612 lines
15 KiB
Ruby
612 lines
15 KiB
Ruby
# frozen_string_literal: true
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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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extend Gitlab::Utils::Override
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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 Presentable
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include ::Gitlab::Utils::StrongMemoize
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include ActsAsPaginatedDiff
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include CacheMarkdownField
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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 :redacted_description_html
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attr_accessor :redacted_title_html
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attr_accessor :redacted_full_title_html
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attr_reader :container
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delegate :repository, to: :container
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delegate :project, to: :repository, allow_nil: true
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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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EXACT_COMMIT_SHA_PATTERN = /\A#{COMMIT_SHA_PATTERN}\z/.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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DEFAULT_MAX_DIFF_LINES_SETTING = 50_000
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DEFAULT_MAX_DIFF_FILES_SETTING = 1_000
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MAX_DIFF_LINES_SETTING_UPPER_BOUND = 100_000
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MAX_DIFF_FILES_SETTING_UPPER_BOUND = 3_000
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DIFF_SAFE_LIMIT_FACTOR = 10
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cache_markdown_field :title, pipeline: :single_line
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cache_markdown_field :full_title, pipeline: :single_line, limit: 1.kilobyte
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cache_markdown_field :description, pipeline: :commit_description, limit: 1.megabyte
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# Share the cache used by the markdown fields
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attr_mentionable :title, pipeline: :single_line
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attr_mentionable :description, pipeline: :commit_description, limit: 1.megabyte
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class << self
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def decorate(commits, container)
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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, container)
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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 = operands.first.public_send(order_by) # rubocop:disable GitlabSecurity/PublicSend
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attr2 = operands.second.public_send(order_by) # rubocop:disable GitlabSecurity/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 diff_max_files
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Gitlab::CurrentSettings.diff_max_files
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end
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def diff_max_lines
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Gitlab::CurrentSettings.diff_max_lines
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end
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def max_diff_options
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{
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max_files: diff_max_files,
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max_lines: diff_max_lines
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}
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end
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def diff_safe_max_files
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diff_max_files / DIFF_SAFE_LIMIT_FACTOR
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end
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def diff_safe_max_lines
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diff_max_lines / DIFF_SAFE_LIMIT_FACTOR
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end
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def from_hash(hash, container)
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raw_commit = Gitlab::Git::Commit.new(container.repository.raw, hash)
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new(raw_commit, container)
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end
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def valid_hash?(key)
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!!(EXACT_COMMIT_SHA_PATTERN =~ key)
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end
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def lazy(container, oid)
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BatchLoader.for({ container: container, oid: oid }).batch do |items, loader|
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items_by_container = items.group_by { |i| i[:container] }
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items_by_container.each do |container, commit_ids|
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oids = commit_ids.map { |i| i[:oid] }
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container.repository.commits_by(oids: oids).each do |commit|
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loader.call({ container: commit.container, 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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def build_from_sidekiq_hash(project, hash)
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hash = hash.dup
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date_suffix = '_date'
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# When processing Sidekiq payloads various timestamps are stored as Strings.
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# Commit in turn expects Time-like instances upon input, so we have to
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# manually parse these values.
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hash.each do |key, value|
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if key.to_s.end_with?(date_suffix) && value.is_a?(String)
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hash[key] = Time.zone.parse(value)
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end
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end
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from_hash(hash, 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, container)
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raise "Nil as raw commit passed" unless raw_commit
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@raw = raw_commit
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@container = container
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end
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delegate \
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:pipelines,
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:last_pipeline,
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:lazy_latest_pipeline,
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:latest_pipeline,
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:latest_pipeline_for_project,
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:set_latest_pipeline_for_ref,
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:status,
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to: :with_pipeline
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def with_pipeline
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@with_pipeline ||= Ci::CommitWithPipeline.new(self)
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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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def self.reference_valid?(reference)
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!!(reference =~ EXACT_COMMIT_SHA_PATTERN)
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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}))?/o)
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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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# Use three dots instead of the ellipsis Unicode character because
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# some clients show the raw Unicode value in the merge commit.
