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Moves project creationg to git access check for git push

This commit is contained in:
Tiago Botelho 2018-02-02 15:27:30 +00:00
parent 839829a778
commit 1e56b3f476
15 changed files with 272 additions and 233 deletions
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2
GITLAB_SHELL_VERSION
View File

@ -1 +1 @@
6.0.2
6.0.3

19
app/controllers/projects/git_http_controller.rb
View File

@ -11,7 +11,6 @@ class Projects::GitHttpController < Projects::GitHttpClientController
# GET /foo/bar.git/info/refs?service=git-receive-pack (git push)
def info_refs
log_user_activity if upload_pack?
create_new_project if receive_pack? && project.blank?
render_ok
end
@ -36,10 +35,6 @@ class Projects::GitHttpController < Projects::GitHttpClientController
git_command == 'git-upload-pack'
end
def receive_pack?
git_command == 'git-receive-pack'
end
def git_command
if action_name == 'info_refs'
params[:service]
@ -48,10 +43,6 @@ class Projects::GitHttpController < Projects::GitHttpClientController
end
end
def create_new_project
@project = ::Projects::CreateFromPushService.new(user, params[:project_id], namespace, 'http').execute
end
def render_ok
set_workhorse_internal_api_content_type
render json: Gitlab::Workhorse.git_http_ok(repository, wiki?, user, action_name)
@ -70,7 +61,10 @@ class Projects::GitHttpController < Projects::GitHttpClientController
end
def access
@access ||= access_klass.new(access_actor, project, 'http', authentication_abilities: authentication_abilities, redirected_path: redirected_path, target_namespace: namespace)
@access ||= access_klass.new(access_actor, project,
'http', authentication_abilities: authentication_abilities,
namespace_path: params[:namespace_id], project_path: project_path,
redirected_path: redirected_path)
end
def access_actor
@ -82,14 +76,15 @@ class Projects::GitHttpController < Projects::GitHttpClientController
# Use the magic string '_any' to indicate we do not know what the
# changes are. This is also what gitlab-shell does.
access.check(git_command, '_any')
@project ||= access.project
end
def access_klass
@access_klass ||= wiki? ? Gitlab::GitAccessWiki : Gitlab::GitAccess
end
def namespace
@namespace ||= Namespace.find_by_full_path(params[:namespace_id])
def project_path
@project_path ||= params[:project_id].sub(/\.git$/, '')
end
def log_user_activity

37
app/services/projects/create_from_push_service.rb
View File

@ -1,37 +0,0 @@
module Projects
class CreateFromPushService < BaseService
attr_reader :user, :project_path, :namespace, :protocol
def initialize(user, project_path, namespace, protocol)
@user = user
@project_path = project_path
@namespace = namespace
@protocol = protocol
end
def execute
return unless user
project = Projects::CreateService.new(user, project_params).execute
if project.saved?
Gitlab::Checks::ProjectCreated.new(project, user, protocol).add_message
else
raise Gitlab::GitAccess::ProjectCreationError, "Could not create project: #{project.errors.full_messages.join(', ')}"
end
project
end
private
def project_params
{
description: "",
path: project_path.gsub(/\.git$/, ''),
namespace_id: namespace&.id,
visibility_level: Gitlab::VisibilityLevel::PRIVATE.to_s
}
end
end
end

17
doc/gitlab-basics/create-project.md
View File

@ -39,18 +39,18 @@
When you create a new repo locally, instead of going to GitLab to manually
create a new project and then push the repo, you can directly push it to
GitLab to create the new project, all without leaving your terminal. That
will automatically create a new project under a GitLab namespace that you have access to
with its visibility set to private by default (you can later change it).
GitLab to create the new project, all without leaving your terminal. If you have access to that
namespace, we will automatically create a new project under that GitLab namespace with its
visibility set to private by default (you can later change it in the UI).
