Class: Danger::Init

Inherits:

Runner

• Object
• CLAide::Command
• Runner
• Danger::Init

Defined in:

lib/danger/commands/init.rb

Instance Attribute Summary

• #ui ⇒ Object

  Returns the value of attribute ui.

Attributes inherited from Runner

#cork

Class Method Summary

• .options ⇒ Object

Instance Method Summary

• #circle_token ⇒ Object
• #considered_an_oss_repo? ⇒ Boolean
• #current_repo_slug ⇒ Object
• #darwin? ⇒ Boolean
• #info ⇒ Object
• #initialize(argv) ⇒ Init constructor

  A new instance of Init.

• #note_about_clicking_links ⇒ Object
• #run ⇒ Object
• #setup_access_token ⇒ Object
• #setup_danger_ci ⇒ Object
• #setup_dangerfile ⇒ Object
• #setup_github_account ⇒ Object
• #show_todo_state ⇒ Object
• #thanks ⇒ Object
• #travis_token ⇒ Object
• #unsure_ci ⇒ Object
• #unsure_token ⇒ Object
• #uses_circle ⇒ Object
• #uses_travis ⇒ Object

Methods inherited from Runner

#validate!

Constructor Details

#initialize(argv) ⇒ Init

Returns a new instance of Init.

# File 'lib/danger/commands/init.rb', line 20

def initialize(argv)
  @bot_name = File.basename(Dir.getwd).split(".").first.capitalize + "Bot"
  super
  @ui = Interviewer.new(cork)
  ui.no_delay = argv.flag?("impatient", false)
  ui.no_waiting = argv.flag?("mousey", false)
end

Instance Attribute Details

#ui ⇒ Object

Returns the value of attribute ui.

# File 'lib/danger/commands/init.rb', line 11

def ui
  @ui
end

Class Method Details

.options ⇒ Object

# File 'lib/danger/commands/init.rb', line 13

def self.options
  [
    ["--impatient", "'I've not got all day here. Don't add any thematic delays please.'"],
    ["--mousey", "'Don't make me press return to continue the adventure.'"]
  ].concat(super)
end

Instance Method Details

#circle_token ⇒ Object

# File 'lib/danger/commands/init.rb', line 231

def circle_token
  # https://circleci.com/gh/artsy/eigen/edit#env-vars
  if considered_an_oss_repo?
    ui.say "Before we start, it's important to be up-front. CircleCI only really has one option to support running Danger"
    ui.say "for forks on OSS repos. It is quite a drastic option, and I want to let you know the best place to understand"
    ui.say "the ramifications of turning on a setting I'm about to advise.\n"
    ui.link "https://circleci.com/docs/fork-pr-builds"
    ui.say "TLDR: If you have anything other than Danger config settings in CircleCI, then you should not turn on the setting."
    ui.say "I'll give you a minute to read it..."
    ui.wait_for_return

    ui.say "On danger/danger we turn on " + "Permissive building of fork pull requests".yellow + " this exposes the token to Danger"
    ui.say "You can find this setting at:"
    ui.link "https://circleci.com/gh/#{current_repo_slug}/edit#advanced-settings\n"
    ui.say "I'll hold..."
    ui.wait_for_return
  end

  ui.say "In order to expose an environment variable, go to:"
  ui.link "https://circleci.com/gh/#{current_repo_slug}/edit#env-vars"
  ui.say "The name is " + "DANGER_GITHUB_API_TOKEN".yellow + " and the value is the GitHub Personal Access Token."
end

#considered_an_oss_repo? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/danger/commands/init.rb', line 141

def considered_an_oss_repo?
  @is_open_source == "open"
end

#current_repo_slug ⇒ Object

# File 'lib/danger/commands/init.rb', line 145

def current_repo_slug
  git = GitRepo.new

  author_repo_regexp = %r{(?:[/:])([^/]+/[^/]+)(?:.git)?$}
  last_git_regexp = /.git$/

  matches = git.origins.match(author_repo_regexp)

  matches ? matches[1].gsub(last_git_regexp, "").strip : "[Your/Repo]"
end

#darwin? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/danger/commands/init.rb', line 293

def darwin?
  Gem::Platform.local.os == "darwin"
end

#info ⇒ Object

# File 'lib/danger/commands/init.rb', line 271

def info
  ui.header "Useful info"
  ui.say "- One of the best ways to test out new rules locally is via " + "bundle exec danger pr".yellow + "."
  ui.pause 0.6
  ui.say "- You can have Danger output all of her variables to the console via the " + "--verbose".yellow + " option."
  ui.pause 0.6
  ui.say "- You can look at the following Dangerfiles to get some more ideas:"
  ui.pause 0.6
  ui.link "https://github.com/danger/danger/blob/master/Dangerfile"
  ui.link "https://github.com/artsy/eigen/blob/master/dangerfile.ts"
  ui.pause 1
end

