501 lines
12 KiB
Ruby
501 lines
12 KiB
Ruby
# coding: utf-8
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class Commit
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extend ActiveModel::Naming
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extend Gitlab::Cache::RequestCache
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include ActiveModel::Conversion
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include Noteable
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include Participable
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include Mentionable
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include Referable
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include StaticModel
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include ::Gitlab::Utils::StrongMemoize
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attr_mentionable :safe_message, pipeline: :single_line
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participant :author
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participant :committer
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participant :notes_with_associations
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attr_accessor :project, :author
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attr_accessor :redacted_description_html
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attr_accessor :redacted_title_html
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attr_reader :gpg_commit
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DIFF_SAFE_LINES = Gitlab::Git::DiffCollection::DEFAULT_LIMITS[:max_lines]
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# Commits above this size will not be rendered in HTML
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DIFF_HARD_LIMIT_FILES = 1000
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DIFF_HARD_LIMIT_LINES = 50000
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MIN_SHA_LENGTH = Gitlab::Git::Commit::MIN_SHA_LENGTH
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COMMIT_SHA_PATTERN = /\h{#{MIN_SHA_LENGTH},40}/.freeze
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# Used by GFM to match and present link extensions on node texts and hrefs.
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LINK_EXTENSION_PATTERN = /(patch)/.freeze
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def banzai_render_context(field)
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pipeline = field == :description ? :commit_description : :single_line
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context = { pipeline: pipeline, project: self.project }
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context[:author] = self.author if self.author
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context
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end
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class << self
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def decorate(commits, project)
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commits.map do |commit|
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if commit.is_a?(Commit)
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commit
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else
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self.new(commit, project)
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end
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end
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end
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# Calculate number of lines to render for diffs
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def diff_line_count(diffs)
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diffs.reduce(0) { |sum, d| sum + Gitlab::Git::Util.count_lines(d.diff) }
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end
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def order_by(collection:, order_by:, sort:)
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return collection unless %w[email name commits].include?(order_by)
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return collection unless %w[asc desc].include?(sort)
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collection.sort do |a, b|
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operands = [a, b].tap { |o| o.reverse! if sort == 'desc' }
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attr1, attr2 = operands.first.public_send(order_by), operands.second.public_send(order_by) # rubocop:disable PublicSend
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# use case insensitive comparison for string values
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order_by.in?(%w[email name]) ? attr1.casecmp(attr2) : attr1 <=> attr2
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end
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end
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# Truncate sha to 8 characters
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def truncate_sha(sha)
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sha[0..MIN_SHA_LENGTH]
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end
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def max_diff_options
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{
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max_files: DIFF_HARD_LIMIT_FILES,
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max_lines: DIFF_HARD_LIMIT_LINES
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}
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end
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def from_hash(hash, project)
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raw_commit = Gitlab::Git::Commit.new(project.repository.raw, hash)
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new(raw_commit, project)
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end
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def valid_hash?(key)
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!!(/\A#{COMMIT_SHA_PATTERN}\z/ =~ key)
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end
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def lazy(project, oid)
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BatchLoader.for({ project: project, oid: oid }).batch do |items, loader|
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items_by_project = items.group_by { |i| i[:project] }
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items_by_project.each do |project, commit_ids|
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oids = commit_ids.map { |i| i[:oid] }
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project.repository.commits_by(oids: oids).each do |commit|
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loader.call({ project: commit.project, oid: commit.id }, commit) if commit
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end
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end
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end
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end
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def parent_class
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::Project
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end
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end
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attr_accessor :raw
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def initialize(raw_commit, project)
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raise "Nil as raw commit passed" unless raw_commit
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@raw = raw_commit
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@project = project
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@statuses = {}
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@gpg_commit = Gitlab::Gpg::Commit.new(self) if project
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end
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def id
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raw.id
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end
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def project_id
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project.id
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end
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def ==(other)
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other.is_a?(self.class) && raw == other.raw
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end
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def self.reference_prefix
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'@'
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end
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# Pattern used to extract commit references from text
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#
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# This pattern supports cross-project references.
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def self.reference_pattern
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@reference_pattern ||= %r{
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(?:#{Project.reference_pattern}#{reference_prefix})?