This can be done by using either SSH or HTTP:
```
## Git push using SSH
git push git@gitlab.com:namespace/nonexistent-project.git branch_name
git push git@gitlab.example.com:namespace/nonexistent-project.git
## Git push using HTTP
git push https://gitlab.com/namespace/nonexistent-project.git branch_name
git push https://gitlab.example.com/namespace/nonexistent-project.git
```
Once the push finishes successfully, a remote message will indicate
@ -61,15 +61,12 @@ remote:
remote: The private project namespace/nonexistent-project was created.
remote:
remote: To configure the remote, run:
remote: git remote add origin https://gitlab.com/namespace/nonexistent-project.git
remote: git remote add origin https://gitlab.example.com/namespace/nonexistent-project.git
remote:
remote: To view the project, visit:
remote: https://gitlab.com/namespace/nonexistent-project
remote: https://gitlab.example.com/namespace/nonexistent-project
remote:
```
If the project name is already in use, your push will be rejected
to prevent accidental overwriting the existing project.
[import it]: ../workflow/importing/README.md
[reserved]: ../user/reserved_names.md

20
lib/api/helpers/internal_helpers.rb
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@ -1,8 +1,6 @@
module API
module Helpers
module InternalHelpers
include Gitlab::Utils::StrongMemoize
attr_reader :redirected_path
def wiki?
@ -49,10 +47,6 @@ module API
::Users::ActivityService.new(actor, 'Git SSH').execute if commands.include?(params[:action])
end
def receive_pack?
params[:action] == 'git-receive-pack'
end
def merge_request_urls
::MergeRequests::GetUrlsService.new(project).execute(params[:changes])
end
@ -66,16 +60,18 @@ module API
false
end
def project_namespace
strong_memoize(:project_namespace) do
project&.namespace || Namespace.find_by_full_path(project_match[:namespace_path])
end
def project_path
project&.path || project_path_match[:project_path]
end
def namespace_path
project&.namespace&.full_path || project_path_match[:namespace_path]
end
private
def project_match
@project_match ||= params[:project].match(Gitlab::PathRegex.full_project_git_path_regex) || {}
def project_path_match
@project_path_match ||= params[:project].match(Gitlab::PathRegex.full_project_git_path_regex) || {}
end
# rubocop:disable Gitlab/ModuleWithInstanceVariables

15
lib/api/internal.rb
View File

@ -42,23 +42,18 @@ module API
end
access_checker_klass = wiki? ? Gitlab::GitAccessWiki : Gitlab::GitAccess
access_checker = access_checker_klass
.new(actor, project, protocol, authentication_abilities: ssh_authentication_abilities, redirected_path: redirected_path, target_namespace: project_namespace)
access_checker = access_checker_klass.new(actor, project,
protocol, authentication_abilities: ssh_authentication_abilities,
namespace_path: namespace_path, project_path: project_path,
redirected_path: redirected_path)
begin
access_checker.check(params[:action], params[:changes])
@project ||= access_checker.project
rescue Gitlab::GitAccess::UnauthorizedError, Gitlab::GitAccess::NotFoundError => e
return { status: false, message: e.message }
end
if receive_pack? && project.blank?
begin
@project = ::Projects::CreateFromPushService.new(user, project_match[:project_path], project_namespace, protocol).execute
rescue Gitlab::GitAccess::ProjectCreationError => e
return { status: false, message: e.message }
end
end
log_user_activity(actor)
{

2
lib/gitlab/checks/base_project.rb → lib/gitlab/checks/post_push_message.rb
View File

@ -1,6 +1,6 @@
module Gitlab
module Checks
class BaseProject
class PostPushMessage
def initialize(project, user, protocol)
@project = project
@user = user

6
lib/gitlab/checks/project_created.rb
View File

@ -1,12 +1,12 @@
module Gitlab
module Checks
class ProjectCreated < BaseProject
class ProjectCreated < PostPushMessage
PROJECT_CREATED = "project_created".freeze
def message
<<~MESSAGE.strip_heredoc
<<~MESSAGE
The private project #{project.full_path} was created.
The private project #{project.full_path} was successfully created.
To configure the remote, run:
git remote add origin #{url_to_repo}

4
lib/gitlab/checks/project_moved.rb
View File

@ -1,6 +1,6 @@
module Gitlab
module Checks
class ProjectMoved < BaseProject
class ProjectMoved < PostPushMessage
REDIRECT_NAMESPACE = "redirect_namespace".freeze
def initialize(project, user, protocol, redirected_path)
@ -10,7 +10,7 @@ module Gitlab
end
def message(rejected: false)
<<~MESSAGE.strip_heredoc
<<~MESSAGE
Project '#{redirected_path}' was moved to '#{project.full_path}'.
