Contents

module GitlabMrRelease
  require "gitlab"

  class Project
    # @param api_endpoint     [String]
    # @param private_token    [String]
    # @param project_name     [String]
    def initialize(api_endpoint:, private_token:, project_name:)
      Gitlab.configure do |config|
        config.endpoint      = api_endpoint
        config.private_token = private_token
      end
      @project_name = project_name
    end

    def web_url
      @web_url ||= Gitlab.project(escaped_project_name).web_url
    end

    # find merge requests between from...to
    # @param from [String]
    # @param to   [String]
    # @return [Array<Integer>] MergeRequest iids
    def merge_request_iids_between(from, to)
      commits = Gitlab.repo_compare(escaped_project_name, from, to).commits
      commits.map do |commit|
        commit["message"] =~ /^Merge branch .*See merge request \!(\d+)$/m
        $1
      end.compact.map(&:to_i)
    end

    # find MergeRequest with iid
    def merge_request(iid)
      mr = Gitlab.merge_requests(escaped_project_name, iid: iid).first
      assert_merge_request_iid(mr, iid) if mr
      mr
    end

    def generate_description(iids, template)
      merge_requests = iids.map { |iid| merge_request(iid) }
      ERB.new(template, nil, "-").result(binding).strip
    end

    def create_merge_request(source_branch:, target_branch:, title:, template:)
      iids = merge_request_iids_between(target_branch, source_branch)
      options = {
        source_branch: source_branch,
        target_branch: target_branch,
        description:   generate_description(iids, template),
      }
      Gitlab.create_merge_request(escaped_project_name, title, options)
    end

    private

    def escaped_project_name
      CGI.escape(@project_name)
    end

    def assert_merge_request_iid(mr, iid)
      # NOTE: MR is found, but server is old GitLab?
      raise "MergeRequest iid does not match (expected #{iid}, but #{mr.iid})" unless iid == mr.iid
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
gitlab_mr_release-0.2.0	lib/gitlab_mr_release/project.rb
gitlab_mr_release-0.1.1	lib/gitlab_mr_release/project.rb