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(?<commit>#{COMMIT_SHA_PATTERN})
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}x
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end
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def self.link_reference_pattern
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@link_reference_pattern ||=
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super("commit", /(?<commit>#{COMMIT_SHA_PATTERN})?(\.(?<extension>#{LINK_EXTENSION_PATTERN}))?/)
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end
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def to_reference(from = nil, full: false)
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commit_reference(from, id, full: full)
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end
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def reference_link_text(from = nil, full: false)
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commit_reference(from, short_id, full: full)
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end
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def diff_line_count
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@diff_line_count ||= Commit.diff_line_count(raw_diffs)
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@diff_line_count
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end
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# Returns the commits title.
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#
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# Usually, the commit title is the first line of the commit message.
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# In case this first line is longer than 100 characters, it is cut off
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# after 80 characters + `...`
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def title
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return full_title if full_title.length < 100
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full_title.truncate(81, separator: ' ', omission: '…')
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end
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# Returns the full commits title
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def full_title
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@full_title ||=
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if safe_message.blank?
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no_commit_message
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else
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safe_message.split(/[\r\n]/, 2).first
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end
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end
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# Returns full commit message if title is truncated (greater than 99 characters)
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# otherwise returns commit message without first line
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def description
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return safe_message if full_title.length >= 100
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safe_message.split("\n", 2)[1].try(:chomp)
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end
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def description?
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description.present?
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end
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def hook_attrs(with_changed_files: false)
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data = {
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id: id,
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message: safe_message,
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timestamp: committed_date.xmlschema,
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url: Gitlab::UrlBuilder.build(self),
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author: {
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name: author_name,
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email: author_email
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}
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}
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if with_changed_files
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data.merge!(repo_changes)
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end
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data
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end
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# Discover issues should be closed when this commit is pushed to a project's
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# default branch.
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def closes_issues(current_user = self.committer)
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Gitlab::ClosingIssueExtractor.new(project, current_user).closed_by_message(safe_message)
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end
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def lazy_author
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BatchLoader.for(author_email.downcase).batch do |emails, loader|
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# A Hash that maps user Emails to the corresponding User objects. The
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# Emails at this point are the _primary_ Emails of the Users.
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users_for_emails = User
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.by_any_email(emails)
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.each_with_object({}) { |user, hash| hash[user.email] = user }
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users_for_ids = users_for_emails
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.values
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.each_with_object({}) { |user, hash| hash[user.id] = user }
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# Some commits may have used an alternative Email address. In this case we
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# need to query the "emails" table to map those addresses to User objects.
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Email
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.where(email: emails - users_for_emails.keys)
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.pluck(:email, :user_id)
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.each { |(email, id)| users_for_emails[email] = users_for_ids[id] }
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users_for_emails.each { |email, user| loader.call(email, user) }
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end
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end
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def author
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# We use __sync so that we get the actual objects back (including an actual
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# nil), instead of a wrapper, as returning a wrapped nil breaks a lot of
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# code.
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lazy_author.__sync
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end
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request_cache(:author) { author_email.downcase }
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def committer
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@committer ||= User.find_by_any_email(committer_email.downcase)
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end
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def parents
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@parents ||= parent_ids.map { |oid| Commit.lazy(project, oid) }
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end
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def parent
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strong_memoize(:parent) do
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project.commit_by(oid: self.parent_id) if self.parent_id
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end
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end
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def notes
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project.notes.for_commit_id(self.id)
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end
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def discussion_notes
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notes.non_diff_notes
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end
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def notes_with_associations
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notes.includes(:author, :award_emoji)
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end
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def merge_requests
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@merge_requests ||= project.merge_requests.by_commit_sha(sha)
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end
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def method_missing(method, *args, &block)
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@raw.__send__(method, *args, &block) # rubocop:disable GitlabSecurity/PublicSend
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end
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def respond_to_missing?(method, include_private = false)
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@raw.respond_to?(method, include_private) || super
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end
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def short_id
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@raw.short_id(MIN_SHA_LENGTH)
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end
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def diff_refs
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Gitlab::Diff::DiffRefs.new(
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base_sha: self.parent_id || Gitlab::Git::BLANK_SHA,
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head_sha: self.sha
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)
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end
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def pipelines
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project.pipelines.where(sha: sha)
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end
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def last_pipeline
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@last_pipeline ||= pipelines.last
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end
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def status(ref = nil)
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return @statuses[ref] if @statuses.key?(ref)
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@statuses[ref] = project.pipelines.latest_status_per_commit(id, ref)[id]
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end
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def set_status_for_ref(ref, status)
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@statuses[ref] = status
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end
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def signature
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return @signature if defined?(@signature)
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@signature = gpg_commit.signature
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end
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delegate :has_signature?, to: :gpg_commit
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def revert_branch_name
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"revert-#{short_id}"
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end
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def cherry_pick_branch_name
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project.repository.next_branch("cherry-pick-#{short_id}", mild: true)
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end
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def cherry_pick_description(user)
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message_body = "(cherry picked from commit #{sha})"
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if merged_merge_request?(user)
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commits_in_merge_request = merged_merge_request(user).commits
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if commits_in_merge_request.present?
