Module: Buildr::ArtifactSearch

Extended by:
ArtifactSearch
Included in:
ArtifactSearch
Defined in:
lib/buildr/packaging/artifact_search.rb

Overview

Search best artifact version from remote repositories

Instance Method Summary collapse

Instance Method Details

#best_version(spec, *methods) ⇒ Object

TODO: return the url for best matching repo



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# File 'lib/buildr/packaging/artifact_search.rb', line 35

def best_version(spec, *methods)
  spec = Artifact.to_hash(spec)
  spec[:version] = requirement = VersionRequirement.create(spec[:version])
  select = lambda do |candidates|
    candidates.find { |candidate| requirement.satisfied_by?(candidate) }
  end
  result = nil
  methods = search_methods if methods.empty?
  if requirement.composed?
    until result || methods.empty?
      method = methods.shift
      type = method.keys.first
      from = method[type]
      if (include.empty? || !(include & [:all, type, from]).empty?) &&
          (exclude & [:all, type, from]).empty?
        if from.respond_to?(:call)
          versions = from.call(spec.dup)
        else
          versions = send("#{type}_versions", spec.dup, *from)
        end
        result = select[versions]
      end
    end
  end
  result ||= requirement.default
  raise "Could not find #{Artifact.to_spec(spec)}"  +
    "\n You may need to use an specific version instead of a requirement" unless result
  spec.merge :version => result
end

#exclude(method = nil) ⇒ Object 



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# File 'lib/buildr/packaging/artifact_search.rb', line 30

def exclude(method = nil)
  (@excludes ||= []).tap { push method if method }
end

#include(method = nil) ⇒ Object 



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# File 'lib/buildr/packaging/artifact_search.rb', line 26

def include(method = nil)
  (@includes ||= []).tap { push method if method }
end

#requirement?(spec) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/buildr/packaging/artifact_search.rb', line 65

def requirement?(spec)
  VersionRequirement.requirement?(spec[:version])
end