Merge remote-tracking branch 'upstream/master' into ce-to-ee-2018-04-06

# Conflicts:
#	app/controllers/dashboard_controller.rb
#	app/services/projects/update_pages_service.rb
#	doc/administration/index.md
#	doc/ci/variables/README.md
#	doc/ci/yaml/README.md
#	spec/models/environment_spec.rb

[ci skip]

GITALY_SERVER_VERSION

-0.93.0
+0.94.0

app/assets/stylesheets/pages/commits.scss

@@ -107,7 +107,6 @@
   }
 }
 
-
 .commits-compare-switch {
   float: left;
   margin-right: 9px;
@@ -179,7 +178,7 @@
 .commit-detail {
   display: flex;
   justify-content: space-between;
-  align-items: flex-start;
+  align-items: center;
   flex-grow: 1;
 
   .merge-request-branches & {
@@ -204,37 +203,63 @@
   }
 
   .ci-status-link {
-    display: inline-block;
-    position: relative;
-    top: 2px;
+    display: inline-flex;
   }
 
-  .btn-clipboard,
-  .btn-transparent {
-    padding-left: 0;
-    padding-right: 0;
+  > .ci-status-link,
+  > .btn,
+  > .commit-sha-group {
+    margin-left: $gl-padding-8;
   }
+}
 
+.commit-sha-group {
+  display: inline-flex;
+
+  .label,
   .btn {
-    &:not(:first-child) {
-      margin-left: $gl-padding;
-    }
+    padding: $gl-vert-padding $gl-btn-padding;
+    border: 1px $border-color solid;
+    font-size: $gl-font-size;
+    line-height: $line-height-base;
+    border-radius: 0;
+    display: flex;
+    align-items: center;
+  }
+
+  .label-monospace {
+    @extend .monospace;
+    user-select: text;
+    color: $gl-text-color;
+    background-color: $gray-light;
   }
 
-  .commit-sha {
-    font-size: 14px;
-    font-weight: $gl-font-weight-bold;
+  .btn svg {
+    top: auto;
+    fill: $gl-text-color-secondary;
   }
 
-  .ci-status-icon {
-    position: relative;
-    top: 2px;
+  .fa-clipboard {
+    color: $gl-text-color-secondary;
+  }
+
+  :first-child {
+    border-bottom-left-radius: $border-radius-default;
+    border-top-left-radius: $border-radius-default;
+  }
+
+  :not(:first-child) {
+    border-left: 0;
+  }
+
+  :last-child {
+    border-bottom-right-radius: $border-radius-default;
+    border-top-right-radius: $border-radius-default;
   }
 }
 
 .commit,
 .generic_commit_status {
-
   a,
   button {
     color: $gl-text-color;
@@ -307,10 +332,8 @@
   }
 }
 
-
 .gpg-status-box {
   padding: 2px 10px;
-  margin-right: $gl-padding;
 
   &:empty {
     display: none;

app/controllers/concerns/authenticates_with_two_factor.rb

@@ -10,7 +10,7 @@ module AuthenticatesWithTwoFactor
     # This action comes from DeviseController, but because we call `sign_in`
     # manually, not skipping this action would cause a "You are already signed
     # in." error message to be shown upon successful login.
-    skip_before_action :require_no_authentication, only: [:create]
+    skip_before_action :require_no_authentication, only: [:create], raise: false
   end
 
   # Store the user's ID in the session for later retrieval and render the

app/controllers/dashboard_controller.rb

@@ -6,7 +6,10 @@ class DashboardController < Dashboard::ApplicationController
     :author_id,
     :assignee_id,
     :milestone_title,
+<<<<<<< HEAD
     :weight,
+=======
+>>>>>>> upstream/master
     :label_name
   ].freeze
 

app/controllers/projects/repositories_controller.rb

 class Projects::RepositoriesController < Projects::ApplicationController
+  include ExtractsPath
+
   # Authorize
   before_action :require_non_empty_project, except: :create
+  before_action :assign_archive_vars, only: :archive
   before_action :authorize_download_code!
   before_action :authorize_admin_project!, only: :create
 
@@ -11,9 +14,21 @@ class Projects::RepositoriesController < Projects::ApplicationController
   end
 
   def archive
-    send_git_archive @repository, ref: params[:ref], format: params[:format]
+    append_sha = params[:append_sha]
+
+    shortname = "#{@project.path}-#{@ref.tr('/', '-')}"
+    append_sha = false if @filename == shortname
+
+    send_git_archive @repository, ref: @ref, format: params[:format], append_sha: append_sha
   rescue => ex
     logger.error("#{self.class.name}: #{ex}")
     return git_not_found!
   end
+
+  def assign_archive_vars
+    @id = params[:id]
+    @ref, @filename = extract_ref(@id)
+  rescue InvalidPathError
+    render_404
+  end
 end

app/helpers/commits_helper.rb

@@ -93,25 +93,18 @@ module CommitsHelper
     return unless current_controller?(:commits)
 
     if @path.blank?
-      return link_to(
-        _("Browse Files"),
-        project_tree_path(project, commit),
-        class: "btn btn-default"
-      )
+      url = project_tree_path(project, commit)
+      tooltip = _("Browse Files")
     elsif @repo.blob_at(commit.id, @path)
-      return link_to(
-        _("Browse File"),
-        project_blob_path(project,
-                                    tree_join(commit.id, @path)),
-        class: "btn btn-default"
-      )
+      url = project_blob_path(project, tree_join(commit.id, @path))
+      tooltip = _("Browse File")
     elsif @path.present?
-      return link_to(
-        _("Browse Directory"),
-        project_tree_path(project,
-                                    tree_join(commit.id, @path)),
-        class: "btn btn-default"
-      )
+      url = project_tree_path(project, tree_join(commit.id, @path))
+      tooltip = _("Browse Directory")
+    end
+
+    link_to url, class: "btn btn-default has-tooltip", title: tooltip, data: { container: "body" } do
+      sprite_icon('folder-open')
     end
   end
 

app/helpers/workhorse_helper.rb

@@ -24,8 +24,8 @@ module WorkhorseHelper
   end
 
   # Archive a Git repository and send it through Workhorse
-  def send_git_archive(repository, ref:, format:)
-    headers.store(*Gitlab::Workhorse.send_git_archive(repository, ref: ref, format: format))
+  def send_git_archive(repository, **kwargs)
+    headers.store(*Gitlab::Workhorse.send_git_archive(repository, **kwargs))
     head :ok
   end
 

app/models/group.rb

@@ -330,6 +330,10 @@ class Group < Namespace
     false
   end
 
+  def refresh_project_authorizations
+    refresh_members_authorized_projects(blocking: false)
+  end
+
   private
 
   def update_two_factor_requirement

app/models/namespace.rb

@@ -262,6 +262,10 @@ class Namespace < ActiveRecord::Base
     []
   end
 
+  def refresh_project_authorizations
+    owner.refresh_authorized_projects
+  end
+
   private
 
   def path_or_parent_changed?