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message_body << "\n"
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commits_in_merge_request.reverse.each do |commit_in_merge|
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message_body << "\n#{commit_in_merge.short_id} #{commit_in_merge.title}"
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end
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end
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end
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message_body
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end
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def cherry_pick_message(user)
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%Q{#{message}\n\n#{cherry_pick_description(user)}}
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end
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def revert_description(user)
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if merged_merge_request?(user)
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"This reverts merge request #{merged_merge_request(user).to_reference}"
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else
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"This reverts commit #{sha}"
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end
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end
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def revert_message(user)
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%Q{Revert "#{title.strip}"\n\n#{revert_description(user)}}
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end
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def reverts_commit?(commit, user)
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description? && description.include?(commit.revert_description(user))
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end
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def merge_commit?
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parents.size > 1
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end
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def merged_merge_request(current_user)
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# Memoize with per-user access check
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@merged_merge_request_hash ||= Hash.new do |hash, user|
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hash[user] = merged_merge_request_no_cache(user)
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end
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@merged_merge_request_hash[current_user]
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end
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def has_been_reverted?(current_user, notes_association = nil)
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ext = all_references(current_user)
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notes_association ||= notes_with_associations
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notes_association.system.each do |note|
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note.all_references(current_user, extractor: ext)
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end
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ext.commits.any? { |commit_ref| commit_ref.reverts_commit?(self, current_user) }
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end
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def change_type_title(user)
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merged_merge_request?(user) ? 'merge request' : 'commit'
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end
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# Get the URI type of the given path
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#
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# Used to build URLs to files in the repository in GFM.
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#
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# path - String path to check
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#
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# Examples:
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#
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# uri_type('doc/README.md') # => :blob
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# uri_type('doc/logo.png') # => :raw
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# uri_type('doc/api') # => :tree
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# uri_type('not/found') # => nil
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#
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# Returns a symbol
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def uri_type(path)
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entry = @raw.tree_entry(path)
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return unless entry
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if entry[:type] == :blob
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blob = ::Blob.decorate(Gitlab::Git::Blob.new(name: entry[:name]), @project)
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blob.image? || blob.video? ? :raw : :blob
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else
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entry[:type]
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end
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end
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def raw_diffs(*args)
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raw.diffs(*args)
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end
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def raw_deltas
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@deltas ||= raw.deltas
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end
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def diffs(diff_options = {})
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Gitlab::Diff::FileCollection::Commit.new(self, diff_options: diff_options)
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end
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def persisted?
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true
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end
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def touch
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# no-op but needs to be defined since #persisted? is defined
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end
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def touch_later
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# No-op.
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# This method is called by ActiveRecord.
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# We don't want to do anything for `Commit` model, so this is empty.
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end
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WIP_REGEX = /\A\s*(((?i)(\[WIP\]|WIP:|WIP)\s|WIP$))|(fixup!|squash!)\s/.freeze
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def work_in_progress?
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!!(title =~ WIP_REGEX)
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end
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def merged_merge_request?(user)
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!!merged_merge_request(user)
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end
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private
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def commit_reference(from, referable_commit_id, full: false)
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reference = project.to_reference(from, full: full)
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if reference.present?
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"#{reference}#{self.class.reference_prefix}#{referable_commit_id}"
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else
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referable_commit_id
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end
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end
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def repo_changes
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changes = { added: [], modified: [], removed: [] }
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raw_deltas.each do |diff|
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if diff.deleted_file
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changes[:removed] << diff.old_path
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elsif diff.renamed_file || diff.new_file
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changes[:added] << diff.new_path
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else
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changes[:modified] << diff.new_path
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end
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end
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changes
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end
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def merged_merge_request_no_cache(user)
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MergeRequestsFinder.new(user, project_id: project.id).find_by(merge_commit_sha: id) if merge_commit?
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end
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end
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