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require_relative 'base_service'
class CreateBranchService < BaseService
def execute(branch_name, ref, source_project: @project)
valid_branch = Gitlab::GitRefValidator.validate(branch_name)
if valid_branch == false
return error('Branch name is invalid')
end
repository = project.repository
existing_branch = repository.find_branch(branch_name)
if existing_branch
return error('Branch already exists')
end
new_branch = nil
if source_project != @project
repository.with_tmp_ref do |tmp_ref|
repository.fetch_ref(
source_project.repository.path_to_repo,
"refs/heads/#{ref}",
tmp_ref
)
new_branch = repository.add_branch(current_user, branch_name, tmp_ref)
end
else
new_branch = repository.add_branch(current_user, branch_name, ref)
end
if new_branch
push_data = build_push_data(project, current_user, new_branch)
EventCreateService.new.push(project, current_user, push_data)
project.execute_hooks(push_data.dup, :push_hooks)
project.execute_services(push_data.dup, :push_hooks)
success(new_branch)
else
error('Invalid reference name')
end
rescue GitHooksService::PreReceiveError
error('Branch creation was rejected by Git hook')
end
def success(branch)
out = super()
out[:branch] = branch
out
end
def build_push_data(project, user, branch)
Gitlab::PushDataBuilder.
build(project, user, Gitlab::Git::BLANK_SHA, branch.target, "#{Gitlab::Git::BRANCH_REF_PREFIX}#{branch.name}", [])
end
end
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