Please update your Git remote:

92
lib/gitlab/git_access.rb
View File

@ -28,32 +28,37 @@ module Gitlab
PUSH_COMMANDS = %w{ git-receive-pack }.freeze
ALL_COMMANDS = DOWNLOAD_COMMANDS + PUSH_COMMANDS
attr_reader :actor, :project, :protocol, :authentication_abilities, :redirected_path, :target_namespace
attr_reader :actor, :project, :protocol, :authentication_abilities, :namespace_path, :project_path, :redirected_path
def initialize(actor, project, protocol, authentication_abilities:, redirected_path: nil, target_namespace: nil)
def initialize(actor, project, protocol, authentication_abilities:, namespace_path: nil, project_path: nil, redirected_path: nil)
@actor = actor
@project = project
@protocol = protocol
@redirected_path = redirected_path
@authentication_abilities = authentication_abilities
@target_namespace = target_namespace
@namespace_path = namespace_path
@project_path = project_path
@redirected_path = redirected_path
end
def check(cmd, changes)
check_protocol!
check_valid_actor!
check_active_user!
check_project_accessibility!(cmd)
check_project_moved!
check_command_disabled!(cmd)
check_command_existence!(cmd)
check_repository_existence!(cmd)
check_db_accessibility!(cmd)
ensure_project_on_push!(cmd, changes)
check_project_accessibility!
check_project_moved!
check_repository_existence!
case cmd
when *DOWNLOAD_COMMANDS
check_download_access!
when *PUSH_COMMANDS
check_push_access!(cmd, changes)
check_push_access!(changes)
end
true
@ -99,8 +104,8 @@ module Gitlab
end
end
def check_project_accessibility!(cmd)
unless can_create_project_in_namespace?(cmd) || can_read_project?
def check_project_accessibility!
if project.blank? || !can_read_project?
raise NotFoundError, ERROR_MESSAGES[:project_not_found]
end
end
@ -143,16 +148,49 @@ module Gitlab
end
end
def check_repository_existence!(cmd)
unless can_create_project_in_namespace?(cmd) || project.repository.exists?
def check_db_accessibility!(cmd)
return unless receive_pack?(cmd)
if Gitlab::Database.read_only?
raise UnauthorizedError, push_to_read_only_message
end
end
def ensure_project_on_push!(cmd, changes)
return if project || deploy_key?
return unless receive_pack?(cmd) && changes == '_any' && authentication_abilities.include?(:push_code)
namespace = Namespace.find_by_full_path(namespace_path)
return unless user&.can?(:create_projects, namespace)
project_params = {
path: project_path,
namespace_id: namespace.id,
visibility_level: Gitlab::VisibilityLevel::PRIVATE
}
project = Projects::CreateService.new(user, project_params).execute
unless project.saved?
raise ProjectCreationError, "Could not create project: #{project.errors.full_messages.join(', ')}"
end
@project = project
user_access.project = @project
Checks::ProjectCreated.new(project, user, protocol).add_message
end
def check_repository_existence!
unless project.repository.exists?
raise UnauthorizedError, ERROR_MESSAGES[:no_repo]
end
end
def check_download_access!
return if deploy_key?
passed = user_can_download_code? ||
passed = deploy_key? ||
user_can_download_code? ||
build_can_download_code? ||
guest_can_download_code?
@ -161,13 +199,7 @@ module Gitlab
end
end
def check_push_access!(cmd, changes)
if Gitlab::Database.read_only?
raise UnauthorizedError, push_to_read_only_message
end
return if can_create_project_in_namespace?(cmd)
def check_push_access!(changes)
if project.repository_read_only?
raise UnauthorizedError, ERROR_MESSAGES[:read_only]
end
@ -180,8 +212,6 @@ module Gitlab
raise UnauthorizedError, ERROR_MESSAGES[:upload]
end
return if changes.blank? # Allow access.
check_change_access!(changes)
end
@ -198,6 +228,8 @@ module Gitlab
end
def check_change_access!(changes)
return if changes.blank? # Allow access.
changes_list = Gitlab::ChangesList.new(changes)
# Iterate over all changes to find if user allowed all of them to be applied
@ -240,14 +272,6 @@ module Gitlab
end || Guest.can?(:read_project, project)
end
def can_create_project_in_namespace?(cmd)
strong_memoize(:can_create_project_in_namespace) do
return false unless push?(cmd) && target_namespace && project.blank?
user.can?(:create_projects, target_namespace)
end
end
def http?
protocol == 'http'
end
@ -260,10 +284,6 @@ module Gitlab
command == 'git-receive-pack'
end
def push?(cmd)
PUSH_COMMANDS.include?(cmd)
end
def upload_pack_disabled_over_http?