app/models/project.rb

@@ -1486,7 +1486,9 @@ class Project < ActiveRecord::Base
   end
 
   def rename_repo_notify!
-    send_move_instructions(full_path_was)
+    # When we import a project overwriting the original project, there
+    # is a move operation. In that case we don't want to send the instructions.
+    send_move_instructions(full_path_was) unless started?
     expires_full_path_cache
 
     self.old_path_with_namespace = full_path_was

app/services/projects/base_move_relations_service.rb

+module Projects
+  class BaseMoveRelationsService < BaseService
+    attr_reader :source_project
+    def execute(source_project, remove_remaining_elements: true)
+      return if source_project.blank?
+
+      @source_project = source_project
+
+      true
+    end
+
+    private
+
+    def prepare_relation(relation, id_param = :id)
+      if Gitlab::Database.postgresql?
+        relation
+      else
+        relation.model.where("#{id_param}": relation.pluck(id_param))
+      end
+    end
+  end
+end

app/services/projects/destroy_service.rb

@@ -47,6 +47,20 @@ module Projects
       raise
     end
 
+    def attempt_repositories_rollback
+      return unless @project
+
+      flush_caches(@project)
+
+      unless mv_repository(removal_path(repo_path), repo_path)
+        raise_error('Failed to restore project repository. Please contact the administrator.')
+      end
+
+      unless mv_repository(removal_path(wiki_path), wiki_path)
+        raise_error('Failed to restore wiki repository. Please contact the administrator.')
+      end
+    end
+
     private
 
     def repo_path
@@ -71,12 +85,9 @@ module Projects
       # Skip repository removal. We use this flag when remove user or group
       return true if params[:skip_repo] == true
 
-      # There is a possibility project does not have repository or wiki
-      return true unless gitlab_shell.exists?(project.repository_storage_path, path + '.git')
-
       new_path = removal_path(path)
 
-      if gitlab_shell.mv_repository(project.repository_storage_path, path, new_path)
+      if mv_repository(path, new_path)
         log_info("Repository \"#{path}\" moved to \"#{new_path}\"")
 
         project.run_after_commit do
@@ -88,6 +99,13 @@ module Projects
       end
     end
 
+    def mv_repository(from_path, to_path)
+      # There is a possibility project does not have repository or wiki
+      return true unless gitlab_shell.exists?(project.repository_storage_path, from_path + '.git')
+
+      gitlab_shell.mv_repository(project.repository_storage_path, from_path, to_path)
+    end
+
     def attempt_rollback(project, message)
       return unless project
 

app/services/projects/gitlab_projects_import_service.rb

@@ -15,9 +15,18 @@ module Projects
       file = params.delete(:file)
       FileUtils.copy_entry(file.path, import_upload_path)
 
+      @overwrite = params.delete(:overwrite)
+      data = {}
+      data[:override_params] = @override_params if @override_params
+
+      if overwrite_project?
+        data[:original_path] = params[:path]
+        params[:path] += "-#{tmp_filename}"
+      end
+
       params[:import_type] = 'gitlab_project'
       params[:import_source] = import_upload_path
-      params[:import_data] = { data: { override_params: @override_params } } if @override_params
+      params[:import_data] = { data: data } if data.present?
 
       ::Projects::CreateService.new(current_user, params).execute
     end
@@ -31,5 +40,17 @@ module Projects
     def tmp_filename
       SecureRandom.hex
     end
+
+    def overwrite_project?
+      @overwrite && project_with_same_full_path?
+    end
+
+    def project_with_same_full_path?
+      Project.find_by_full_path("#{current_namespace.full_path}/#{params[:path]}").present?
+    end
+
+    def current_namespace
+      @current_namespace ||= Namespace.find_by(id: params[:namespace_id])
+    end
   end
 end

app/services/projects/move_access_service.rb

+module Projects
+  class MoveAccessService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super
+
+      @project.with_transaction_returning_status do
+        if @project.namespace != source_project.namespace
+          @project.run_after_commit do
+            source_project.namespace.refresh_project_authorizations
+            self.namespace.refresh_project_authorizations
+          end
+        end
+
+        ::Projects::MoveProjectMembersService.new(@project, @current_user)
+          .execute(source_project, remove_remaining_elements: remove_remaining_elements)
+        ::Projects::MoveProjectGroupLinksService.new(@project, @current_user)
+          .execute(source_project, remove_remaining_elements: remove_remaining_elements)
+        ::Projects::MoveProjectAuthorizationsService.new(@project, @current_user)
+          .execute(source_project, remove_remaining_elements: remove_remaining_elements)
+
+        success
+      end
+    end
+  end
+end

app/services/projects/move_deploy_keys_projects_service.rb

+module Projects
+  class MoveDeployKeysProjectsService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super
+
+      Project.transaction(requires_new: true) do
+        move_deploy_keys_projects
+        remove_remaining_deploy_keys_projects if remove_remaining_elements
+
+        success
+      end
+    end
+
+    private
+
+    def move_deploy_keys_projects
+      prepare_relation(non_existent_deploy_keys_projects)
+        .update_all(project_id: @project.id)
+    end
+
+    def non_existent_deploy_keys_projects
+      source_project.deploy_keys_projects
+                    .joins(:deploy_key)
+                    .where.not(keys: { fingerprint: @project.deploy_keys.select(:fingerprint) })
+    end
+
+    def remove_remaining_deploy_keys_projects
+      source_project.deploy_keys_projects.destroy_all
+    end
+  end
+end

app/services/projects/move_forks_service.rb

+module Projects
+  class MoveForksService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super && source_project.fork_network
+
+      Project.transaction(requires_new: true) do
+        move_forked_project_links
+        move_fork_network_members
+        update_root_project
+        refresh_forks_count
+
+        success
+      end
+    end
+
+    private
+
+    def move_forked_project_links
+      # Update ancestor
+      ForkedProjectLink.where(forked_to_project: source_project)
+                       .update_all(forked_to_project_id: @project.id)
+
+      # Update the descendants
+      ForkedProjectLink.where(forked_from_project: source_project)
+                       .update_all(forked_from_project_id: @project.id)
+    end
+
+    def move_fork_network_members
+      ForkNetworkMember.where(project: source_project).update_all(project_id: @project.id)
+      ForkNetworkMember.where(forked_from_project: source_project).update_all(forked_from_project_id: @project.id)
+    end
+
+    def update_root_project
+      # Update root network project
+      ForkNetwork.where(root_project: source_project).update_all(root_project_id: @project.id)
+    end
+
+    def refresh_forks_count
+      Projects::ForksCountService.new(@project).refresh_cache
+    end
+  end
+end

app/services/projects/move_lfs_objects_projects_service.rb

+module Projects
+  class MoveLfsObjectsProjectsService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super
+
+      Project.transaction(requires_new: true) do
+        move_lfs_objects_projects
+        remove_remaining_lfs_objects_project if remove_remaining_elements
+
+        success
+      end
+    end
+
+    private
+
+    def move_lfs_objects_projects
+      prepare_relation(non_existent_lfs_objects_projects)
+        .update_all(project_id: @project.lfs_storage_project.id)
+    end
+
+    def remove_remaining_lfs_objects_project
+      source_project.lfs_objects_projects.destroy_all
+    end
+
+    def non_existent_lfs_objects_projects
+      source_project.lfs_objects_projects.where.not(lfs_object: @project.lfs_objects)
+    end
+  end
+end

