Class: Chef::Provider::Package::Yum::RPMPackage

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/chef/provider/package/yum.rb

Direct Known Subclasses

RPMDbPackage

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ RPMPackage

Returns a new instance of RPMPackage.



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# File 'lib/chef/provider/package/yum.rb', line 335

def initialize(*args)
  if args.size == 4
    @n = args[0]
    @version = RPMVersion.new(args[1])
    @a = args[2]
    @provides = args[3]
  elsif args.size == 6
    @n = args[0]
    e = args[1].to_i
    v = args[2]
    r = args[3]
    @version = RPMVersion.new(e,v,r)
    @a = args[4]
    @provides = args[5]
  else
    raise ArgumentError, "Expecting either 'name, epoch-version-release, arch, provides' " +
                         "or 'name, epoch, version, release, arch, provides'"
  end

  # We always have one, ourselves!
  if @provides.empty?
    @provides = [ RPMProvide.new(@n, @version.evr, :==) ]
  end
end

Instance Attribute Details

#a ⇒ Object (readonly) Also known as: arch

Returns the value of attribute a.



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# File 'lib/chef/provider/package/yum.rb', line 359

def a
  @a
end

#n ⇒ Object (readonly) Also known as: name

Returns the value of attribute n.



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# File 'lib/chef/provider/package/yum.rb', line 359

def n
  @n
end

#provides ⇒ Object (readonly)

Returns the value of attribute provides.



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# File 'lib/chef/provider/package/yum.rb', line 359

def provides
  @provides
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/chef/provider/package/yum.rb', line 359

def version
  @version
end

Instance Method Details

#<=>(y) ⇒ Object 



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# File 'lib/chef/provider/package/yum.rb', line 363

def <=>(y)
  compare(y)
end

#compare(y) ⇒ Object 



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# File 'lib/chef/provider/package/yum.rb', line 367

def compare(y)
  x = self

  # easy! :)
  return 0 if x.nevra == y.nevra

  # compare name
  if x.n.nil? == false and y.n.nil?
    return 1
  elsif x.n.nil? and y.n.nil? == false
    return -1
  elsif x.n.nil? == false and y.n.nil? == false
    if x.n < y.n
      return -1
    elsif x.n > y.n
      return 1
    end
  end

  # compare version
  if x.version > y.version
    return 1
  elsif x.version < y.version
    return -1
  end

  # compare arch
  if x.a.nil? == false and y.a.nil?
    return 1
  elsif x.a.nil? and y.a.nil? == false
    return -1
  elsif x.a.nil? == false and y.a.nil? == false
    if x.a < y.a
      return -1
    elsif x.a > y.a
      return 1
    end
  end

  return 0
end

#nevra ⇒ Object 



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# File 'lib/chef/provider/package/yum.rb', line 413

def nevra
  "#{@n}-#{@version.evr}.#{@a}"
end

#to_s ⇒ Object 



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# File 'lib/chef/provider/package/yum.rb', line 409

def to_s
  nevra
end