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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. Ensures that the project satellite exists
# 3. Updates merge requests
# 4. Recognizes cross-references from commit messages
# 5. Executes the project's web hooks
# 6. Executes the project's services
#
def execute(project, user, oldrev, newrev, ref)
@project, @user = project, user
project.ensure_satellite_exists
project.repository.expire_cache
project.update_repository_size
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)
# 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)
project.update_merge_requests(oldrev, newrev, ref, @user)
process_commit_messages(ref)
end
@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)
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)
@push_commits.each do |commit|
# 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.
issues_to_close = commit.closes_issues(project, user)
# Load commit author only if needed.
# For push with 1k commits it prevents 900+ requests in database
author = nil
if issues_to_close.present? && is_default_branch
author ||= commit_user(commit)
issues_to_close.each do |issue|
Issues::CloseService.new(project, author, {}).execute(issue, commit)
end
end
# Create cross-reference notes for any other references. Omit any issues that were referenced in an
# issue-closing phrase, or have already been mentioned from this commit (probably from this commit
# being pushed to a different branch).
refs = commit.references(project, user) - issues_to_close
refs.reject! { |r| commit.has_mentioned?(r) }
if refs.present?
author ||= commit_user(commit)
refs.each do |r|
Note.create_cross_reference_note(r, commit, author, project)
end
end
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
end
def commit_user(commit)
commit.author || user
end
end
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