Class: Gem2Rpm::Distro

Inherits:
Object
  • Object
show all
Defined in:
lib/gem2rpm/distro.rb

Constant Summary collapse

FEDORA = 
:fedora
OPENSUSE = 
:opensuse
DEFAULT = 
:default
OPEN_MODE =

:nodoc:

if Object.const_defined? :Encoding
  'r:UTF-8'
else
  'r'
end

Class Method Summary collapse

Class Method Details

.in_range?(version, range) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gem2rpm/distro.rb', line 55

def self.in_range?(version, range)
  return nil unless range

  if range.length == 1
    return true if range.first.to_s == version.to_s
  else # range: [xx, yy]
    if range[0].to_s <= version.to_s
      return true if range[1] == 'rawhide' or version.to_s <= range[1].to_s
    end
  end

  false
end

.nature ⇒ Object 



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# File 'lib/gem2rpm/distro.rb', line 14

def self.nature
  if !release_files.grep(/fedora/).empty?
    versions = []

    release_files.each do |file|
      /\d+/ =~ File.open(file, OPEN_MODE).readline
      versions << Regexp.last_match.to_s if Regexp.last_match
    end

    versions.uniq!

    if versions.length == 1
      template_by_os_version(FEDORA, versions.first) || FEDORA
    else # no version or more versions (=> don't know what to do)
      FEDORA
    end
  elsif !release_files.grep(/redhat/).empty?
    # Use Fedora's template for RHEL ATM.
    FEDORA
  elsif !release_files.grep(/SuSE/).empty?
    OPENSUSE
  else
    DEFAULT
  end
end

.release_files ⇒ Object 



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# File 'lib/gem2rpm/distro.rb', line 40

def self.release_files
  @@release_files ||=
    Dir.glob('/etc/*{_version,-release}*').select {|e| File.file? e}
end

.template_by_os_version(os, version) ⇒ Object 



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# File 'lib/gem2rpm/distro.rb', line 45

def self.template_by_os_version(os, version)
  Dir.new(Gem2Rpm::template_dir).each do |file|
    next if file =~ /^\./
    /#{os}-([\w-]+).spec.erb/ =~ file
    return file.gsub('.spec.erb', '') if Regexp.last_match and in_range?(version, Regexp.last_match[1].to_s.split('-'))
  end

  nil
end