class Commit include ActiveModel::Conversion include StaticModel extend ActiveModel::Naming include Mentionable attr_mentionable :safe_message # 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 DIFF_SAFE_LINES = 5000 # Commits above this size will not be rendered in HTML DIFF_HARD_LIMIT_FILES = 1000 DIFF_HARD_LIMIT_LINES = 50000 class << self def decorate(commits) commits.map { |c| self.new(c) } 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 def diff_suppress?(diffs, line_count = nil) # optimize - check file count first return true if diffs.size > DIFF_SAFE_FILES line_count ||= Commit::diff_line_count(diffs) line_count > DIFF_SAFE_LINES end def diff_force_suppress?(diffs, line_count = nil) # optimize - check file count first return true if diffs.size > DIFF_HARD_LIMIT_FILES line_count ||= Commit::diff_line_count(diffs) line_count > DIFF_HARD_LIMIT_LINES end end attr_accessor :raw def initialize(raw_commit) raise "Nil as raw commit passed" unless raw_commit @raw = raw_commit end def id @raw.id end def diff_line_count @diff_line_count ||= Commit::diff_line_count(self.diffs) @diff_line_count end def diff_suppress? Commit::diff_suppress?(self.diffs, diff_line_count) end def diff_force_suppress? Commit::diff_force_suppress?(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] << "…".html_safe 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) "…".html_safe << safe_message[80..-1] else safe_message.split(/\n/, 2)[1].try(:chomp) end end def description? description.present? end # Regular expression that identifies commit message clauses that trigger issue closing. def issue_closing_regex @issue_closing_regex ||= Regexp.new(Gitlab.config.gitlab.issue_closing_pattern) end # Discover issues should be closed when this commit is pushed to a project's # default branch. def closes_issues project md = issue_closing_regex.match(safe_message) if md extractor = Gitlab::ReferenceExtractor.new extractor.analyze(md[0]) extractor.issues_for(project) else [] end end # Mentionable override. def gfm_reference "commit #{sha[0..5]}" end def method_missing(m, *args, &block) @raw.send(m, *args, &block) end def respond_to?(method) return true if @raw.respond_to?(method) super end end