app/services/delete_branch_service.rb


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
47
48

class DeleteBranchService < BaseService
  def execute(branch_name)
    repository = project.repository
    branch = repository.find_branch(branch_name)

    unless branch
      return error('No such branch', 404)
    end

    if branch_name == repository.root_ref
      return error('Cannot remove HEAD branch', 405)
    end

    if project.protected_branch?(branch_name)
      return error('Protected branch cant be removed', 405)
    end

    unless current_user.can?(:push_code, project)
      return error('You dont have push access to repo', 405)
    end

    if repository.rm_branch(current_user, branch_name)
      success('Branch was removed')
    else
      error('Failed to remove branch')
    end
  rescue GitHooksService::PreReceiveError => ex
    error(ex.message)
  end

  def error(message, return_code = 400)
    super(message).merge(return_code: return_code)
  end

  def success(message)
    super().merge(message: message)
  end

  def build_push_data(branch)
    Gitlab::DataBuilder::Push.build(
      project,
      current_user,
      branch.dereferenced_target.sha,
      Gitlab::Git::BLANK_SHA,
      "#{Gitlab::Git::BRANCH_REF_PREFIX}#{branch.name}",
      [])
  end
end