Does RubyGems have means for determining if a gem is active or not?
And a way to get it's gemspec and locating it's files? I had written
these extensions for doing so sometime ago. Hopefully there are
built-in ways for accessing such information and these aren't of use
anymore. Otherwise perhaps they could be used to provide that access.
module Gem
# Is a gem active?
def self.active?(gemname)
@loaded_specs ||= Hash.new
@loaded_specs.key? gemname
end
# path to active gem's files
def self.gempath(gemname, subdir=nil)
if active?(gemname)
if subdir
File.join( @loaded_specs[gemname].full_gem_path, subdir )
else
@loaded_specs[gemname].full_gem_path
end
end
end
# an active gems gemspec
def self.gemspec(gemname)
@loaded_specs[gemname] if active?(gemname)
end
end
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