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# frozen_string_literal: true
require 'net/http'
require 'json'
require_relative 'teammate'
module Gitlab
module Danger
module Helper
RELEASE_TOOLS_BOT = 'gitlab-release-tools-bot'
ROULETTE_DATA_URL = URI.parse('https://about.gitlab.com/roulette.json').freeze
# Returns a list of all files that have been added, modified or renamed.
# `git.modified_files` might contain paths that already have been renamed,
# so we need to remove them from the list.
#
# Considering these changes:
#
# - A new_file.rb
# - D deleted_file.rb
# - M modified_file.rb
# - R renamed_file_before.rb -> renamed_file_after.rb
#
# it will return
# ```
# [ 'new_file.rb', 'modified_file.rb', 'renamed_file_after.rb' ]
# ```
#
# @return [Array<String>]
def all_changed_files
Set.new
.merge(git.added_files.to_a)
.merge(git.modified_files.to_a)
.merge(git.renamed_files.map { |x| x[:after] })
.subtract(git.renamed_files.map { |x| x[:before] })
.to_a
.sort
end
def ee?
ENV['CI_PROJECT_NAME'] == 'gitlab-ee' || File.exist?('../../CHANGELOG-EE.md')
end
def release_automation?
gitlab.mr_author == RELEASE_TOOLS_BOT
end
def project_name
ee? ? 'gitlab-ee' : 'gitlab-ce'
end
# Looks up the current list of GitLab team members and parses it into a
# useful form
#
# @return [Array<Teammate>]
def team
@team ||=
begin
rsp = Net::HTTP.get_response(ROULETTE_DATA_URL)
raise "Failed to read #{ROULETTE_DATA_URL}: #{rsp.code} #{rsp.message}" unless
rsp.is_a?(Net::HTTPSuccess)
data = JSON.parse(rsp.body)
data.map { |hash| ::Gitlab::Danger::Teammate.new(hash) }
rescue JSON::ParserError
raise "Failed to parse JSON response from #{ROULETTE_DATA_URL}"
end
end
# Like +team+, but only returns teammates in the current project, based on
# project_name.
#
# @return [Array<Teammate>]
def project_team
team.select { |member| member.in_project?(project_name) }
end
# @return [Hash<String,Array<String>>]
def changes_by_category
all_changed_files.each_with_object(Hash.new { |h, k| h[k] = [] }) do |file, hash|
hash[category_for_file(file)] << file
end
end
# Determines the category a file is in, e.g., `:frontend` or `:backend`
# @return[Symbol]
def category_for_file(file)
_, category = CATEGORIES.find { |regexp, _| regexp.match?(file) }
category || :unknown
end
# Returns the GFM for a category label, making its best guess if it's not
# a category we know about.
#
# @return[String]
def label_for_category(category)
CATEGORY_LABELS.fetch(category, "~#{category}")
end
CATEGORY_LABELS = {
docs: "~Documentation", # Docs are reviewed along DevOps stages, so don't need roulette for now.
none: "",
qa: "~QA"
}.freeze
CATEGORIES = {
%r{\Adoc/} => :none, # To reinstate roulette for documentation, set to `:docs`.
%r{\A(CONTRIBUTING|LICENSE|MAINTENANCE|PHILOSOPHY|PROCESS|README)(\.md)?\z} => :none, # To reinstate roulette for documentation, set to `:docs`.
%r{\A(ee/)?app/(assets|views)/} => :frontend,
%r{\A(ee/)?public/} => :frontend,
%r{\A(ee/)?spec/(javascripts|frontend)/} => :frontend,
%r{\A(ee/)?vendor/assets/} => :frontend,
%r{\Ascripts/frontend/} => :frontend,
%r{(\A|/)(
\.babelrc |
\.eslintignore |
\.eslintrc(\.yml)? |
\.nvmrc |
\.prettierignore |
\.prettierrc |
\.scss-lint.yml |
\.stylelintrc |
\.haml-lint.yml |
\.haml-lint_todo.yml |
babel\.config\.js |
jest\.config\.js |
karma\.config\.js |
webpack\.config\.js |
package\.json |
yarn\.lock
)\z}x => :frontend,
%r{\A(ee/)?app/(?!assets|views)[^/]+} => :backend,
%r{\A(ee/)?(bin|config|danger|generator_templates|lib|rubocop|scripts)/} => :backend,
%r{\A(ee/)?spec/(?!javascripts|frontend)[^/]+} => :backend,
%r{\A(ee/)?vendor/(?!assets)[^/]+} => :backend,
%r{\A(ee/)?vendor/(languages\.yml|licenses\.csv)\z} => :backend,
%r{\A(Dangerfile|Gemfile|Gemfile.lock|Procfile|Rakefile|\.gitlab-ci\.yml)\z} => :backend,
%r{\A[A-Z_]+_VERSION\z} => :backend,
%r{\A(ee/)?db/} => :database,
%r{\A(ee/)?qa/} => :qa,
# Files that don't fit into any category are marked with :none
%r{\A(ee/)?changelogs/} => :none,
%r{\Alocale/gitlab\.pot\z} => :none,
# Fallbacks in case the above patterns miss anything
%r{\.rb\z} => :backend,
%r{\.(md|txt)\z} => :none, # To reinstate roulette for documentation, set to `:docs`.
%r{\.js\z} => :frontend
}.freeze
end
end
end
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