140 lines
4.8 KiB
Ruby
140 lines
4.8 KiB
Ruby
class GitPushService
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attr_accessor :project, :user, :push_data, :push_commits
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# This method will be called after each git update
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# and only if the provided user and project is present in GitLab.
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#
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# All callbacks for post receive action should be placed here.
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#
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# Next, this method:
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# 1. Creates the push event
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# 2. Ensures that the project satellite exists
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# 3. Updates merge requests
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# 4. Recognizes cross-references from commit messages
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# 5. Executes the project's web hooks
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# 6. Executes the project's services
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#
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def execute(project, user, oldrev, newrev, ref)
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@project, @user = project, user
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project.ensure_satellite_exists
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project.repository.expire_cache
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project.update_repository_size
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if push_to_branch?(ref)
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if push_remove_branch?(ref, newrev)
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@push_commits = []
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elsif push_to_new_branch?(ref, oldrev)
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# Re-find the pushed commits.
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if is_default_branch?(ref)
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# Initial push to the default branch. Take the full history of that branch as "newly pushed".
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@push_commits = project.repository.commits(newrev)
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# Default branch is protected by default
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project.protected_branches.create({ name: project.default_branch })
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else
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# Use the pushed commits that aren't reachable by the default branch
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# as a heuristic. This may include more commits than are actually pushed, but
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# that shouldn't matter because we check for existing cross-references later.
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@push_commits = project.repository.commits_between(project.default_branch, newrev)
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end
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process_commit_messages(ref)
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elsif push_to_existing_branch?(ref, oldrev)
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# Collect data for this git push
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@push_commits = project.repository.commits_between(oldrev, newrev)
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project.update_merge_requests(oldrev, newrev, ref, @user)
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process_commit_messages(ref)
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end
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@push_data = post_receive_data(oldrev, newrev, ref)
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create_push_event(@push_data)
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project.execute_hooks(@push_data.dup, :push_hooks)
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project.execute_services(@push_data.dup)
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end
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end
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protected
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def create_push_event(push_data)
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Event.create!(
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project: project,
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action: Event::PUSHED,
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data: push_data,
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author_id: push_data[:user_id]
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)
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end
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# Extract any GFM references from the pushed commit messages. If the configured issue-closing regex is matched,
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# close the referenced Issue. Create cross-reference Notes corresponding to any other referenced Mentionables.
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def process_commit_messages(ref)
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is_default_branch = is_default_branch?(ref)
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@push_commits.each do |commit|
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# Close issues if these commits were pushed to the project's default branch and the commit message matches the
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# closing regex. Exclude any mentioned Issues from cross-referencing even if the commits are being pushed to
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# a different branch.
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issues_to_close = commit.closes_issues(project)
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# Load commit author only if needed.
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# For push with 1k commits it prevents 900+ requests in database
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author = nil
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if issues_to_close.present? && is_default_branch
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author ||= commit_user(commit)
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issues_to_close.each do |issue|
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Issues::CloseService.new(project, author, {}).execute(issue, commit)
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end
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end
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# Create cross-reference notes for any other references. Omit any issues that were referenced in an
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# issue-closing phrase, or have already been mentioned from this commit (probably from this commit
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# being pushed to a different branch).
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refs = commit.references(project) - issues_to_close
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refs.reject! { |r| commit.has_mentioned?(r) }
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if refs.present?
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author ||= commit_user(commit)
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refs.each do |r|
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Note.create_cross_reference_note(r, commit, author, project)
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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 post_receive_data(oldrev, newrev, ref)
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Gitlab::PushDataBuilder.
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build(project, user, oldrev, newrev, ref, push_commits)
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end
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def push_to_existing_branch?(ref, oldrev)
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ref_parts = ref.split('/')
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# Return if this is not a push to a branch (e.g. new commits)
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ref_parts[1].include?('heads') && oldrev != Gitlab::Git::BLANK_SHA
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end
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def push_to_new_branch?(ref, oldrev)
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ref_parts = ref.split('/')
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ref_parts[1].include?('heads') && oldrev == Gitlab::Git::BLANK_SHA
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end
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def push_remove_branch?(ref, newrev)
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ref_parts = ref.split('/')
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ref_parts[1].include?('heads') && newrev == Gitlab::Git::BLANK_SHA
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end
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def push_to_branch?(ref)
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ref.include?('refs/heads')
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end
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def is_default_branch?(ref)
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ref == "refs/heads/#{project.default_branch}"
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end
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def commit_user(commit)
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User.find_for_commit(commit.author_email, commit.author_name) || user
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end
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end
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