!Gitlab.config.gitlab_shell.upload_pack
end

2
lib/gitlab/path_regex.rb
View File

@ -188,7 +188,7 @@ module Gitlab
end
def full_project_git_path_regex
@full_project_git_path_regex ||= /\A\/?(?<namespace_path>#{full_namespace_route_regex})\/(?<project_path>#{project_git_route_regex})\z/.freeze
@full_project_git_path_regex ||= %r{\A\/?(?<namespace_path>#{full_namespace_route_regex})\/(?<project_path>#{project_route_regex})\.git\z}
end
def full_namespace_format_regex

3
lib/gitlab/user_access.rb
View File

@ -6,7 +6,8 @@ module Gitlab
[user&.id, project&.id]
end
attr_reader :user, :project
attr_reader :user
attr_accessor :project
def initialize(user, project: nil)
@user = user

226
spec/lib/gitlab/git_access_spec.rb
View File

@ -5,11 +5,19 @@ describe Gitlab::GitAccess do
let(:actor) { user }
let(:project) { create(:project, :repository) }
let(:project_path) { project.path }
let(:namespace_path) { project&.namespace&.path }
let(:protocol) { 'ssh' }
let(:authentication_abilities) { %i[read_project download_code push_code] }
let(:redirected_path) { nil }
let(:access) { described_class.new(actor, project, protocol, authentication_abilities: authentication_abilities, redirected_path: redirected_path) }
let(:access) do
described_class.new(actor, project,
protocol, authentication_abilities: authentication_abilities,
namespace_path: namespace_path, project_path: project_path,
redirected_path: redirected_path)
end
let(:push_access_check) { access.check('git-receive-pack', '_any') }
let(:pull_access_check) { access.check('git-upload-pack', '_any') }
@ -145,6 +153,7 @@ describe Gitlab::GitAccess do
context 'when the project is nil' do
let(:project) { nil }
let(:project_path) { "new-project" }
it 'blocks push and pull with "not found"' do
aggregate_failures do
@ -154,7 +163,13 @@ describe Gitlab::GitAccess do
end
context 'when user is allowed to create project in namespace' do
let(:access) { described_class.new(actor, nil, protocol, authentication_abilities: authentication_abilities, redirected_path: redirected_path, target_namespace: user.namespace) }
let(:namespace_path) { user.namespace.path }
let(:access) do
described_class.new(actor, nil,
protocol, authentication_abilities: authentication_abilities,
project_path: project_path, namespace_path: namespace_path,
redirected_path: redirected_path)
end
it 'blocks pull access with "not found"' do
expect { pull_access_check }.to raise_not_found
@ -167,7 +182,13 @@ describe Gitlab::GitAccess do
context 'when user is not allowed to create project in namespace' do
let(:user2) { create(:user) }
let(:access) { described_class.new(actor, nil, protocol, authentication_abilities: authentication_abilities, redirected_path: redirected_path, target_namespace: user2.namespace) }
let(:namespace_path) { user2.namespace.path }
let(:access) do
described_class.new(actor, nil,
protocol, authentication_abilities: authentication_abilities,
project_path: project_path, namespace_path: namespace_path,
redirected_path: redirected_path)
end
it 'blocks push and pull with "not found"' do
aggregate_failures do
@ -297,6 +318,52 @@ describe Gitlab::GitAccess do
end
end
describe '#check_authentication_abilities!' do
before do
project.add_master(user)
end
context 'when download' do
let(:authentication_abilities) { [] }
it 'raises unauthorized with download error' do
expect { pull_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:download])
end
context 'when authentication abilities include download code' do
let(:authentication_abilities) { [:download_code] }
it 'does not raise any errors' do
expect { pull_access_check }.not_to raise_error
end
end
context 'when authentication abilities include build download code' do
let(:authentication_abilities) { [:build_download_code] }
it 'does not raise any errors' do
expect { pull_access_check }.not_to raise_error
end
end
end
context 'when upload' do
let(:authentication_abilities) { [] }
it 'raises unauthorized with push error' do
expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:upload])
end