app/services/projects/move_notification_settings_service.rb

+module Projects
+  class MoveNotificationSettingsService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super
+
+      Project.transaction(requires_new: true) do
+        move_notification_settings
+        remove_remaining_notification_settings if remove_remaining_elements
+
+        success
+      end
+    end
+
+    private
+
+    def move_notification_settings
+      prepare_relation(non_existent_notifications)
+        .update_all(source_id: @project.id)
+    end
+
+    # Remove remaining notification settings from source_project
+    def remove_remaining_notification_settings
+      source_project.notification_settings.destroy_all
+    end
+
+    # Get users of current notification_settings
+    def users_in_target_project
+      @project.notification_settings.select(:user_id)
+    end
+
+    # Look for notification_settings in source_project that are not in the target project
+    def non_existent_notifications
+      source_project.notification_settings
+        .select(:id)
+        .where.not(user_id: users_in_target_project)
+    end
+  end
+end

app/services/projects/move_project_authorizations_service.rb

+# NOTE: This service cannot be used directly because it is part of a
+# a bigger process. Instead, use the service MoveAccessService which moves
+# project memberships, project group links, authorizations and refreshes
+# the authorizations if neccessary
+module Projects
+  class MoveProjectAuthorizationsService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super
+
+      Project.transaction(requires_new: true) do
+        move_project_authorizations
+
+        remove_remaining_authorizations if remove_remaining_elements
+
+        success
+      end
+    end
+
+    private
+
+    def move_project_authorizations
+      prepare_relation(non_existent_authorization, :user_id)
+        .update_all(project_id: @project.id)
+    end
+
+    def remove_remaining_authorizations
+      # I think because the Project Authorization table does not have a primary key
+      # it brings a lot a problems/bugs. First, Rails raises PG::SyntaxException if we use
+      # destroy_all instead of delete_all.
+      source_project.project_authorizations.delete_all(:delete_all)
+    end
+
+    # Look for authorizations in source_project that are not in the target project
+    def non_existent_authorization
+      source_project.project_authorizations
+                    .select(:user_id)
+                    .where.not(user: @project.authorized_users)
+    end
+  end
+end

app/services/projects/move_project_group_links_service.rb

+# NOTE: This service cannot be used directly because it is part of a
+# a bigger process. Instead, use the service MoveAccessService which moves
+# project memberships, project group links, authorizations and refreshes
+# the authorizations if neccessary
+module Projects
+  class MoveProjectGroupLinksService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super
+
+      Project.transaction(requires_new: true) do
+        move_group_links
+        remove_remaining_project_group_links if remove_remaining_elements
+
+        success
+      end
+    end
+
+    private
+
+    def move_group_links
+      prepare_relation(non_existent_group_links)
+        .update_all(project_id: @project.id)
+    end
+
+    # Remove remaining project group links from source_project
+    def remove_remaining_project_group_links
+      source_project.reload.project_group_links.destroy_all
+    end
+
+    def group_links_in_target_project
+      @project.project_group_links.select(:group_id)
+    end
+
+    # Look for groups in source_project that are not in the target project
+    def non_existent_group_links
+      source_project.project_group_links
+                    .where.not(group_id: group_links_in_target_project)
+    end
+  end
+end

app/services/projects/move_project_members_service.rb

+# NOTE: This service cannot be used directly because it is part of a
+# a bigger process. Instead, use the service MoveAccessService which moves
+# project memberships, project group links, authorizations and refreshes
+# the authorizations if neccessary
+module Projects
+  class MoveProjectMembersService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super
+
+      Project.transaction(requires_new: true) do
+        move_project_members
+        remove_remaining_members if remove_remaining_elements
+
+        success
+      end
+    end
+
+    private
+
+    def move_project_members
+      prepare_relation(non_existent_members).update_all(source_id: @project.id)
+    end
+
+    def remove_remaining_members
+      # Remove remaining members and authorizations from source_project
+      source_project.project_members.destroy_all
+    end
+
+    def project_members_in_target_project
+      @project.project_members.select(:user_id)
+    end
+
+    # Look for members in source_project that are not in the target project
+    def non_existent_members
+      source_project.members
+                    .select(:id)
+                    .where.not(user_id: @project.project_members.select(:user_id))
+    end
+  end
+end

app/services/projects/move_users_star_projects_service.rb

+module Projects
+  class MoveUsersStarProjectsService < BaseMoveRelationsService
+    def execute(source_project, remove_remaining_elements: true)
+      return unless super
+
+      user_stars = source_project.users_star_projects
+
+      return unless user_stars.any?
+
+      Project.transaction(requires_new: true) do
+        user_stars.update_all(project_id: @project.id)
+
+        Project.reset_counters @project.id, :users_star_projects
+        Project.reset_counters source_project.id, :users_star_projects
+
+        success
+      end
+    end
+  end
+end

app/services/projects/overwrite_project_service.rb

+module Projects
+  class OverwriteProjectService < BaseService
+    def execute(source_project)
+      return unless source_project && source_project.namespace == @project.namespace
+
+      Project.transaction do
+        move_before_destroy_relationships(source_project)
+        destroy_old_project(source_project)
+        rename_project(source_project.name, source_project.path)
+
+        @project
+      end
+    # Projects::DestroyService can raise Exceptions, but we don't want
+    # to pass that kind of exception to the caller. Instead, we change it
+    # for a StandardError exception
+    rescue Exception => e # rubocop:disable Lint/RescueException
+      attempt_restore_repositories(source_project)
+
+      if e.class == Exception
+        raise StandardError, e.message
+      else
+        raise
+      end
+    end
+
+    private
+
+    def move_before_destroy_relationships(source_project)
+      options = { remove_remaining_elements: false }
+
+      ::Projects::MoveUsersStarProjectsService.new(@project, @current_user).execute(source_project, options)
+      ::Projects::MoveAccessService.new(@project, @current_user).execute(source_project, options)
+      ::Projects::MoveDeployKeysProjectsService.new(@project, @current_user).execute(source_project, options)
+      ::Projects::MoveNotificationSettingsService.new(@project, @current_user).execute(source_project, options)
+      ::Projects::MoveForksService.new(@project, @current_user).execute(source_project, options)
+      ::Projects::MoveLfsObjectsProjectsService.new(@project, @current_user).execute(source_project, options)
+      add_source_project_to_fork_network(source_project)
+    end
+
+    def destroy_old_project(source_project)
+      # Delete previous project (synchronously) and unlink relations
+      ::Projects::DestroyService.new(source_project, @current_user).execute
+    end
+
+    def rename_project(name, path)
+      # Update de project's name and path to the original name/path
+      ::Projects::UpdateService.new(@project,
+                                    @current_user,
+                                    { name: name, path: path })
+                               .execute
+    end
+
+    def attempt_restore_repositories(project)
+      ::Projects::DestroyService.new(project, @current_user).attempt_repositories_rollback
+    end
+
+    def add_source_project_to_fork_network(source_project)
+      return unless @project.fork_network
+
+      # Because he have moved all references in the fork network from the source_project
+      # we won't be able to query the database (only through its cached data),
+      # for its former relationships. That's why we're adding it to the network
+      # as a fork of the target project
+      ForkNetworkMember.create!(fork_network: @project.fork_network,
+                                project: source_project,
+                                forked_from_project: @project)
+    end
+  end
+end

