True when the gem has been activated
Override to provide details of the arguments a command takes. It should return a left-justified string, one argument per line.
For example:
def usage "#{program_name} FILE [FILE ...]" end def arguments "FILE name of file to find" end
Reset the authoritative instance of the command manager.
Merges the requirements of other
into this dependency
Creates the following instance variables:
a spec named ‘a’, intended for regular installs
a spec named ‘b’, intended for user installs
the path to a built gem from @spec
the path to a built gem from @user_spec
a Gem::Installer
for the @spec that installs into @gemhome
a Gem::Installer
for the @user_spec that installs into Gem.user_dir
Creates a new package that will read or write to the file gem
.
A list of file names contained in this gem
Verifies that this gem:
Contains a valid gem specification
Contains a contents archive
The contents archive is not corrupt
After verification the gem specification from the gem is available from spec