context 'when authentication abilities include push code' do
let(:authentication_abilities) { [:push_code] }
it 'does not raise any errors' do
expect { push_access_check }.not_to raise_error
end
end
end
end
describe '#check_command_disabled!' do
before do
project.add_master(user)
@ -335,34 +402,112 @@ describe Gitlab::GitAccess do
end
end
describe '#check_namespace_accessibility!' do
context 'when project exists' do
context 'when user can pull or push' do
before do
project.add_master(user)
describe '#check_db_accessibility!' do
context 'when in a read-only GitLab instance' do
before do
create(:protected_branch, name: 'feature', project: project)
allow(Gitlab::Database).to receive(:read_only?) { true }
end
it { expect { push_access_check }.to raise_unauthorized(described_class::ERROR_MESSAGES[:cannot_push_to_read_only]) }
end
end
describe '#ensure_project_on_push!' do
let(:access) do
described_class.new(actor, project,
protocol, authentication_abilities: authentication_abilities,
project_path: project_path, namespace_path: namespace_path,
redirected_path: redirected_path)
end
context 'when push' do
let(:cmd) { 'git-receive-pack' }
context 'when project does not exist' do
let(:project_path) { "nonexistent" }
let(:project) { nil }
context 'when changes is _any' do
let(:changes) { '_any' }
context 'when authentication abilities include push code' do
let(:authentication_abilities) { [:push_code] }
context 'when user can create project in namespace' do
let(:namespace_path) { user.namespace.path }
it 'creates a new project' do
expect { access.send(:ensure_project_on_push!, cmd, changes) }.to change { Project.count }.by(1)
end
end
context 'when user cannot create project in namespace' do
let(:user2) { create(:user) }
let(:namespace_path) { user2.namespace.path }
it 'does not create a new project' do
expect { access.send(:ensure_project_on_push!, cmd, changes) }.not_to change { Project.count }
end
end
end
context 'when authentication abilities do not include push code' do
let(:authentication_abilities) { [] }
context 'when user can create project in namespace' do
let(:namespace_path) { user.namespace.path }
it 'does not create a new project' do
expect { access.send(:ensure_project_on_push!, cmd, changes) }.not_to change { Project.count }
end
end
end
end
it 'does not block pull or push' do
aggregate_failures do
expect { push_access_check }.not_to raise_error
expect { pull_access_check }.not_to raise_error
context 'when check contains actual changes' do
let(:changes) { "#{Gitlab::Git::BLANK_SHA} 570e7b2abdd848b95f2f578043fc23bd6f6fd24d refs/heads/new_branch" }
it 'does not create a new project' do
expect { access.send(:ensure_project_on_push!, cmd, changes) }.not_to change { Project.count }
end
end
end
context 'when project exists' do
let(:changes) { '_any' }
let!(:project) { create(:project) }
it 'does not create a new project' do
expect { access.send(:ensure_project_on_push!, cmd, changes) }.not_to change { Project.count }
end
end
context 'when deploy key is used' do
let(:key) { create(:deploy_key, user: user) }
let(:actor) { key }
let(:project_path) { "nonexistent" }
let(:project) { nil }
let(:namespace_path) { user.namespace.path }
let(:changes) { '_any' }
it 'does not create a new project' do
expect { access.send(:ensure_project_on_push!, cmd, changes) }.not_to change { Project.count }
end
end
end
context 'when project does not exist' do
context 'when namespace exists' do
context 'when user is unable to push to namespace' do
let(:user2) { create(:user) }
let(:access) { described_class.new(actor, nil, protocol, authentication_abilities: authentication_abilities, redirected_path: redirected_path, target_namespace: user2.namespace) }
context 'when pull' do
let(:cmd) { 'git-upload-pack' }
let(:changes) { '_any' }
it 'blocks push and pull' do
aggregate_failures do
expect { push_access_check }.to raise_not_found
expect { pull_access_check }.to raise_not_found
end
end
context 'when project does not exist' do
let(:project_path) { "new-project" }
let(:namespace_path) { user.namespace.path }
let(:project) { nil }