app/services/projects/update_pages_service.rb

@@ -74,7 +74,11 @@ module Projects
     end
 
     def extract_archive!(temp_path)
+<<<<<<< HEAD
       if artifacts_filename.ends_with?('.zip')
+=======
+      if artifacts.ends_with?('.zip')
+>>>>>>> upstream/master
         extract_zip_archive!(temp_path)
       else
         raise InvaildStateError, 'unsupported artifacts format'

app/views/projects/buttons/_download.html.haml

 - pipeline = local_assigns.fetch(:pipeline) { project.latest_successful_pipeline_for(ref) }
 
 - if !project.empty_repo? && can?(current_user, :download_code, project)
+  - archive_prefix = "#{project.path}-#{ref.tr('/', '-')}"
   .project-action-button.dropdown.inline>
     %button.btn.has-tooltip{ title: s_('DownloadSource|Download'), 'data-toggle' => 'dropdown', 'aria-label' => s_('DownloadSource|Download') }
       = sprite_icon('download')
@@ -10,16 +11,16 @@
       %li.dropdown-header
         #{ _('Source code') }
       %li
-        = link_to archive_project_repository_path(project, ref: ref, format: 'zip'), rel: 'nofollow', download: '' do
+        = link_to project_archive_path(project, id: tree_join(ref, archive_prefix), format: 'zip'), rel: 'nofollow', download: '' do
           %span=  _('Download zip')
       %li
-        = link_to archive_project_repository_path(project, ref: ref, format: 'tar.gz'), rel: 'nofollow', download: '' do
+        = link_to project_archive_path(project, id: tree_join(ref, archive_prefix), format: 'tar.gz'), rel: 'nofollow', download: '' do
           %span= _('Download tar.gz')
       %li
-        = link_to archive_project_repository_path(project, ref: ref, format: 'tar.bz2'), rel: 'nofollow', download: '' do
+        = link_to project_archive_path(project, id: tree_join(ref, archive_prefix), format: 'tar.bz2'), rel: 'nofollow', download: '' do
           %span= _('Download tar.bz2')
       %li
-        = link_to archive_project_repository_path(project, ref: ref, format: 'tar'), rel: 'nofollow', download: '' do
+        = link_to project_archive_path(project, id: tree_join(ref, archive_prefix), format: 'tar'), rel: 'nofollow', download: '' do
           %span= _('Download tar')
 
       - if pipeline && pipeline.latest_builds_with_artifacts.any?

app/views/projects/commits/_commit.html.haml

@@ -26,7 +26,10 @@
 
     .commit-detail.flex-list
       .commit-content
-        = link_to_markdown_field(commit, :title, link, class: "commit-row-message item-title")
+        - if view_details && merge_request
+          = link_to commit.title, project_commit_path(project, commit.id, merge_request_iid: merge_request.iid), class: "commit-row-message item-title"
+        - else
+          = link_to_markdown_field(commit, :title, link, class: "commit-row-message item-title")
         %span.commit-row-message.visible-xs-inline
           ·
           = commit.short_id
@@ -59,9 +62,9 @@
           = render_commit_status(commit, ref: ref)
 
         .js-commit-pipeline-status{ data: { endpoint: pipelines_project_commit_path(project, commit.id) } }
-        = link_to commit.short_id, link, class: "commit-sha btn btn-transparent btn-link"
-        = clipboard_button(text: commit.id, title: _("Copy commit SHA to clipboard"))
-        = link_to_browse_code(project, commit)
 
-        - if view_details && merge_request
-          = link_to "View details", project_commit_path(project, commit.id, merge_request_iid: merge_request.iid), class: "btn btn-default"
+        .commit-sha-group
+          .label.label-monospace
+            = commit.short_id
+          = clipboard_button(text: commit.id, title: _("Copy commit SHA to clipboard"), class: "btn btn-default", container: "body")
+          = link_to_browse_code(project, commit)

changelogs/unreleased/42448-change-commit-row-actions-and-sha-design-for-project-commit-list.yml

+---
+title: Improved visual styles and consistency for commit hash and possible actions
+  across commit lists
+merge_request: 17406
+author:
+type: changed

changelogs/unreleased/fj-41900-import-endpoint-with-overwrite-support.yml

+---
+title: Extend API for importing a project export with overwrite support
+merge_request: 17883
+author:
+type: added

changelogs/unreleased/jramsay-38830-tarball.yml

+---
+title: Add alternate archive route for simplified packaging
+merge_request: 17225
+author:
+type: added

changelogs/unreleased/remove-pages-tar-support.yml

+---
+title: Remove support for legacy tar.gz pages artifacts
+merge_request: 18090
+author:
+type: deprecated

config/routes/project.rb

@@ -287,6 +287,8 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
       end
 
       scope '-' do
+        get 'archive/*id', constraints: { format: Gitlab::PathRegex.archive_formats_regex, id: /.+?/ }, to: 'repositories#archive', as: 'archive'
+
         resources :jobs, only: [:index, :show], constraints: { id: /\d+/ } do
           collection do
             post :cancel_all

config/routes/repository.rb

@@ -2,10 +2,11 @@
 
 resource :repository, only: [:create] do
   member do
-    get ':ref/archive', constraints: { format: Gitlab::PathRegex.archive_formats_regex, ref: /.+/ }, action: 'archive', as: 'archive'
-
     # deprecated since GitLab 9.5
-    get 'archive', constraints: { format: Gitlab::PathRegex.archive_formats_regex }, as: 'archive_alternative'
+    get 'archive', constraints: { format: Gitlab::PathRegex.archive_formats_regex }, as: 'archive_alternative', defaults: { append_sha: true }
+
+    # deprecated since GitLab 10.7
+    get ':id/archive', constraints: { format: Gitlab::PathRegex.archive_formats_regex, id: /.+/ }, action: 'archive', as: 'archive_deprecated', defaults: { append_sha: true }
   end
 end
 

doc/administration/index.md

@@ -47,8 +47,11 @@ Learn how to install, configure, update, and maintain your GitLab instance.
 [source installations](../install/installation.md#installation-from-source).
 - [Environment variables](environment_variables.md): Supported environment variables that can be used to override their defaults values in order to configure GitLab.
 - [Plugins](plugins.md): With custom plugins, GitLab administrators can introduce custom integrations without modifying GitLab's source code.
+<<<<<<< HEAD
 - **(Starter/Premium)** [Elasticsearch](../integration/elasticsearch.md): Enable Elasticsearch to empower GitLab's Advanced Global Search. Useful when you deal with a huge amount of data.
 - **(Premium)** [External Classification Policy Authorization](../user/admin_area/settings/external_authorization.md)
+=======
+>>>>>>> upstream/master
 
