# == Schema Information # # Table name: merge_requests # # id :integer not null, primary key # target_branch :string(255) not null # source_branch :string(255) not null # project_id :integer not null # author_id :integer # assignee_id :integer # title :string(255) # created_at :datetime not null # updated_at :datetime not null # st_commits :text(2147483647) # st_diffs :text(2147483647) # milestone_id :integer # state :string(255) # merge_status :string(255) # require Rails.root.join("app/models/commit") require Rails.root.join("lib/static_model") class MergeRequest < ActiveRecord::Base include Issuable BROKEN_DIFF = "--broken-diff" attr_accessible :title, :assignee_id, :target_branch, :source_branch, :milestone_id, :author_id_of_changes, :state_event attr_accessor :should_remove_source_branch state_machine :state, initial: :opened do event :close do transition [:reopened, :opened] => :closed end event :merge do transition [:reopened, :opened] => :merged end event :reopen do transition closed: :reopened end state :opened state :reopened state :closed state :merged end state_machine :merge_status, initial: :unchecked do event :mark_as_unchecked do transition [:can_be_merged, :cannot_be_merged] => :unchecked end event :mark_as_mergeable do transition unchecked: :can_be_merged end event :mark_as_unmergeable do transition unchecked: :cannot_be_merged end state :unchecked state :can_be_merged state :cannot_be_merged end serialize :st_commits serialize :st_diffs validates :source_branch, presence: true validates :target_branch, presence: true validate :validate_branches scope :merged, -> { with_state(:merged) } scope :by_branch, ->(branch_name) { where("source_branch LIKE :branch OR target_branch LIKE :branch", branch: branch_name) } scope :cared, ->(user) { where('assignee_id = :user OR author_id = :user', user: user.id) } scope :by_milestone, ->(milestone) { where(milestone_id: milestone) } # Closed scope for merge request should return # both merged and closed mr's scope :closed, -> { with_states(:closed, :merged) } def validate_branches if target_branch == source_branch errors.add :branch_conflict, "You can not use same branch for source and target branches" end end def reload_code self.reloaded_commits self.reloaded_diffs end def check_if_can_be_merged if Gitlab::Satellite::MergeAction.new(self.author, self).can_be_merged? mark_as_mergeable else mark_as_unmergeable end end def diffs st_diffs || [] end def reloaded_diffs if opened? && unmerged_diffs.any? self.st_diffs = unmerged_diffs self.save end rescue Grit::Git::GitTimeout self.st_diffs = [BROKEN_DIFF] self.save end def broken_diffs? diffs == [BROKEN_DIFF] end def valid_diffs? !broken_diffs? end def unmerged_diffs # Only show what is new in the source branch compared to the target branch, not the other way around. # The linex below with merge_base is equivalent to diff with three dots (git diff branch1...branch2) # From the git documentation: "git diff A...B" is equivalent to "git diff $(git-merge-base A B) B" common_commit = project.repo.git.native(:merge_base, {}, [target_branch, source_branch]).strip diffs = project.repo.diff(common_commit, source_branch) end def last_commit commits.first end def merge_event self.project.events.where(target_id: self.id, target_type: "MergeRequest", action: Event::MERGED).last end def closed_event self.project.events.where(target_id: self.id, target_type: "MergeRequest", action: Event::CLOSED).last end def commits load_commits(st_commits || []) end def probably_merged? unmerged_commits.empty? && commits.any? && opened? end def reloaded_commits if opened? && unmerged_commits.any? self.st_commits = dump_commits(unmerged_commits) save end commits end def unmerged_commits self.project.repository. commits_between(self.target_branch, self.source_branch). sort_by(&:created_at). reverse end def merge!(user_id) self.author_id_of_changes = user_id self.merge end def automerge!(current_user) if Gitlab::Satellite::MergeAction.new(current_user, self).merge! && self.unmerged_commits.empty? self.merge!(current_user.id) true end rescue mark_as_unmergeable false end def mr_and_commit_notes commit_ids = commits.map(&:id) Note.where("(noteable_type = 'MergeRequest' AND noteable_id = :mr_id) OR (noteable_type = 'Commit' AND commit_id IN (:commit_ids))", mr_id: id, commit_ids: commit_ids) end # Returns the raw diff for this merge request # # see "git diff" def to_diff project.repo.git.native(:diff, {timeout: 30, raise: true}, "#{target_branch}...#{source_branch}") end # Returns the commit as a series of email patches. # # see "git format-patch" def to_patch project.repo.git.format_patch({timeout: 30, raise: true, stdout: true}, "#{target_branch}..#{source_branch}") end def last_commit_short_sha @last_commit_short_sha ||= last_commit.sha[0..10] end private def dump_commits(commits) commits.map(&:to_hash) end def load_commits(array) array.map { |hash| Commit.new(Gitlab::Git::Commit.new(hash)) } end end