debian-mirror-gitlab/app/services/git/branch_hooks_service.rb
2019-12-21 20:55:43 +05:30

169 lines
4.8 KiB
Ruby

# frozen_string_literal: true
module Git
class BranchHooksService < ::Git::BaseHooksService
def execute
execute_branch_hooks
super.tap do
enqueue_update_gpg_signatures
end
end
private
def hook_name
:push_hooks
end
def commits
strong_memoize(:commits) do
if creating_default_branch?
# The most recent PROCESS_COMMIT_LIMIT commits in the default branch
project.repository.commits(newrev, limit: PROCESS_COMMIT_LIMIT)
elsif creating_branch?
# 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.
project.repository.commits_between(project.default_branch, newrev)
elsif updating_branch?
project.repository.commits_between(oldrev, newrev)
else # removing branch
[]
end
end
end
def commits_count
return count_commits_in_branch if creating_default_branch?
super
end
def invalidated_file_types
return super unless default_branch? && !creating_branch?
paths = limited_commits.each_with_object(Set.new) do |commit, set|
commit.raw_deltas.each do |diff|
set << diff.new_path
end
end
Gitlab::FileDetector.types_in_paths(paths)
end
def execute_branch_hooks
project.repository.after_push_commit(branch_name)
branch_create_hooks if creating_branch?
branch_update_hooks if updating_branch?
branch_change_hooks if creating_branch? || updating_branch?
branch_remove_hooks if removing_branch?
end
def branch_create_hooks
project.repository.after_create_branch(expire_cache: false)
project.after_create_default_branch if default_branch?
end
def branch_update_hooks
# Update the bare repositories info/attributes file using the contents of
# the default branch's .gitattributes file
project.repository.copy_gitattributes(ref) if default_branch?
end
def branch_change_hooks
enqueue_process_commit_messages
end
def branch_remove_hooks
project.repository.after_remove_branch(expire_cache: false)
end
# Schedules processing of commit messages
def enqueue_process_commit_messages
referencing_commits = limited_commits.select(&:matches_cross_reference_regex?)
upstream_commit_ids = upstream_commit_ids(referencing_commits)
referencing_commits.each do |commit|
# Avoid reprocessing commits that already exist upstream if the project
# is a fork. This will prevent duplicated/superfluous system notes on
# mentionables referenced by a commit that is pushed to the upstream,
# that is then also pushed to forks when these get synced by users.
next if upstream_commit_ids.include?(commit.id)
ProcessCommitWorker.perform_async(
project.id,
current_user.id,
commit.to_hash,
default_branch?
)
end
end
def enqueue_update_gpg_signatures
unsigned = GpgSignature.unsigned_commit_shas(limited_commits.map(&:sha))
return if unsigned.empty?
signable = Gitlab::Git::Commit.shas_with_signatures(project.repository, unsigned)
return if signable.empty?
CreateGpgSignatureWorker.perform_async(signable, project.id)
end
# It's not sufficient to just check for a blank SHA as it's possible for the
# branch to be pushed, but for the `post-receive` hook to never run:
# https://gitlab.com/gitlab-org/gitlab-foss/issues/59257
def creating_branch?
strong_memoize(:creating_branch) do
Gitlab::Git.blank_ref?(oldrev) ||
!project.repository.branch_exists?(branch_name)
end
end
def updating_branch?
!creating_branch? && !removing_branch?
end
def removing_branch?
Gitlab::Git.blank_ref?(newrev)
end
def creating_default_branch?
creating_branch? && default_branch?
end
def count_commits_in_branch
strong_memoize(:count_commits_in_branch) do
project.repository.commit_count_for_ref(ref)
end
end
def default_branch?
strong_memoize(:default_branch) do
[nil, branch_name].include?(project.default_branch)
end
end
def branch_name
strong_memoize(:branch_name) { Gitlab::Git.ref_name(ref) }
end
def upstream_commit_ids(commits)
set = Set.new
upstream_project = project.fork_source
if upstream_project
upstream_project
.commits_by(oids: commits.map(&:id))
.each { |commit| set << commit.id }
end
set
end
end
end
Git::BranchHooksService.prepend_if_ee('::EE::Git::BranchHooksService')