 #### Customizing GitLab's appearance
 

doc/api/project_import_export.md

@@ -111,6 +111,7 @@ POST /projects/import
 | `namespace` | integer/string | no | The ID or path of the namespace that the project will be imported to. Defaults to the current user's namespace |
 | `file` | string | yes | The file to be uploaded |
 | `path` | string | yes | Name and path for new project |
+| `overwrite` | boolean | no | If there is a project with the same path the import will overwrite it. Default to false |
 | `override_params` | Hash | no | Supports all fields defined in the [Project API](projects.md)] |
 
 The override params passed will take precendence over all values defined inside the export file.

doc/ci/variables/README.md

@@ -570,6 +570,7 @@ You can find a full list of unsupported variables below:
 
 These variables are also not supported in a contex of a
 [dynamic environment name][dynamic-environments].
+<<<<<<< HEAD
 
 ### Secret variables with an environment scope
 
@@ -589,6 +590,8 @@ my-job:
     variables:
       - $STAGING_SECRET == 'something'
 ```
+=======
+>>>>>>> upstream/master
 
 [ee-2112]: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2112
 [ce-13784]: https://gitlab.com/gitlab-org/gitlab-ce/issues/13784 "Simple protection of CI secret variables"
@@ -603,4 +606,7 @@ my-job:
 [subgroups]: ../../user/group/subgroups/index.md
 [builds-policies]: ../yaml/README.md#only-and-except-complex
 [dynamic-environments]: ../environments.md#dynamic-environments
+<<<<<<< HEAD
 [trigger-job-token]: ../triggers/README.md#ci-job-token
+=======
+>>>>>>> upstream/master

doc/ci/yaml/README.md

@@ -1713,5 +1713,8 @@ CI with various languages.
 [ce-12909]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12909
 [schedules]: ../../user/project/pipelines/schedules.md
 [variables-expressions]: ../variables/README.md#variables-expressions
+<<<<<<< HEAD
 [ee]: https://about.gitlab.com/gitlab-ee/
 [gitlab-versions]: https://about.gitlab.com/products/
+=======
+>>>>>>> upstream/master

lib/api/helpers.rb

@@ -507,8 +507,8 @@ module API
       header(*Gitlab::Workhorse.send_git_blob(repository, blob))
     end
 
-    def send_git_archive(repository, ref:, format:)
-      header(*Gitlab::Workhorse.send_git_archive(repository, ref: ref, format: format))
+    def send_git_archive(repository, **kwargs)
+      header(*Gitlab::Workhorse.send_git_archive(repository, **kwargs))
     end
 
     def send_artifacts_entry(build, entry)

lib/api/project_import.rb

@@ -26,6 +26,7 @@ module API
         requires :path, type: String, desc: 'The new project path and name'
         requires :file, type: File, desc: 'The project export file to be imported'
         optional :namespace, type: String, desc: "The ID or name of the namespace that the project will be imported into. Defaults to the current user's namespace."
+        optional :overwrite, type: Boolean, default: false, desc: 'If there is a project in the same namespace and with the same name overwrite it'
         optional :override_params,
                  type: Hash,
                  desc: 'New project params to override values in the export' do
@@ -50,7 +51,8 @@ module API
         project_params = {
             path: import_params[:path],
             namespace_id: namespace.id,
-            file: import_params[:file]['tempfile']
+            file: import_params[:file]['tempfile'],
+            overwrite: import_params[:overwrite]
         }
 
         override_params = import_params.delete(:override_params)

lib/api/repositories.rb

@@ -88,7 +88,7 @@ module API
       end
       get ':id/repository/archive', requirements: { format: Gitlab::PathRegex.archive_formats_regex } do
         begin
-          send_git_archive user_project.repository, ref: params[:sha], format: params[:format]
+          send_git_archive user_project.repository, ref: params[:sha], format: params[:format], append_sha: true
         rescue
           not_found!('File')
         end

lib/api/v3/repositories.rb

@@ -75,7 +75,7 @@ module API
         end
         get ':id/repository/archive', requirements: { format: Gitlab::PathRegex.archive_formats_regex } do
           begin
-            send_git_archive user_project.repository, ref: params[:sha], format: params[:format]
+            send_git_archive user_project.repository, ref: params[:sha], format: params[:format], append_sha: true
           rescue
             not_found!('File')
           end

lib/gitlab/git/repository.rb

@@ -394,17 +394,24 @@ module Gitlab
         nil
       end
 
-      def archive_prefix(ref, sha)
+      def archive_prefix(ref, sha, append_sha:)
+        append_sha = (ref != sha) if append_sha.nil?
+
         project_name = self.name.chomp('.git')
-        "#{project_name}-#{ref.tr('/', '-')}-#{sha}"
+        formatted_ref = ref.tr('/', '-')
+
+        prefix_segments = [project_name, formatted_ref]
+        prefix_segments << sha if append_sha
+
+        prefix_segments.join('-')
       end
 
-      def archive_metadata(ref, storage_path, format = "tar.gz")
+      def archive_metadata(ref, storage_path, format = "tar.gz", append_sha:)
         ref ||= root_ref
         commit = Gitlab::Git::Commit.find(self, ref)
         return {} if commit.nil?
 
-        prefix = archive_prefix(ref, commit.id)
+        prefix = archive_prefix(ref, commit.id, append_sha: append_sha)
 
         {
           'RepoPath' => path,

lib/gitlab/import_export/importer.rb

 module Gitlab
   module ImportExport
     class Importer
+      include Gitlab::Allowable
+      include Gitlab::Utils::StrongMemoize
+
       def self.imports_repository?
         true
       end
@@ -13,12 +16,14 @@ module Gitlab
       end
 
       def execute
-        if import_file && check_version! && restorers.all?(&:restore)
+        if import_file && check_version! && restorers.all?(&:restore) && overwrite_project
           project_tree.restored_project
         else
           raise Projects::ImportService::Error.new(@shared.errors.join(', '))
         end
-
+      rescue => e
+        raise Projects::ImportService::Error.new(e.message)
+      ensure
         remove_import_file
       end
 
@@ -26,7 +31,7 @@ module Gitlab
 
       def restorers
         [repo_restorer, wiki_restorer, project_tree, avatar_restorer,
-         uploads_restorer, lfs_restorer]
+         uploads_restorer, lfs_restorer, statistics_restorer]
       end
 
       def import_file
@@ -69,6 +74,10 @@ module Gitlab
         Gitlab::ImportExport::LfsRestorer.new(project: project_tree.restored_project, shared: @shared)
       end
 
+      def statistics_restorer
+        Gitlab::ImportExport::StatisticsRestorer.new(project: project_tree.restored_project, shared: @shared)
+      end
+
       def path_with_namespace
         File.join(@project.namespace.full_path, @project.path)
       end
@@ -84,6 +93,33 @@ module Gitlab
       def remove_import_file
         FileUtils.rm_rf(@archive_file)
       end
+
+      def overwrite_project
+        project = project_tree.restored_project
+
+        return unless can?(@current_user, :admin_namespace, project.namespace)
+
+        if overwrite_project?
+          ::Projects::OverwriteProjectService.new(project, @current_user)
