class GitPushService < BaseService attr_accessor :push_data, :push_commits include Gitlab::CurrentSettings include Gitlab::Access # This method will be called after each git update # and only if the provided user and project are present in GitLab. # # All callbacks for post receive action should be placed here. # # Next, this method: # 1. Creates the push event # 2. Updates merge requests # 3. Recognizes cross-references from commit messages # 4. Executes the project's webhooks # 5. Executes the project's services # 6. Checks if the project's main language has changed # def execute @project.repository.after_push_commit(branch_name, params[:newrev]) if push_remove_branch? @project.repository.after_remove_branch @push_commits = [] elsif push_to_new_branch? @project.repository.after_create_branch # Re-find the pushed commits. if is_default_branch? # Initial push to the default branch. Take the full history of that branch as "newly pushed". process_default_branch else # Use the pushed commits that aren't reachable by the default branch # as a heuristic. This may include more commits than are actually pushed, but # that shouldn't matter because we check for existing cross-references later. @push_commits = @project.repository.commits_between(@project.default_branch, params[:newrev]) # don't process commits for the initial push to the default branch process_commit_messages end elsif push_to_existing_branch? # Collect data for this git push @push_commits = @project.repository.commits_between(params[:oldrev], params[:newrev]) process_commit_messages end # Update merge requests that may be affected by this push. A new branch # could cause the last commit of a merge request to change. update_merge_requests # Checks if the main language has changed in the project and if so # it updates it accordingly update_main_language perform_housekeeping end def update_main_language # Performance can be bad so for now only check main_language once # See https://gitlab.com/gitlab-org/gitlab-ce/issues/14937 return if @project.main_language.present? return unless is_default_branch? return unless push_to_new_branch? || push_to_existing_branch? current_language = @project.repository.main_language @project.update_attributes(main_language: current_language) true end protected def update_merge_requests @project.update_merge_requests(params[:oldrev], params[:newrev], params[:ref], current_user) EventCreateService.new.push(@project, current_user, build_push_data) @project.execute_hooks(build_push_data.dup, :push_hooks) @project.execute_services(build_push_data.dup, :push_hooks) CreateCommitBuildsService.new.execute(@project, current_user, build_push_data) ProjectCacheWorker.perform_async(@project.id) end def perform_housekeeping housekeeping = Projects::HousekeepingService.new(@project) housekeeping.increment! housekeeping.execute if housekeeping.needed? rescue Projects::HousekeepingService::LeaseTaken end def process_default_branch @push_commits = project.repository.commits(params[:newrev]) # Ensure HEAD points to the default branch in case it is not master project.change_head(branch_name) # Set protection on the default branch if configured if current_application_settings.default_branch_protection != PROTECTION_NONE developers_can_push = current_application_settings.default_branch_protection == PROTECTION_DEV_CAN_PUSH ? true : false @project.protected_branches.create({ name: @project.default_branch, developers_can_push: developers_can_push }) end end # Extract any GFM references from the pushed commit messages. If the configured issue-closing regex is matched, # close the referenced Issue. Create cross-reference Notes corresponding to any other referenced Mentionables. def process_commit_messages is_default_branch = is_default_branch? authors = Hash.new do |hash, commit| email = commit.author_email next hash[email] if hash.has_key?(email) hash[email] = commit_user(commit) end @push_commits.each do |commit| # Keep track of the issues that will be actually closed because they are on a default branch. # Hence, when creating cross-reference notes, the not-closed issues (on non-default branches) # will also have cross-reference. closed_issues = [] if is_default_branch # Close issues if these commits were pushed to the project's default branch and the commit message matches the # closing regex. Exclude any mentioned Issues from cross-referencing even if the commits are being pushed to # a different branch. closed_issues = commit.closes_issues(current_user) closed_issues.each do |issue| if can?(current_user, :update_issue, issue) Issues::CloseService.new(project, authors[commit], {}).execute(issue, commit: commit) end end end commit.create_cross_references!(authors[commit], closed_issues) end end def build_push_data @push_data ||= Gitlab::PushDataBuilder. build(@project, current_user, params[:oldrev], params[:newrev], params[:ref], push_commits) end def push_to_existing_branch? # Return if this is not a push to a branch (e.g. new commits) Gitlab::Git.branch_ref?(params[:ref]) && !Gitlab::Git.blank_ref?(params[:oldrev]) end def push_to_new_branch? Gitlab::Git.branch_ref?(params[:ref]) && Gitlab::Git.blank_ref?(params[:oldrev]) end def push_remove_branch? Gitlab::Git.branch_ref?(params[:ref]) && Gitlab::Git.blank_ref?(params[:newrev]) end def push_to_branch? Gitlab::Git.branch_ref?(params[:ref]) end def is_default_branch? Gitlab::Git.branch_ref?(params[:ref]) && (Gitlab::Git.ref_name(params[:ref]) == project.default_branch || project.default_branch.nil?) end def commit_user(commit) commit.author || current_user end def branch_name @branch_name ||= Gitlab::Git.ref_name(params[:ref]) end end