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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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def author_full_text
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return unless author_name && author_email
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strong_memoize(:author_full_text) do
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"#{author_name} <#{author_email}>"
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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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return no_commit_message if safe_message.blank?
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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 timestamp
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committed_date.xmlschema
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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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title: title,
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timestamp: timestamp,
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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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def lazy_author
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BatchLoader.for(author_email.downcase).batch do |emails, loader|
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users = User.by_any_email(emails, confirmed: true).includes(:emails)
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emails.each do |email|
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user = users.find { |u| u.any_email?(email) }
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loader.call(email, user)
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end
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end
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end
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def author
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strong_memoize(:author) do
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lazy_author&.itself
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end
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end
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request_cache(:author) { author_email.downcase }
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def committer(confirmed: true)
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@committer ||= User.find_by_any_email(committer_email, confirmed: confirmed)
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end
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def parents
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@parents ||= parent_ids.map { |oid| Commit.lazy(container, oid) }
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end
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def parent
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strong_memoize(:parent) do
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container.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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container.notes.for_commit_id(self.id)
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end
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def user_mentions
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user_mention_class.where(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 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 has_signature?
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signature_type && signature_type != :NONE
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end
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def raw_signature_type
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strong_memoize(:raw_signature_type) do
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next unless @raw.instance_of?(Gitlab::Git::Commit)
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if raw_commit_from_rugged? && gpg_commit.signature_text.present?
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:PGP
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elsif defined? @raw.raw_commit.signature_type
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@raw.raw_commit.signature_type
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end
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end
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end
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def signature_type
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@signature_type ||= raw_signature_type || :NONE
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end
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def signature
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strong_memoize(:signature) do
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case signature_type
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when :PGP
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gpg_commit.signature
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when :X509
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Gitlab::X509::Commit.new(self).signature
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else
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nil
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end
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end
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end
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def raw_commit_from_rugged?
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@raw.raw_commit.is_a?(Rugged::Commit)
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end
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def gpg_commit
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@gpg_commit ||= Gitlab::Gpg::Commit.new(self)
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end
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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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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 << ""
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commits_in_merge_request.reverse_each do |commit_in_merge|
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message_body << "#{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.join("\n")
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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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parent_ids.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 = Gitlab::ReferenceExtractor.new(project, 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]), container)
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blob.image? || blob.video? || blob.audio? ? :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 to_ability_name
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model_name.singular
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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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# We are continuing to support `(fixup!|squash!)` here as it is the prefix
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# added by `git commit --fixup` which is used by some community members.
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# https://gitlab.com/gitlab-org/gitlab/-/issues/342937#note_892065311
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#
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DRAFT_REGEX = /\A\s*#{Gitlab::Regex.merge_request_draft}|(fixup!|squash!)\s/.freeze
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def draft?
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!!(title =~ DRAFT_REGEX)
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end
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alias_method :work_in_progress?, :draft?
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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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def cache_key
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"commit:#{sha}"
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end
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def expire_note_etag_cache
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super
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expire_note_etag_cache_for_related_mrs
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end
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def readable_by?(user)
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Ability.allowed?(user, :read_commit, self)
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end
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override :user_mention_class
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def user_mention_class
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CommitUserMention
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end
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override :user_mention_identifier
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def user_mention_identifier
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{
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commit_id: id,
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note_id: nil
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}
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end
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private
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def expire_note_etag_cache_for_related_mrs
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MergeRequest.includes(target_project: :namespace).by_commit_sha(id).find_each do |mr|
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mr.expire_note_etag_cache
|
|
end
|
|
end
|
|
|
|
def commit_reference(from, referable_commit_id, full: false)
|
|
base = container.to_reference_base(from, full: full)
|
|
|
|
if base.present?
|
|
"#{base}#{self.class.reference_prefix}#{referable_commit_id}"
|
|
else
|
|
referable_commit_id
|
|
end
|
|
end
|
|
|
|
def repo_changes
|
|
changes = { added: [], modified: [], removed: [] }
|
|
|
|
raw_deltas.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
|
|
|
|
def merged_merge_request_no_cache(user)
|
|
MergeRequestsFinder.new(user, project_id: project_id).find_by(merge_commit_sha: id) if merge_commit?
|
|
end
|
|
end
|