+                                             .execute(project_to_overwrite)
+        end
+
+        true
+      end
+
+      def original_path
+        @project.import_data&.data&.fetch('original_path', nil)
+      end
+
+      def overwrite_project?
+        original_path.present? && project_to_overwrite.present?
+      end
+
+      def project_to_overwrite
+        strong_memoize(:project_to_overwrite) do
+          Project.find_by_full_path("#{@project.namespace.full_path}/#{original_path}")
+        end
+      end
     end
   end
 end

lib/gitlab/import_export/project_tree_restorer.rb

@@ -92,7 +92,7 @@ module Gitlab
       end
 
       def override_params
-        return {} unless params = @project.import_data&.data&.fetch('override_params')
+        return {} unless params = @project.import_data&.data&.fetch('override_params', nil)
 
         @override_params ||= params.select do |key, _value|
           Project.column_names.include?(key.to_s) &&

lib/gitlab/import_export/statistics_restorer.rb

+module Gitlab
+  module ImportExport
+    class StatisticsRestorer
+      def initialize(project:, shared:)
+        @project = project
+        @shared = shared
+      end
+
+      def restore
+        @project.statistics.refresh!
+      rescue => e
+        @shared.error(e)
+        false
+      end
+    end
+  end
+end

lib/gitlab/workhorse.rb

@@ -59,10 +59,10 @@ module Gitlab
         ]
       end
 
-      def send_git_archive(repository, ref:, format:)
+      def send_git_archive(repository, ref:, format:, append_sha:)
         format ||= 'tar.gz'
         format.downcase!
-        params = repository.archive_metadata(ref, Gitlab.config.gitlab.repository_downloads_path, format)
+        params = repository.archive_metadata(ref, Gitlab.config.gitlab.repository_downloads_path, format, append_sha: append_sha)
         raise "Repository or ref not found" if params.empty?
 
         if Gitlab::GitalyClient.feature_enabled?(:workhorse_archive, status: Gitlab::GitalyClient::MigrationStatus::OPT_OUT)

spec/controllers/projects/repositories_controller_spec.rb

@@ -6,7 +6,7 @@ describe Projects::RepositoriesController do
   describe "GET archive" do
     context 'as a guest' do
       it 'responds with redirect in correct format' do
-        get :archive, namespace_id: project.namespace, project_id: project, format: "zip", ref: 'master'
+        get :archive, namespace_id: project.namespace, project_id: project, id: "master", format: "zip"
 
         expect(response.header["Content-Type"]).to start_with('text/html')
         expect(response).to be_redirect
@@ -22,18 +22,25 @@ describe Projects::RepositoriesController do
       end
 
       it "uses Gitlab::Workhorse" do
-        get :archive, namespace_id: project.namespace, project_id: project, ref: "master", format: "zip"
+        get :archive, namespace_id: project.namespace, project_id: project, id: "master", format: "zip"
 
         expect(response.header[Gitlab::Workhorse::SEND_DATA_HEADER]).to start_with("git-archive:")
       end
 
+      it 'responds with redirect to the short name archive if fully qualified' do
+        get :archive, namespace_id: project.namespace, project_id: project, id: "master/#{project.path}-master", format: "zip"
+
+        expect(assigns(:ref)).to eq("master")
+        expect(response.header[Gitlab::Workhorse::SEND_DATA_HEADER]).to start_with("git-archive:")
+      end
+
       context "when the service raises an error" do
         before do
           allow(Gitlab::Workhorse).to receive(:send_git_archive).and_raise("Archive failed")
         end
 
         it "renders Not Found" do
-          get :archive, namespace_id: project.namespace, project_id: project, ref: "master", format: "zip"
+          get :archive, namespace_id: project.namespace, project_id: project, id: "master", format: "zip"
 
           expect(response).to have_gitlab_http_status(404)
         end

spec/factories/users_star_projects.rb

+FactoryBot.define do
+  factory :users_star_project do
+    project
+    user
+  end
+end

spec/lib/gitlab/git/repository_spec.rb

@@ -247,38 +247,44 @@ describe Gitlab::Git::Repository, seed_helper: true do
     end
 
     it 'returns parameterised string for a ref containing slashes' do
-      prefix = repository.archive_prefix('test/branch', 'SHA')
+      prefix = repository.archive_prefix('test/branch', 'SHA', append_sha: nil)
 
       expect(prefix).to eq("#{project_name}-test-branch-SHA")
     end
 
     it 'returns correct string for a ref containing dots' do
-      prefix = repository.archive_prefix('test.branch', 'SHA')
+      prefix = repository.archive_prefix('test.branch', 'SHA', append_sha: nil)
 
       expect(prefix).to eq("#{project_name}-test.branch-SHA")
     end
+
+    it 'returns string with sha when append_sha is false' do
+      prefix = repository.archive_prefix('test.branch', 'SHA', append_sha: false)
+
+      expect(prefix).to eq("#{project_name}-test.branch")
+    end
   end
 
   describe '#archive' do
-    let(:metadata) { repository.archive_metadata('master', '/tmp') }
+    let(:metadata) { repository.archive_metadata('master', '/tmp', append_sha: true) }
 
     it_should_behave_like 'archive check', '.tar.gz'
   end
 
   describe '#archive_zip' do
-    let(:metadata) { repository.archive_metadata('master', '/tmp', 'zip') }
+    let(:metadata) { repository.archive_metadata('master', '/tmp', 'zip', append_sha: true) }
 
     it_should_behave_like 'archive check', '.zip'
   end
 
   describe '#archive_bz2' do
-    let(:metadata) { repository.archive_metadata('master', '/tmp', 'tbz2') }
+    let(:metadata) { repository.archive_metadata('master', '/tmp', 'tbz2', append_sha: true) }
 
     it_should_behave_like 'archive check', '.tar.bz2'
   end
 
   describe '#archive_fallback' do
-    let(:metadata) { repository.archive_metadata('master', '/tmp', 'madeup') }
+    let(:metadata) { repository.archive_metadata('master', '/tmp', 'madeup', append_sha: true) }
 
     it_should_behave_like 'archive check', '.tar.gz'
   end

spec/lib/gitlab/import_export/importer_spec.rb

 require 'spec_helper'
 
 describe Gitlab::ImportExport::Importer do
+  let(:user) { create(:user) }
   let(:test_path) { "#{Dir.tmpdir}/importer_spec" }
   let(:shared) { project.import_export_shared }
   let(:project) { create(:project, import_source: File.join(test_path, 'exported-project.gz')) }
@@ -11,6 +12,7 @@ describe Gitlab::ImportExport::Importer do
     allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(test_path)
     FileUtils.mkdir_p(shared.export_path)
     FileUtils.cp(Rails.root.join('spec', 'fixtures', 'exported-project.gz'), test_path)
+    allow(subject).to receive(:remove_import_file)
   end
 
   after do
@@ -42,7 +44,8 @@ describe Gitlab::ImportExport::Importer do
         Gitlab::ImportExport::RepoRestorer,
         Gitlab::ImportExport::WikiRestorer,
         Gitlab::ImportExport::UploadsRestorer,
-        Gitlab::ImportExport::LfsRestorer
+        Gitlab::ImportExport::LfsRestorer,
+        Gitlab::ImportExport::StatisticsRestorer
       ].each do |restorer|
         it "calls the #{restorer}" do
           fake_restorer = double(restorer.to_s)
