class GitPushService attr_accessor :project, :user, :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 is 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 web hooks # 5. Executes the project's services # def execute(project, user, oldrev, newrev, ref) @project, @user = project, user project.repository.expire_cache if push_remove_branch?(ref, newrev) @push_commits = [] elsif push_to_new_branch?(ref, oldrev) # Re-find the pushed commits. if is_default_branch?(ref) # Initial push to the default branch. Take the full history of that branch as "newly pushed". @push_commits = project.repository.commits(newrev) # Ensure HEAD points to the default branch in case it is not master branch_name = Gitlab::Git.ref_name(ref) 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 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, newrev) # don't process commits for the initial push to the default branch process_commit_messages(ref) end elsif push_to_existing_branch?(ref, oldrev) # Collect data for this git push @push_commits = project.repository.commits_between(oldrev, newrev) process_commit_messages(ref) 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. project.update_merge_requests(oldrev, newrev, ref, @user) @push_data = build_push_data(oldrev, newrev, ref) EventCreateService.new.push(project, user, @push_data) project.execute_hooks(@push_data.dup, :push_hooks) project.execute_services(@push_data.dup, :push_hooks) CreateCommitBuildsService.new.execute(project, @user, @push_data) ProjectCacheWorker.perform_async(project.id) end protected # 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(ref) is_default_branch = is_default_branch?(ref) 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(user) closed_issues.each do |issue| Issues::CloseService.new(project, authors[commit], {}).execute(issue, commit) end end commit.create_cross_references!(authors[commit], closed_issues) end end def build_push_data(oldrev, newrev, ref) Gitlab::PushDataBuilder. build(project, user, oldrev, newrev, ref, push_commits) end def push_to_existing_branch?(ref, oldrev) # Return if this is not a push to a branch (e.g. new commits) Gitlab::Git.branch_ref?(ref) && !Gitlab::Git.blank_ref?(oldrev) end def push_to_new_branch?(ref, oldrev) Gitlab::Git.branch_ref?(ref) && Gitlab::Git.blank_ref?(oldrev) end def push_remove_branch?(ref, newrev) Gitlab::Git.branch_ref?(ref) && Gitlab::Git.blank_ref?(newrev) end def push_to_branch?(ref) Gitlab::Git.branch_ref?(ref) end def is_default_branch?(ref) Gitlab::Git.branch_ref?(ref) && (Gitlab::Git.ref_name(ref) == project.default_branch || project.default_branch.nil?) end def commit_user(commit) commit.author || user end end