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53 lines
1.5 KiB
53 lines
1.5 KiB
5 years ago
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#!/usr/bin/ruby
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require 'rubygems/package'
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module RubyGemsReq
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module Helpers
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# Keep only '!=' requirements.
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def self.conflicts(requirements)
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conflicts = requirements.select {|r| r.first == '!='}
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end
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# Converts Gem::Requirement into array of requirements strings compatible
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# with RPM .spec file.
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def self.requirement_versions_to_rpm(requirement)
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self.conflicts(requirement.requirements).map do |op, version|
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version == Gem::Version.new(0) ? "" : "= #{version}"
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end
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end
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end
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# Report conflicting gem dependencies including their version.
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def self.gem_depenencies(specification)
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specification.runtime_dependencies.each do |dependency|
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conflict_strings = Helpers::requirement_versions_to_rpm(dependency.requirement).map do |requirement|
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requirement_string = "rubygem(#{dependency.name}) #{requirement}"
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end
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if conflict_strings.length > 0
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conflict_string = conflict_strings.join(' with ')
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conflict_string.prepend('(').concat(')') if conflict_strings.length > 1
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puts conflict_string
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end
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end
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end
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# Reports all conflicts specified by all provided .gemspec files.
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def self.conflicts
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while filename = gets
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filename.strip!
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begin
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specification = Gem::Specification.load filename
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gem_depenencies(specification)
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rescue => e
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# Ignore all errors.
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end
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end
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end
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end
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if __FILE__ == $0
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RubyGemsReq::conflicts
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end
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