@@ -60,5 +63,42 @@ describe Gitlab::ImportExport::Importer do
         importer.execute
       end
     end
+
+    context 'when project successfully restored' do
+      let!(:existing_project) { create(:project, namespace: user.namespace) }
+      let(:project) { create(:project, namespace: user.namespace, name: 'whatever', path: 'whatever') }
+
+      before do
+        restorers = double
+
+        allow(subject).to receive(:import_file).and_return(true)
+        allow(subject).to receive(:check_version!).and_return(true)
+        allow(subject).to receive(:restorers).and_return(restorers)
+        allow(restorers).to receive(:all?).and_return(true)
+        allow(project).to receive(:import_data).and_return(double(data: { 'original_path' => existing_project.path }))
+      end
+
+      context 'when import_data' do
+        context 'has original_path' do
+          it 'overwrites existing project' do
+            expect_any_instance_of(::Projects::OverwriteProjectService).to receive(:execute).with(existing_project)
+
+            subject.execute
+          end
+        end
+
+        context 'has not original_path' do
+          before do
+            allow(project).to receive(:import_data).and_return(double(data: {}))
+          end
+
+          it 'does not call the overwrite service' do
+            expect_any_instance_of(::Projects::OverwriteProjectService).not_to receive(:execute).with(existing_project)
+
+            subject.execute
+          end
+        end
+      end
+    end
   end
 end

spec/lib/gitlab/workhorse_spec.rb

@@ -16,7 +16,7 @@ describe Gitlab::Workhorse do
     let(:ref) { 'master' }
     let(:format) { 'zip' }
     let(:storage_path) { Gitlab.config.gitlab.repository_downloads_path }
-    let(:base_params) { repository.archive_metadata(ref, storage_path, format) }
+    let(:base_params) { repository.archive_metadata(ref, storage_path, format, append_sha: nil) }
     let(:gitaly_params) do
       base_params.merge(
         'GitalyServer' => {
@@ -29,7 +29,7 @@ describe Gitlab::Workhorse do
     let(:cache_disabled) { false }
 
     subject do
-      described_class.send_git_archive(repository, ref: ref, format: format)
+      described_class.send_git_archive(repository, ref: ref, format: format, append_sha: nil)
     end
 
     before do

spec/models/environment_spec.rb

@@ -369,6 +369,7 @@ describe Environment do
   end
 
   describe '#deployment_platform' do
+<<<<<<< HEAD
     before do
       stub_licensed_features(multiple_clusters: true)
     end
@@ -376,6 +377,12 @@ describe Environment do
     context 'when there is a deployment platform for environment' do
       let!(:cluster) do
         create(:cluster, :provided_by_gcp, projects: [project])
+=======
+    context 'when there is a deployment platform for environment' do
+      let!(:cluster) do
+        create(:cluster, :provided_by_gcp,
+               environment_scope: '*', projects: [project])
+>>>>>>> upstream/master
       end
 
       it 'finds a deployment platform' do

spec/requests/api/project_import_spec.rb

@@ -114,6 +114,29 @@ describe API::ProjectImport do
       expect(import_project.description).to eq('Hello world')
     end
 
+    context 'when target path already exists in namespace' do
+      let(:existing_project) { create(:project, namespace: user.namespace) }
+
+      it 'does not schedule an import' do
+        expect_any_instance_of(Project).not_to receive(:import_schedule)
+
+        post api('/projects/import', user), path: existing_project.path, file: fixture_file_upload(file)
+
+        expect(response).to have_gitlab_http_status(400)
+        expect(json_response['message']).to eq('Name has already been taken')
+      end
+
+      context 'when param overwrite is true' do
+        it 'schedules an import' do
+          stub_import(user.namespace)
+
+          post api('/projects/import', user), path: existing_project.path, file: fixture_file_upload(file), overwrite: true
+
+          expect(response).to have_gitlab_http_status(201)
+        end
+      end
+    end
+
     def stub_import(namespace)
       expect_any_instance_of(Project).to receive(:import_schedule)
       expect(::Projects::CreateService).to receive(:new).with(user, hash_including(namespace_id: namespace.id)).and_call_original

spec/routing/project_routing_spec.rb

@@ -164,20 +164,36 @@ describe 'project routing' do
   #  archive_project_repository GET    /:project_id/repository/archive(.:format)  projects/repositories#archive
   #     edit_project_repository GET    /:project_id/repository/edit(.:format)     projects/repositories#edit
   describe Projects::RepositoriesController, 'routing' do
-    it 'to #archive' do
-      expect(get('/gitlab/gitlabhq/repository/master/archive')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', ref: 'master')
-    end
-
     it 'to #archive format:zip' do
-      expect(get('/gitlab/gitlabhq/repository/master/archive.zip')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', format: 'zip', ref: 'master')
+      expect(get('/gitlab/gitlabhq/-/archive/master/archive.zip')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', format: 'zip', id: 'master/archive')
     end
 
     it 'to #archive format:tar.bz2' do
-      expect(get('/gitlab/gitlabhq/repository/master/archive.tar.bz2')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', format: 'tar.bz2', ref: 'master')
+      expect(get('/gitlab/gitlabhq/-/archive/master/archive.tar.bz2')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', format: 'tar.bz2', id: 'master/archive')
     end
 
     it 'to #archive with "/" in route' do
-      expect(get('/gitlab/gitlabhq/repository/improve/awesome/archive')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', ref: 'improve/awesome')
+      expect(get('/gitlab/gitlabhq/-/archive/improve/awesome/gitlabhq-improve-awesome.tar.gz')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', format: 'tar.gz', id: 'improve/awesome/gitlabhq-improve-awesome')
+    end
+
+    it 'to #archive_alternative' do
+      expect(get('/gitlab/gitlabhq/repository/archive')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', append_sha: true)
+    end
+
+    it 'to #archive_deprecated' do
+      expect(get('/gitlab/gitlabhq/repository/master/archive')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'master', append_sha: true)
+    end
+
+    it 'to #archive_deprecated format:zip' do
+      expect(get('/gitlab/gitlabhq/repository/master/archive.zip')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', format: 'zip', id: 'master', append_sha: true)
+    end
+
+    it 'to #archive_deprecated format:tar.bz2' do
+      expect(get('/gitlab/gitlabhq/repository/master/archive.tar.bz2')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', format: 'tar.bz2', id: 'master', append_sha: true)
+    end
+
+    it 'to #archive_deprecated with "/" in route' do
+      expect(get('/gitlab/gitlabhq/repository/improve/awesome/archive')).to route_to('projects/repositories#archive', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'improve/awesome', append_sha: true)
     end
   end
 

spec/services/projects/destroy_service_spec.rb

@@ -261,6 +261,28 @@ describe Projects::DestroyService do
