require Rails.root.join("app/models/commit") class MergeRequest < ActiveRecord::Base include IssueCommonality include Votes attr_accessible :title, :assignee_id, :closed, :target_branch, :source_branch, :author_id_of_changes attr_accessor :should_remove_source_branch BROKEN_DIFF = "--broken-diff" UNCHECKED = 1 CAN_BE_MERGED = 2 CANNOT_BE_MERGED = 3 serialize :st_commits serialize :st_diffs validates :source_branch, presence: true validates :target_branch, presence: true validate :validate_branches def self.find_all_by_branch(branch_name) where("source_branch like :branch or target_branch like :branch", branch: branch_name) end def human_state states = { CAN_BE_MERGED => "can_be_merged", CANNOT_BE_MERGED => "cannot_be_merged", UNCHECKED => "unchecked" } states[self.state] end def validate_branches if target_branch == source_branch errors.add :base, "You can not use same branch for source and target branches" end end def reload_code self.reloaded_commits self.reloaded_diffs end def unchecked? state == UNCHECKED end def mark_as_unchecked self.state = UNCHECKED self.save end def can_be_merged? state == CAN_BE_MERGED end def check_if_can_be_merged self.state = if Gitlab::Merge.new(self, self.author).can_be_merged? CAN_BE_MERGED else CANNOT_BE_MERGED end self.save end def diffs st_diffs || [] end def reloaded_diffs if open? && 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 merged? merged && merge_event 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 st_commits || [] end def probably_merged? unmerged_commits.empty? && commits.any? && open? end def open? !closed end def mark_as_merged! self.merged = true self.closed = true save end def mark_as_unmergable self.update_attributes state: CANNOT_BE_MERGED end def reloaded_commits if open? && unmerged_commits.any? self.st_commits = unmerged_commits save end commits end def unmerged_commits self.project.repo. commits_between(self.target_branch, self.source_branch). map {|c| Commit.new(c)}. sort_by(&:created_at). reverse end def merge!(user_id) self.mark_as_merged! Event.create( project: self.project, action: Event::Merged, target_id: self.id, target_type: "MergeRequest", author_id: user_id ) end def automerge!(current_user) if Gitlab::Merge.new(self, current_user).merge && self.unmerged_commits.empty? self.merge!(current_user.id) true end rescue self.mark_as_unmergable false end def to_raw FileUtils.mkdir_p(Rails.root.join("tmp", "patches")) patch_path = Rails.root.join("tmp", "patches", "merge_request_#{self.id}.patch") from = commits.last.id to = source_branch project.repo.git.run('', "format-patch" , " > #{patch_path.to_s}", {}, ["#{from}..#{to}", "--stdout"]) patch_path end end # == 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) # closed :boolean default(FALSE), not null # created_at :datetime not null # updated_at :datetime not null # st_commits :text(4294967295 # st_diffs :text(4294967295 # merged :boolean default(FALSE), not null # state :integer default(1), not null #