class Commit extend ActiveModel::Naming include ActiveModel::Conversion include Participable include Mentionable include Referable include StaticModel attr_mentionable :safe_message, pipeline: :single_line participant :author, :committer, :notes attr_accessor :project DIFF_SAFE_LINES = Gitlab::Git::DiffCollection::DEFAULT_LIMITS[:max_lines] # 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, 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 + Gitlab::Git::Util.count_lines(d.diff) } end # Truncate sha to 8 characters def truncate_sha(sha) sha[0..7] end def max_diff_options { max_files: DIFF_HARD_LIMIT_FILES, max_lines: DIFF_HARD_LIMIT_LINES, } 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 7 and 40 hex characters. # # This pattern supports cross-project references. def self.reference_pattern @reference_pattern ||= %r{ (?:#{Project.reference_pattern}#{reference_prefix})? (?\h{7,40}) }x end def self.link_reference_pattern @link_reference_pattern ||= super("commit", /(?\h{7,40})/) end def to_reference(from_project = nil) if cross_project_reference?(from_project) project.to_reference + self.class.reference_prefix + self.id else self.id end end def reference_link_text(from_project = nil) if cross_project_reference?(from_project) project.to_reference + self.class.reference_prefix + self.short_id else self.short_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(with_changed_files: false) data = { id: id, message: safe_message, timestamp: committed_date.xmlschema, url: Gitlab::UrlBuilder.build(self), author: { name: author_name, email: author_email } } if with_changed_files data.merge!(repo_changes) end data 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.downcase) end def committer @committer ||= User.find_by_any_email(committer_email.downcase) end def parents @parents ||= parent_ids.map { |id| project.commit(id) } end def parent @parent ||= project.commit(self.parent_id) if self.parent_id 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 ci_commits @ci_commits ||= project.ci_commits.where(sha: sha) end def status return @status if defined?(@status) @status ||= ci_commits.status end def revert_branch_name "revert-#{short_id}" end def cherry_pick_branch_name project.repository.next_branch("cherry-pick-#{short_id}", mild: true) end def revert_description if merged_merge_request "This reverts merge request #{merged_merge_request.to_reference}" else "This reverts commit #{sha}" end end def revert_message %Q{Revert "#{title.strip}"\n\n#{revert_description}} end def reverts_commit?(commit) description? && description.include?(commit.revert_description) end def merge_commit? parents.size > 1 end def merged_merge_request return @merged_merge_request if defined?(@merged_merge_request) @merged_merge_request = project.merge_requests.find_by(merge_commit_sha: id) if merge_commit? end def has_been_reverted?(current_user = nil, noteable = self) Gitlab::ReferenceExtractor.lazily do noteable.notes.system.flat_map do |note| note.all_references(current_user).commits end end.any? { |commit_ref| commit_ref.reverts_commit?(self) } end def change_type_title merged_merge_request ? 'merge request' : 'commit' end private def repo_changes changes = { added: [], modified: [], removed: [] } diffs.each do |diff| if diff.deleted_file changes[:removed] << diff.old_path elsif diff.renamed_file || diff.new_file changes[:added] << diff.new_path else changes[:modified] << diff.new_path end end changes end end