File rubygemsdeps.rb of Package ruby-common

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File rubygemsdeps.rb of Package ruby-common (Revision 7d17b7f4a8ea2c0fb3dbf099727d3d53)

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#!/usr/bin/ruby

# Copyright (c) 2012 Stephan Kulow
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

require 'optparse'
require 'rubygems'
require 'rubygems/specification'

opts = OptionParser.new("Usage: #{$0}")

provides=false
opts.on("-P", "--provides", "Output the provides of the package") do |val|
    provides=true
end
requires=false
opts.on("-R", "--requires", "Output the requires of the package") do |val|
    requires=true
end
rest = opts.permute(ARGV)

unless provides || requires
  exit(0)
end

gemspecs=Array.new

$stdin.each_line do |line|
  m = line.match(%r{.*/specifications/.*\.gemspec$})
  gemspecs << [m[0], Gem::Specification.load(m[0])] if m
end

gemspecs.each do |file, spec|
  rubyabi=nil
  m = file.match(%r{.*/gems/([^/]*)/.*})
  rubyabi=m[1] if m
  if provides
    # old forms
    puts "rubygem-#{spec.name} = #{spec.version}"
    versions = spec.version.to_s.split('.')
    puts "rubygem-#{spec.name}-#{versions[0]} = #{spec.version}" if versions.length > 1
    puts "rubygem-#{spec.name}-#{versions[0]}_#{versions[1]} = #{spec.version}" if versions.length > 2
    puts "rubygem-#{spec.name}-#{versions[0]}_#{versions[1]}_#{versions[2]} = #{spec.version}" if versions.length > 3

# version without ruby version - asking for trouble
    puts "rubygem(#{spec.name}) = #{spec.version}"
    if rubyabi
      puts "rubygem(#{rubyabi}:#{spec.name}) = #{spec.version}"
      puts "rubygem(#{rubyabi}:#{spec.name}:#{versions[0]}) = #{spec.version}" if versions.length > 1
      puts "rubygem(#{rubyabi}:#{spec.name}:#{versions[0]}.#{versions[1]}) = #{spec.version}" if versions.length > 2
      puts "rubygem(#{rubyabi}:#{spec.name}:#{versions[0]}.#{versions[1]}.#{versions[2]}) = #{spec.version}" if versions.length > 3
    end
  end

if requires
    puts "ruby(abi) = #{rubyabi}" if rubyabi
    spec.runtime_dependencies.each do |dep|
      dep.requirement.requirements.each do |r|
        if r.first == '~>'
          versions = r.last.to_s.split('.')
          versions = versions[0,versions.length-1]
	  # ~> 2 is pretty nonsense, so avoid being tricked
	  if versions.length > 1
            puts "rubygem(#{rubyabi}:#{dep.name}:#{versions.join('.')}) >= #{r.last}"
          else
            puts "rubygem(#{rubyabi}:#{dep.name}) >= #{r.last}"
          end
        elsif r.first == '!='
          # this is purely guessing, but we can't generate conflicts here ;(
          puts "rubygem(#{rubyabi}:#{dep.name}) > #{r.last}"
          #puts "rubygem(#{rubyabi}:#{dep.name}) < #{r.last}"
        else
          puts "rubygem(#{rubyabi}:#{dep.name}) #{r.first} #{r.last}"
        end
      end
    end
  end
end

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File rubygemsdeps.rb of Package ruby-common (Revision 7d17b7f4a8ea2c0fb3dbf099727d3d53)

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