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class GitPushService < BaseService
attr_accessor :push_data, :push_commits
include Gitlab::CurrentSettings
include Gitlab::Access
# The N most recent commits to process in a single push payload.
PROCESS_COMMIT_LIMIT = 100
# This method will be called after each git update
# and only if the provided user and project are 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 webhooks
# 5. Executes the project's services
# 6. Checks if the project's main language has changed
#
def execute
@project.repository.after_create if @project.empty_repo?
@project.repository.after_push_commit(branch_name)
if push_remove_branch?
@project.repository.after_remove_branch
@push_commits = []
elsif push_to_new_branch?
@project.repository.after_create_branch
# Re-find the pushed commits.
if is_default_branch?
# Initial push to the default branch. Take the full history of that branch as "newly pushed".
process_default_branch
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, params[:newrev])
# don't process commits for the initial push to the default branch
process_commit_messages
end
elsif push_to_existing_branch?
# Collect data for this git push
@push_commits = @project.repository.commits_between(params[:oldrev], params[:newrev])
process_commit_messages
# Update the bare repositories info/attributes file using the contents of the default branches
# .gitattributes file
update_gitattributes if is_default_branch?
end
execute_related_hooks
perform_housekeeping
update_caches
update_signatures
end
def update_gitattributes
@project.repository.copy_gitattributes(params[:ref])
end
def update_caches
if is_default_branch?
paths = Set.new
@push_commits.each do |commit|
commit.raw_deltas.each do |diff|
paths << diff.new_path
end
end
types = Gitlab::FileDetector.types_in_paths(paths.to_a)
else
types = []
end
ProjectCacheWorker.perform_async(@project.id, types, [:commit_count, :repository_size])
end
def update_signatures
@push_commits.each do |commit|
CreateGpgSignatureWorker.perform_async(commit.sha, @project.id)
end
end
# Schedules processing of commit messages.
def process_commit_messages
default = is_default_branch?
push_commits.last(PROCESS_COMMIT_LIMIT).each do |commit|
if commit.matches_cross_reference_regex?
ProcessCommitWorker
.perform_async(project.id, current_user.id, commit.to_hash, default)
end
end
end
protected
def execute_related_hooks
# Update merge requests that may be affected by this push. A new branch
# could cause the last commit of a merge request to change.
#
UpdateMergeRequestsWorker
.perform_async(@project.id, current_user.id, params[:oldrev], params[:newrev], params[:ref])
EventCreateService.new.push(@project, current_user, build_push_data)
Ci::CreatePipelineService.new(@project, current_user, build_push_data).execute(:push)
SystemHookPushWorker.perform_async(build_push_data.dup, :push_hooks)
@project.execute_hooks(build_push_data.dup, :push_hooks)
@project.execute_services(build_push_data.dup, :push_hooks)
if push_remove_branch?
AfterBranchDeleteService
.new(project, current_user)
.execute(branch_name)
end
end
def perform_housekeeping
housekeeping = Projects::HousekeepingService.new(@project)
housekeeping.increment!
housekeeping.execute if housekeeping.needed?
rescue Projects::HousekeepingService::LeaseTaken
end
def process_default_branch
@push_commits = project.repository.commits(params[:newrev])
# Ensure HEAD points to the default branch in case it is not master
project.change_head(branch_name)
# Set protection on the default branch if configured
if current_application_settings.default_branch_protection != PROTECTION_NONE && !ProtectedBranch.protected?(@project, @project.default_branch)
params = {
name: @project.default_branch,
push_access_levels_attributes: [{
access_level: current_application_settings.default_branch_protection == PROTECTION_DEV_CAN_PUSH ? Gitlab::Access::DEVELOPER : Gitlab::Access::MASTER
}],
merge_access_levels_attributes: [{
access_level: current_application_settings.default_branch_protection == PROTECTION_DEV_CAN_MERGE ? Gitlab::Access::DEVELOPER : Gitlab::Access::MASTER
}]
}
ProtectedBranches::CreateService.new(@project, current_user, params).execute
end
end
def build_push_data
@push_data ||= Gitlab::DataBuilder::Push.build(
@project,
current_user,
params[:oldrev],
params[:newrev],
params[:ref],
push_commits)
end
def push_to_existing_branch?
# Return if this is not a push to a branch (e.g. new commits)
Gitlab::Git.branch_ref?(params[:ref]) && !Gitlab::Git.blank_ref?(params[:oldrev])
end
def push_to_new_branch?
Gitlab::Git.branch_ref?(params[:ref]) && Gitlab::Git.blank_ref?(params[:oldrev])
end
def push_remove_branch?
Gitlab::Git.branch_ref?(params[:ref]) && Gitlab::Git.blank_ref?(params[:newrev])
end
def push_to_branch?
Gitlab::Git.branch_ref?(params[:ref])
end
def is_default_branch?
Gitlab::Git.branch_ref?(params[:ref]) &&
(Gitlab::Git.ref_name(params[:ref]) == project.default_branch || project.default_branch.nil?)
end
def commit_user(commit)
commit.author || current_user
end
def branch_name
@branch_name ||= Gitlab::Git.ref_name(params[:ref])
end
end
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