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Diffstat (limited to 'lib/rubygems/commands/build_command.rb')
-rw-r--r-- | lib/rubygems/commands/build_command.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/rubygems/commands/build_command.rb b/lib/rubygems/commands/build_command.rb index 64563ed3db..d975429fe8 100644 --- a/lib/rubygems/commands/build_command.rb +++ b/lib/rubygems/commands/build_command.rb @@ -15,6 +15,25 @@ class Gem::Commands::BuildCommand < Gem::Command "GEMSPEC_FILE gemspec file name to build a gem for" end + def description # :nodoc: + <<-EOF +The build command allows you to create a gem from a ruby gemspec. + +The best way to build a gem is to use a Rakefile and the Gem::PackageTask +which ships with RubyGems. + +The gemspec can either be created by hand or extracted from an existing gem +with gem spec: + + $ gem unpack my_gem-1.0.gem + Unpacked gem: '.../my_gem-1.0' + $ gem spec my_gem-1.0.gem --ruby > my_gem-1.0/my_gem-1.0.gemspec + $ cd my_gem-1.0 + [edit gem contents] + $ gem build my_gem-1.0.gemspec + EOF + end + def usage # :nodoc: "#{program_name} GEMSPEC_FILE" end |