Class: RIM::Manifest::RepoReader

Inherits:
Object
  • Object
show all
Defined in:
lib/rim/manifest/repo_reader.rb

Overview

Reader for the original Google Repo manifest

Instance Method Summary collapse

Instance Method Details

#read(file) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/rim/manifest/repo_reader.rb', line 10

def read(file)
  manifest = Manifest.new
  File.open(file) do |f|
    doc = Nokogiri::XML::Document.parse(f)
    remote_by_name = {}
    defaults = nil
    doc.xpath("/manifest/default").each do |d|
      raise "duplicate default setting" if defaults
      defaults = {
        :revision => d.attr("revision"),
        :remote => d.attr("remote")
      }
    end
    doc.xpath("/manifest/remote").each do |r|
      name = r.attr("name")
      raise "remote without a name" unless name
      rem = Remote.new(
        :fetch_url => r.attr("fetch"),
        :review_url => r.attr("review")
        )
      raise "conflicting remote name #{name}" if remote_by_name[name]
      remote_by_name[name] = rem
    end
    doc.xpath("/manifest/project").each do |p|
      remote = p.attr("remote")
      remote ||= defaults[:remote]
      if remote
        raise "remote #{remote} not found" unless remote_by_name[remote]
      else
        raise "no remote specified and no default remote either"
      end
      revision = p.attr("revision")
      revision ||= defaults[:revision]
      if !revision
        raise "no revision specified and no default revision either"
      end
      mod = Module.new(
        :remote_path => p.attr("name"),
        :local_path => p.attr("path"),
        :revision => revision,
        :remote => remote_by_name[remote]
        )
      manifest.add_module(mod)
    end
  end
  manifest
end