debian-mirror-gitlab/danger/plugins/helper.rb

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2018-12-13 13:39:08 +05:30
# frozen_string_literal: true
module Danger
# Common helper functions for our danger scripts
# If we find ourselves repeating code in our danger files, we might as well put them in here.
class Helper < Plugin
# 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
end
end