it 'does not create a new project' do
expect { access.send(:ensure_project_on_push!, cmd, changes) }.not_to change { Project.count }
end
end
end
@ -395,7 +540,9 @@ describe Gitlab::GitAccess do
context 'when project is public' do
let(:public_project) { create(:project, :public, :repository) }
let(:access) { described_class.new(nil, public_project, 'web', authentication_abilities: []) }
let(:project_path) { public_project.path }
let(:namespace_path) { public_project.namespace.path }
let(:access) { described_class.new(nil, public_project, 'web', authentication_abilities: [:download_code], project_path: project_path, namespace_path: namespace_path) }
context 'when repository is enabled' do
it 'give access to download code' do
@ -558,17 +705,15 @@ describe Gitlab::GitAccess do
end
aggregate_failures do
Gitlab::GitAccess::ALL_COMMANDS.each do |cmd|
matrix.each do |action, allowed|
check = -> { access.send(:check_push_access!, cmd, changes[action]) }
matrix.each do |action, allowed|
check = -> { access.send(:check_push_access!, changes[action]) }
if allowed
expect(&check).not_to raise_error,
-> { "expected #{action} to be allowed" }
else
expect(&check).to raise_error(Gitlab::GitAccess::UnauthorizedError),
-> { "expected #{action} to be disallowed" }
end
if allowed
expect(&check).not_to raise_error,
-> { "expected #{action} to be allowed" }
else
expect(&check).to raise_error(Gitlab::GitAccess::UnauthorizedError),
-> { "expected #{action} to be disallowed" }
end
end
end
@ -697,19 +842,6 @@ describe Gitlab::GitAccess do
admin: { push_protected_branch: false, push_all: false, merge_into_protected_branch: false }))
end
end
context "when in a read-only GitLab instance" do
before do
create(:protected_branch, name: 'feature', project: project)
allow(Gitlab::Database).to receive(:read_only?) { true }
end
# Only check admin; if an admin can't do it, other roles can't either
matrix = permissions_matrix[:admin].dup
matrix.each { |key, _| matrix[key] = false }
run_permission_checks(admin: matrix)
end
end
describe 'build authentication abilities' do

26
spec/requests/api/internal_spec.rb
View File

@ -386,32 +386,6 @@ describe API::Internal do
expect(json_response["repository_path"]).to eq(project.repository.path_to_repo)
expect(json_response["gl_repository"]).to eq("project-#{project.id}")
end
context 'when project does not exist' do
it 'creates a new project' do
path = "#{user.namespace.path}/notexist.git"
expect do
push_with_path(key, path)
end.to change { Project.count }.by(1)
expect(response).to have_gitlab_http_status(200)
expect(json_response["status"]).to be_truthy
expect(json_response["gitaly"]["repository"]["relative_path"]).to eq(path)
end
it 'handles project creation failure' do
path = "#{user.namespace.path}/new.git"
expect do
push_with_path(key, path)
end.not_to change { Project.count }
expect(response).to have_gitlab_http_status(200)
expect(json_response["status"]).to be_falsey
expect(json_response["message"]).to eq("Could not create project: Path new is a reserved name")
end
end
end
end
end

34
spec/services/projects/create_from_push_service_spec.rb
View File

@ -1,34 +0,0 @@
require 'spec_helper'
describe Projects::CreateFromPushService do
let(:user) { create(:user) }
let(:project_path) { "nonexist" }
let(:namespace) { user&.namespace }
let(:protocol) { 'http' }
subject { described_class.new(user, project_path, namespace, protocol) }
it 'creates project' do
expect_any_instance_of(Projects::CreateService).to receive(:execute).and_call_original
expect { subject.execute }.to change { Project.count }.by(1)
end
it 'raises project creation error when project creation fails' do
allow_any_instance_of(Project).to receive(:saved?).and_return(false)
expect { subject.execute }.to raise_error(Gitlab::GitAccess::ProjectCreationError)
end
context 'when user is nil' do
let(:user) { nil }
subject { described_class.new(user, project_path, namespace, protocol) }
it 'returns nil' do
expect_any_instance_of(Projects::CreateService).not_to receive(:execute)
expect(subject.execute).to be_nil
end
end
end