class Commit extend ActiveModel::Naming include ActiveModel::Conversion include Mentionable include Participable include Referable include StaticModel attr_mentionable :safe_message participant :author, :committer, :notes, :mentioned_users attr_accessor :project # Safe amount of changes (files and lines) in one commit to render # Used to prevent 500 error on huge commits by suppressing diff # # User can force display of diff above this size DIFF_SAFE_FILES = 100 unless defined?(DIFF_SAFE_FILES) DIFF_SAFE_LINES = 5000 unless defined?(DIFF_SAFE_LINES) # Commits above this size will not be rendered in HTML DIFF_HARD_LIMIT_FILES = 1000 unless defined?(DIFF_HARD_LIMIT_FILES) DIFF_HARD_LIMIT_LINES = 50000 unless defined?(DIFF_HARD_LIMIT_LINES) class << self def decorate(commits, project) commits.map do |commit| if commit.kind_of?(Commit) commit else self.new(commit, project) end end end # Calculate number of lines to render for diffs def diff_line_count(diffs) diffs.reduce(0) { |sum, d| sum + d.diff.lines.count } end # Truncate sha to 8 characters def truncate_sha(sha) sha[0..7] end end attr_accessor :raw def initialize(raw_commit, project) raise "Nil as raw commit passed" unless raw_commit @raw = raw_commit @project = project end def id @raw.id end def ==(other) (self.class === other) && (raw == other.raw) end def self.reference_prefix '@' end # Pattern used to extract commit references from text # # The SHA can be between 6 and 40 hex characters. # # This pattern supports cross-project references. def self.reference_pattern %r{ (?:#{Project.reference_pattern}#{reference_prefix})? (?\h{6,40}) }x end def to_reference(from_project = nil) if cross_project_reference?(from_project) "#{project.to_reference}@#{id}" else id end end def diff_line_count @diff_line_count ||= Commit::diff_line_count(self.diffs) @diff_line_count end # Returns a string describing the commit for use in a link title # # Example # # "Commit: Alex Denisov - Project git clone panel" def link_title "Commit: #{author_name} - #{title}" end # Returns the commits title. # # Usually, the commit title is the first line of the commit message. # In case this first line is longer than 100 characters, it is cut off # after 80 characters and ellipses (`&hellp;`) are appended. def title title = safe_message return no_commit_message if title.blank? title_end = title.index("\n") if (!title_end && title.length > 100) || (title_end && title_end > 100) title[0..79] << "…" else title.split("\n", 2).first end end # Returns the commits description # # cut off, ellipses (`&hellp;`) are prepended to the commit message. def description title_end = safe_message.index("\n") @description ||= if (!title_end && safe_message.length > 100) || (title_end && title_end > 100) "…" << safe_message[80..-1] else safe_message.split("\n", 2)[1].try(:chomp) end end def description? description.present? end def hook_attrs path_with_namespace = project.path_with_namespace { id: id, message: safe_message, timestamp: committed_date.xmlschema, url: "#{Gitlab.config.gitlab.url}/#{path_with_namespace}/commit/#{id}", author: { name: author_name, email: author_email } } end # Discover issues should be closed when this commit is pushed to a project's # default branch. def closes_issues(current_user = self.committer) Gitlab::ClosingIssueExtractor.new(project, current_user).closed_by_message(safe_message) end def author @author ||= User.find_by_any_email(author_email) end def committer @committer ||= User.find_by_any_email(committer_email) end def notes project.notes.for_commit_id(self.id) end def method_missing(m, *args, &block) @raw.send(m, *args, &block) end def respond_to_missing?(method, include_private = false) @raw.respond_to?(method, include_private) || super end # Truncate sha to 8 characters def short_id @raw.short_id(7) end def parents @parents ||= Commit.decorate(super, project) end end