build a gem from a gemspec') + end + + def arguments # :nodoc: + "GEMSPEC_FILE gemspec file name to build a gem for" + end + + def usage # :nodoc: + "#{program_name} GEMSPEC_FILE" + end + + def execute + gemspec = get_one_gem_name + if File.exist?(gemspec) + specs = load_gemspecs(gemspec) + specs.each do |spec| + Gem::Builder.new(spec).build + end + else + alert_error "Gemspec file not found: #{gemspec}" + end + end + + def load_gemspecs(filename) + if yaml?(filename) + result = [] + open(filename) do |f| + begin + while not f.eof? and spec = Gem::Specification.from_yaml(f) + result << spec + end + rescue Gem::EndOfYAMLException => e + # OK + end + end + else + result = [Gem::Specification.load(filename)] + end + result + end + + def yaml?(filename) + line = open(filename) { |f| line = f.gets } + result = line =~ %r{!ruby/object:Gem::Specification} + result + end +end |