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e93d882d96
creating ruby-format gemspecs. Fixes Gem.dir not being at the front of Gem.path to fix uninstall and cleanup commands. Fixes gem uninstall stopping on the first missing gem. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33074 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
70 lines
1.5 KiB
Ruby
70 lines
1.5 KiB
Ruby
##
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# Gem::PathSupport facilitates the GEM_HOME and GEM_PATH environment settings
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# to the rest of RubyGems.
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#
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class Gem::PathSupport
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##
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# The default system path for managing Gems.
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attr_reader :home
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##
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# Array of paths to search for Gems.
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attr_reader :path
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##
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#
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# Constructor. Takes a single argument which is to be treated like a
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# hashtable, or defaults to ENV, the system environment.
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#
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def initialize(env=ENV)
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@env = env
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# note 'env' vs 'ENV'...
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@home = env["GEM_HOME"] || ENV["GEM_HOME"] || Gem.default_dir
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if File::ALT_SEPARATOR then
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@home = @home.gsub(File::ALT_SEPARATOR, File::SEPARATOR)
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end
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self.path = env["GEM_PATH"] || ENV["GEM_PATH"]
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end
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private
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##
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# Set the Gem home directory (as reported by Gem.dir).
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def home=(home)
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@home = home.to_s
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end
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##
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# Set the Gem search path (as reported by Gem.path).
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def path=(gpaths)
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gem_path = [@home]
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# FIX: I can't tell wtf this is doing.
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gpaths ||= (ENV['GEM_PATH'] || "").empty? ? nil : ENV["GEM_PATH"]
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if gpaths then
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if gpaths.kind_of?(Array) then
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gem_path.push(*gpaths)
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else
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gem_path.push(*gpaths.split(File::PATH_SEPARATOR))
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end
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if File::ALT_SEPARATOR then
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gem_path.map! do |this_path|
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this_path.gsub File::ALT_SEPARATOR, File::SEPARATOR
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end
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end
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else
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gem_path.push(*Gem.default_path)
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gem_path << APPLE_GEM_HOME if defined?(APPLE_GEM_HOME)
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end
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@path = gem_path.uniq
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end
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end
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