#note_about_clicking_links ⇒ Object

# File 'lib/danger/commands/init.rb', line 261

def note_about_clicking_links
  modifier_key = "ctrl"
  clicks = "clicking"

  modifier_key = "cmd ( ⌘ )" if darwin?
  clicks = "double clicking" if darwin? && !ENV["ITERM_SESSION_ID"]

  ui.say "Note: Holding #{modifier_key} and #{clicks} a link will open it in your browser."
end

#run ⇒ Object

# File 'lib/danger/commands/init.rb', line 28

def run
  ui.say "\nOK, thanks #{ENV['LOGNAME']}, have a seat and we'll get you started.\n".yellow
  ui.pause 1

  show_todo_state
  ui.pause 1.4

  setup_dangerfile
  setup_github_account
  setup_access_token
  setup_danger_ci

  info
  thanks
end

#setup_access_token ⇒ Object

# File 'lib/danger/commands/init.rb', line 110

def setup_access_token
  ui.header "Step 3: Configuring a GitHub Personal Access Token"

  ui.say "Here's the link, you should open this in the private session where you just created the new GitHub account"
  ui.link "https://github.com/settings/tokens/new"
  ui.pause 1

  @is_open_source = ui.ask_with_answers("For token access rights, I need to know if this is for an Open Source or Closed Source project\n", ["Open", "Closed"])

  if considered_an_oss_repo?
    ui.say "For Open Source projects, I'd recommend giving the token the smallest scope possible."
    ui.say "This means only providing access to " + "public_repo".yellow + " in the token.\n\n"
    ui.pause 1
    ui.say "This token limits Danger's abilities to just writing comments on OSS projects. I recommend"
    ui.say "this because the token can quite easily be extracted from the environment via pull requests."

    ui.say "\nIt is important that you do not store this token in your repository, as GitHub will automatically revoke it when pushed.\n"
  elsif @is_open_source == "closed"
    ui.say "For Closed Source projects, I'd recommend giving the token access to the whole repo scope."
    ui.say "This means only providing access to " + "repo".yellow + ", and its children in the token.\n\n"
    ui.pause 1
    ui.say "It's worth noting that you " + "should not".bold.white + " re-use this token for OSS repos."
    ui.say "Make a new one for those repos with just " + "public_repo".yellow + "."
    ui.pause 1
    ui.say "Additionally, don't forget to add your new GitHub account as a collaborator to your Closed Source project."
  end

  ui.say "\n👍, please press return when you have your token set up..."
  ui.wait_for_return
end

#setup_danger_ci ⇒ Object

# File 'lib/danger/commands/init.rb', line 156

def setup_danger_ci
  ui.header "Step 4: Add Danger for your CI"

  uses_travis if File.exist? ".travis.yml"
  uses_circle if File.exist? "circle.yml"
  unsure_ci unless File.exist?(".travis.yml") || File.exist?(".circle.yml")

  ui.say "\nOK, I'll give you a moment to do this..."
  ui.wait_for_return

  ui.header "Final step: exposing the GitHub token as an environment build variable."
  ui.pause 0.4
  if considered_an_oss_repo?
    ui.say "As you have an Open Source repo, this token should be considered public, otherwise you cannot"
    ui.say "run Danger on pull requests from forks, limiting its use.\n"
    ui.pause 1
  end

  travis_token if File.exist? ".travis.yml"
  circle_token if File.exist? "circle.yml"
  unsure_token unless File.exist?(".travis.yml") || File.exist?(".circle.yml")

  ui.pause 0.6
  ui.say "This is the last step, I can give you a second..."
  ui.wait_for_return
end

#setup_dangerfile ⇒ Object

# File 'lib/danger/commands/init.rb', line 56

def setup_dangerfile
  content = DangerfileGenerator.create_dangerfile(".", cork)
  File.write("Dangerfile", content)

  ui.header "Step 1: Creating a starter Dangerfile"
  ui.say "I've set up an example Dangerfile for you in this folder.\n"
  ui.pause 1

  ui.say "cat #{Dir.pwd}/Dangerfile\n".blue
  content.lines.each do |l|
    ui.say "  " + l.chomp.green
  end
  ui.say ""
  ui.pause 2

  ui.say "There's a collection of small, simple ideas in here, but Danger is about being able to easily"
  ui.say "iterate. The power comes from you having the ability to codify fixes for some of the problems"
  ui.say "that come up in day to day programming. It can be difficult to try and see those from day 1."

  ui.say "\nIf you'd like to investigate the file, and make some changes - I'll wait here,"
  ui.say "press return when you're ready to move on..."
  ui.wait_for_return
end

