/lib/danger/danger_core/environment_manager.rb
Ruby | 122 lines | 92 code | 26 blank | 4 comment | 9 complexity | d732452e2b2aebb6e7df9705d725cdbd MD5 | raw file
- require "danger/ci_source/ci_source"
- require "danger/request_sources/request_source"
- module Danger
- class EnvironmentManager
- attr_accessor :ci_source, :request_source, :scm, :ui
- # Finds a Danger::CI class based on the ENV
- def self.local_ci_source(env)
- CI.available_ci_sources.find { |ci| ci.validates_as_ci? env }
- end
- # Uses the current Danger::CI subclass, and sees if it is a PR
- def self.pr?(env)
- local_ci_source(env).validates_as_pr?(env)
- end
- # @return [String] danger's default head branch
- def self.danger_head_branch
- "danger_head".freeze
- end
- # @return [String] danger's default base branch
- def self.danger_base_branch
- "danger_base".freeze
- end
- def initialize(env, ui = nil)
- ci_klass = self.class.local_ci_source(env)
- self.ci_source = ci_klass.new(env)
- self.ui = ui || Cork::Board.new(silent: false, verbose: false)
- RequestSources::RequestSource.available_request_sources.each do |klass|
- next unless self.ci_source.supports?(klass)
- request_source = klass.new(self.ci_source, env)
- next unless request_source.validates_as_ci?
- next unless request_source.validates_as_api_source?
- self.request_source = request_source
- end
- raise_error_for_no_request_source(env, ui) unless self.request_source
- self.scm = self.request_source.scm
- end
- def pr?
- self.ci_source != nil
- end
- def fill_environment_vars
- request_source.fetch_details
- end
- def ensure_danger_branches_are_setup
- clean_up
- self.request_source.setup_danger_branches
- end
- def clean_up
- [EnvironmentManager.danger_base_branch, EnvironmentManager.danger_head_branch].each do |branch|
- scm.exec("branch -D #{branch}") unless scm.exec("rev-parse --quiet --verify #{branch}").empty?
- end
- end
- def meta_info_for_head
- scm.exec("--no-pager log #{EnvironmentManager.danger_head_branch} -n1")
- end
- def meta_info_for_base
- scm.exec("--no-pager log #{EnvironmentManager.danger_base_branch} -n1")
- end
- def raise_error_for_no_request_source(env, ui)
- title, subtitle = extract_title_and_subtitle_from_source(ci_source.repo_url)
- subtitle += travis_note if env["TRAVIS_SECURE_ENV_VARS"] == "true"
- ui_display_no_request_source_error_message(ui, env, title, subtitle)
- exit(1)
- end
- private
- def get_repo_source(repo_url)
- if repo_url =~ /github/i
- RequestSources::GitHub
- elsif repo_url =~ /gitlab/i
- RequestSources::GitLab
- elsif repo_url =~ /bitbucket\.(org|com)/i
- RequestSources::BitbucketCloud
- end
- end
- def extract_title_and_subtitle_from_source(repo_url)
- source = get_repo_source(repo_url)
- if source
- title = "For your #{source.source_name} repo, you need to expose: " + source.env_vars.join(", ").yellow
- subtitle = "You may also need: #{source.optional_env_vars.join(', ')}" if source.optional_env_vars.any?
- else
- title = "For Danger to run on this project, you need to expose a set of following the ENV vars:\n#{RequestSources::RequestSource.available_source_names_and_envs.join("\n")}"
- end
- [title, (subtitle || "")]
- end
- def ui_display_no_request_source_error_message(ui, env, title, subtitle)
- ui.title "Could not set up API to Code Review site for Danger\n".freeze
- ui.puts title
- ui.puts subtitle
- ui.puts "\nFound these keys in your ENV: #{env.keys.join(', '.freeze)}."
- ui.puts "\nFailing the build, Danger cannot run without API access.".freeze
- ui.puts "You can see more information at http://danger.systems/guides/getting_started.html".freeze
- end
- def travis_note
- "\nTravis note: If you have an open source project, you should ensure 'Display value in build log' enabled for these flags, so that PRs from forks work." \
- "\nThis also means that people can see this token, so this account should have no write access to repos."
- end
- end
- end