196 lines
5.9 KiB
Ruby
196 lines
5.9 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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# Collect data for this git push
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@push_commits = project.repository.commits_between(oldrev, newrev)
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@push_data = post_receive_data(oldrev, newrev, ref)
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create_push_event
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project.ensure_satellite_exists
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project.discover_default_branch
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project.repository.expire_cache
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if push_to_existing_branch?(ref, oldrev)
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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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if push_to_branch?(ref)
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project.execute_hooks(@push_data.dup)
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project.execute_services(@push_data.dup)
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end
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if 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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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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end
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end
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# This method provide a sample data
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# generated with post_receive_data method
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# for given project
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#
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def sample_data(project, user)
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@project, @user = project, user
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@push_commits = project.repository.commits(project.default_branch, nil, 3)
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post_receive_data(@push_commits.last.id, @push_commits.first.id, "refs/heads/#{project.default_branch}")
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end
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protected
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def create_push_event
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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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author = commit_user(commit)
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if !issues_to_close.empty? && is_default_branch
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Thread.current[:current_user] = author
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Thread.current[:current_commit] = commit
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issues_to_close.each { |i| i.close && i.save }
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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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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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# Produce a hash of post-receive data
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#
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# data = {
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# before: String,
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# after: String,
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# ref: String,
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# user_id: String,
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# user_name: String,
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# project_id: String,
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# repository: {
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# name: String,
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# url: String,
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# description: String,
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# homepage: String,
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# },
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# commits: Array,
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# total_commits_count: Fixnum
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# }
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#
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def post_receive_data(oldrev, newrev, ref)
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# Total commits count
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push_commits_count = push_commits.size
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# Get latest 20 commits ASC
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push_commits_limited = push_commits.last(20)
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# Hash to be passed as post_receive_data
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data = {
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before: oldrev,
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after: newrev,
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ref: ref,
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user_id: user.id,
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user_name: user.name,
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project_id: project.id,
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repository: {
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name: project.name,
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url: project.url_to_repo,
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description: project.description,
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homepage: project.web_url,
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},
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commits: [],
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total_commits_count: push_commits_count
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}
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# For performance purposes maximum 20 latest commits
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# will be passed as post receive hook data.
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#
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push_commits_limited.each do |commit|
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data[:commits] << {
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id: commit.id,
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message: commit.safe_message,
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timestamp: commit.committed_date.xmlschema,
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url: "#{Gitlab.config.gitlab.url}/#{project.path_with_namespace}/commit/#{commit.id}",
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author: {
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name: commit.author_name,
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email: commit.author_email
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}
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}
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end
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data
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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] =~ /heads/ && oldrev != "0000000000000000000000000000000000000000"
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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] =~ /heads/ && oldrev == "0000000000000000000000000000000000000000"
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end
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def push_to_branch? ref
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ref =~ /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.where(email: commit.author_email).first ||
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User.where(name: commit.author_name).first ||
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user
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end
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end
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