Contents

class External
  include Sys::Client

  def self.externals_of(parent, prop = `svn propget svn:externals #{parent}`)
    exts = []
    prop.split("\n").each do |prop_line|
      next if prop_line.strip.empty?
      exts << External.from_property_line(parent, prop_line)
    end
    exts
  end

  attr_reader :name, :path, :url, :revision

  def self.from_property_line(parent, property_line)
    match =  /^(\S+)\s+(-r\s*\d*\s+)?(\S+)\s*$/.match(property_line)
    name = match[1]
    revision = match[2] ? match[2].gsub(/\D/,'').to_i : nil
    url = match[3]
    raise "no url found for '#{property_line}'" if url.nil?
    new(parent, name, url, revision)
  end
  
  def initialize(parent, name, url, revision = nil)
    @name = name
    @revision = revision
    @url = url
    @path = "#{parent}/#{@name}"
  end

  def ==(other)
    (path == other.path and url == other.url)
  end

  def to_s
    "#{name} " + 
    (revision ? "-r #{revision} " : "") + 
    url
  end

  def revision_actual
    info = `svn info #{@path}`
    info.grep(/^Revision:/).first.gsub(/Revision: /, '').to_i
  end

  def should_update?
    revision == nil || revision_actual != revision
  end

  #todo: test? (indirectly tested via root.rb)
  def update
    raise "path is nil" if path.nil?
    say "Updating external #{path}"
    run("svn cleanup #{path}")
    rev = revision.nil? ? '' : "-r#{revision}"
    svn("up #{rev} #{path}", true)
  end

  def checkout
    say "Checking out external #{path}"
    rev = revision.nil? ? '' : "-r#{revision}"
    svn("co #{rev} #{url} #{path}")
  end

end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
sub-0.4.0	lib/sub/external.rb
sub-0.4.2	lib/sub/external.rb
sub-0.4.1	lib/sub/external.rb