#setup_github_account ⇒ Object

# File 'lib/danger/commands/init.rb', line 80

def setup_github_account
  ui.header "Step 2: Creating a GitHub account"

  ui.say "In order to get the most out of Danger, I'd recommend giving her the ability to post in"
  ui.say "the code-review comment section.\n\n"
  ui.pause 1

  ui.say "IMO, it's best to do this by using the private mode of your browser. Create an account like"
  ui.say "#{@bot_name}, and don't forget a cool robot avatar.\n\n"
  ui.pause 1
  ui.say "Here are great resources for creative commons images of robots:"
  ui.link "https://www.flickr.com/search/?text=robot&license=2%2C3%2C4%2C5%2C6%2C9"
  ui.link "https://www.google.com/search?q=robot&tbs=sur:fmc&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjgy8-f95jLAhWI7hoKHV_UD00QsAQIMQ&biw=1265&bih=1359"
  ui.pause 1

  if considered_an_oss_repo?
    ui.say "#{@bot_name} does not need privileged access to your repo or org. This is because Danger will only"
    ui.say "be writing comments, and you do not need special access for that."
  else
    ui.say "#{@bot_name} will need access to your repo. Simply because the code is not available for the public"
    ui.say "to read and comment on."
  end

  ui.say ""
  note_about_clicking_links
  ui.pause 1
  ui.say "\nCool, please press return when you have your account ready (and you've verified the email...)"
  ui.wait_for_return
end

#show_todo_state ⇒ Object

# File 'lib/danger/commands/init.rb', line 44

def show_todo_state
  ui.say "We need to do the following:\n"
  ui.pause 0.6
  ui.say " - [ ] Create a Dangerfile and add a few simple rules."
  ui.pause 0.6
  ui.say " - [#{@account_created ? 'x' : ' '}] Create a GitHub account for Danger to use, for messaging."
  ui.pause 0.6
  ui.say " - [ ] Set up an access token for Danger."
  ui.pause 0.6
  ui.say " - [ ] Set up Danger to run on your CI.\n\n"
end

#thanks ⇒ Object

# File 'lib/danger/commands/init.rb', line 284

def thanks
  ui.say "\n\n🎉"
  ui.pause 0.6

  ui.say "And you're good to go. Danger is a collaboration between Orta Therox, Gem 'Danger' McShane and Felix Krause."
  ui.say "If you like Danger, let others know. If you want to know more, follow " + "@orta".yellow + " and " + "@KrauseFx".yellow + " on Twitter."
  ui.say "If you don't like Danger, help us improve the project! xxx"
end

#travis_token ⇒ Object

# File 'lib/danger/commands/init.rb', line 221

def travis_token
  # https://travis-ci.org/artsy/eigen/settings
  ui.say "In order to add an environment variable, go to:"
  ui.link "https://travis-ci.org/#{current_repo_slug}/settings"
  ui.say "\nThe name is " + "DANGER_GITHUB_API_TOKEN".yellow + " and the value is the GitHub Personal Access Token."
  if @is_open_source
    ui.say 'Make sure to have "Display value in build log" enabled.'
  end
end

#unsure_ci ⇒ Object

# File 'lib/danger/commands/init.rb', line 214

def unsure_ci
  danger = "bundle exec danger".yellow
  ui.say "As I'm not sure what CI you want to run Danger on based on the files in your repo, I'll just offer some generic"
  ui.say "advice. You want to run " + danger + " after your tests have finished running, it should still be during the testing"
  ui.say "process so the build can fail."
end

#unsure_token ⇒ Object

# File 'lib/danger/commands/init.rb', line 254

def unsure_token
  ui.say "You need to expose a token called " + "DANGER_GITHUB_API_TOKEN".yellow + " and the value is the GitHub Personal Access Token."
  ui.say "Depending on the CI system, this may need to be done on the machine (in the " + "~/.bashprofile".yellow + ") or in a web UI somewhere."
  ui.say "We have a guide for all supported CI systems on danger.systems:"
  ui.link "https://danger.systems/guides/getting_started.html#setting-up-danger-to-run-on-your-ci"
end

#uses_circle ⇒ Object

# File 'lib/danger/commands/init.rb', line 196

def uses_circle
  danger = "- bundle exec danger".yellow
  config = YAML.load(File.read("circle.yml"))

  if config.kind_of?(Hash) && config["test"]
    if config["test"]["post"]
      ui.say "Add " + danger + " as a new step in the " + "test:post:".yellow + " section of your circle.yml file."
    else
      ui.say "Add " + danger + " as a new step in the " + "test:override:".yellow + " section of your circle.yml file."
    end
  else
    ui.say "Add this to the bottom of your circle.yml file:"
    ui.say "test:".green
    ui.say "  post:".green
    ui.say "    #{danger}".green
  end
end

#uses_travis ⇒ Object

# File 'lib/danger/commands/init.rb', line 183

def uses_travis
  danger = "bundle exec danger".yellow
  config = YAML.load(File.read(".travis.yml"))
  if config.kind_of?(Hash) && config["script"]
    ui.say "Add " + "- ".yellow + danger + " as a new step in the " + "script".yellow + " section of your .travis.yml file."
  else
    ui.say "I'd recommend adding " + "before_script: ".yellow + danger + " to the script section of your .travis.yml file."
  end

  ui.pause 1
  ui.say "You shouldn't use " + "after_success, after_failure, after_script".red + " as they cannot fail your builds."
end