summaryrefslogtreecommitdiff
path: root/lib/gitlab/git_post_receive.rb
blob: e731e654f3cc5d839fb0dd0581477832164940c6 (plain)
1
2
3
4
5
6
7
8
9
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
# frozen_string_literal: true

module Gitlab
  class GitPostReceive
    include Gitlab::Identifier
    attr_reader :project, :identifier, :changes

    def initialize(project, identifier, changes)
      @project = project
      @identifier = identifier
      @changes = deserialize_changes(changes)
    end

    def identify(revision)
      super(identifier, project, revision)
    end

    def changes_refs
      return changes unless block_given?

      changes.each do |change|
        change.strip!
        oldrev, newrev, ref = change.split(' ')

        yield oldrev, newrev, ref
      end
    end

    private

    def deserialize_changes(changes)
      utf8_encode_changes(changes).each_line
    end

    def utf8_encode_changes(changes)
      changes.force_encoding('UTF-8')
      return changes if changes.valid_encoding?

      # Convert non-UTF-8 branch/tag names to UTF-8 so they can be dumped as JSON.
      detection = CharlockHolmes::EncodingDetector.detect(changes)
      return changes unless detection && detection[:encoding]

      CharlockHolmes::Converter.convert(changes, detection[:encoding], 'UTF-8')
    end
  end
end