     end
   end
 
+  context '#attempt_restore_repositories' do
+    let(:path) { project.disk_path + '.git' }
+
+    before do
+      expect(project.gitlab_shell.exists?(project.repository_storage_path, path)).to be_truthy
+      expect(project.gitlab_shell.exists?(project.repository_storage_path, remove_path)).to be_falsey
+
+      # Dont run sidekiq to check if renamed repository exists
+      Sidekiq::Testing.fake! { destroy_project(project, user, {}) }
+
+      expect(project.gitlab_shell.exists?(project.repository_storage_path, path)).to be_falsey
+      expect(project.gitlab_shell.exists?(project.repository_storage_path, remove_path)).to be_truthy
+    end
+
+    it 'restores the repositories' do
+      Sidekiq::Testing.fake! { described_class.new(project, user).attempt_repositories_rollback }
+
+      expect(project.gitlab_shell.exists?(project.repository_storage_path, path)).to be_truthy
+      expect(project.gitlab_shell.exists?(project.repository_storage_path, remove_path)).to be_falsey
+    end
+  end
+
   def destroy_project(project, user, params = {})
     if async
       Projects::DestroyService.new(project, user, params).async_execute

spec/services/projects/gitlab_projects_import_service_spec.rb

@@ -4,7 +4,8 @@ describe Projects::GitlabProjectsImportService do
   set(:namespace) { create(:namespace) }
   let(:path) { 'test-path' }
   let(:file) { fixture_file_upload(Rails.root + 'spec/fixtures/doc_sample.txt', 'text/plain') }
-  let(:import_params) { { namespace_id: namespace.id, path: path, file: file } }
+  let(:overwrite) { false }
+  let(:import_params) { { namespace_id: namespace.id, path: path, file: file, overwrite: overwrite } }
   subject { described_class.new(namespace.owner, import_params) }
 
   describe '#execute' do
@@ -37,5 +38,28 @@ describe Projects::GitlabProjectsImportService do
         expect(project.import_data.data['override_params']['description']).to eq('Hello')
       end
     end
+
+    context 'when there is a project with the same path' do
+      let(:existing_project) { create(:project, namespace: namespace) }
+      let(:path) { existing_project.path}
+
+      it 'does not create the project' do
+        project = subject.execute
+
+        expect(project).to be_invalid
+        expect(project).not_to be_persisted
+      end
+
+      context 'when overwrite param is set' do
+        let(:overwrite) { true }
+
+        it 'creates a project in a temporary full_path' do
+          project = subject.execute
+
+          expect(project).to be_valid
+          expect(project).to be_persisted
+        end
+      end
+    end
   end
 end

spec/services/projects/move_access_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveAccessService do
+  let(:user) { create(:user) }
+  let(:group) { create(:group) }
+  let(:project_with_access) { create(:project, namespace: user.namespace) }
+  let(:master_user) { create(:user) }
+  let(:reporter_user) { create(:user) }
+  let(:developer_user) { create(:user) }
+  let(:master_group) { create(:group) }
+  let(:reporter_group) { create(:group) }
+  let(:developer_group) { create(:group) }
+
+  before do
+    project_with_access.add_master(master_user)
+    project_with_access.add_developer(developer_user)
+    project_with_access.add_reporter(reporter_user)
+    project_with_access.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+    project_with_access.project_group_links.create(group: developer_group, group_access: Gitlab::Access::DEVELOPER)
+    project_with_access.project_group_links.create(group: reporter_group, group_access: Gitlab::Access::REPORTER)
+  end
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    shared_examples 'move the accesses' do
+      it do
+        expect(project_with_access.project_members.count).to eq 4
+        expect(project_with_access.project_group_links.count).to eq 3
+        expect(project_with_access.authorized_users.count).to eq 4
+
+        subject.execute(project_with_access)
+
+        expect(project_with_access.project_members.count).to eq 0
+        expect(project_with_access.project_group_links.count).to eq 0
+        expect(project_with_access.authorized_users.count).to eq 1
+        expect(target_project.project_members.count).to eq 4
+        expect(target_project.project_group_links.count).to eq 3
+        expect(target_project.authorized_users.count).to eq 4
+      end
+
+      it 'rollbacks if an exception is raised' do
+        allow(subject).to receive(:success).and_raise(StandardError)
+
+        expect { subject.execute(project_with_groups) }.to raise_error(StandardError)
+
+        expect(project_with_access.project_members.count).to eq 4
+        expect(project_with_access.project_group_links.count).to eq 3
+        expect(project_with_access.authorized_users.count).to eq 4
+      end
+    end
+
+    context 'when both projects are in the same namespace' do
+      let(:target_project) { create(:project, namespace: user.namespace) }
+
+      it 'does not refresh project owner authorized projects' do
+        allow(project_with_access).to receive(:namespace).and_return(user.namespace)
+        expect(project_with_access.namespace).not_to receive(:refresh_project_authorizations)
+        expect(target_project.namespace).not_to receive(:refresh_project_authorizations)
+
+        subject.execute(project_with_access)
+      end
+
+      it_behaves_like 'move the accesses'
+    end
+
+    context 'when projects are in different namespaces' do
+      let(:target_project) { create(:project, namespace: group) }
+
+      before do
+        group.add_owner(user)
+      end
+
+      it 'refreshes both project owner authorized projects' do
+        allow(project_with_access).to receive(:namespace).and_return(user.namespace)
+        expect(user.namespace).to receive(:refresh_project_authorizations).once
+        expect(group).to receive(:refresh_project_authorizations).once
+
+        subject.execute(project_with_access)
+      end
+
+      it_behaves_like 'move the accesses'
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:target_project) { create(:project, namespace: user.namespace) }
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining memberships' do
+        target_project.add_master(master_user)
+
+        subject.execute(project_with_access, options)
+
+        expect(project_with_access.project_members.count).not_to eq 0
+      end
+
+      it 'does not remove remaining group links' do
+        target_project.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+
+        subject.execute(project_with_access, options)
+
+        expect(project_with_access.project_group_links.count).not_to eq 0
+      end
+
+      it 'does not remove remaining authorizations' do
+        target_project.add_developer(developer_user)
+
+        subject.execute(project_with_access, options)
+
+        expect(project_with_access.project_authorizations.count).not_to eq 0
+      end
+    end
+  end
+end

spec/services/projects/move_deploy_keys_projects_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveDeployKeysProjectsService do
+  let!(:user) { create(:user) }
+  let!(:project_with_deploy_keys) { create(:project, namespace: user.namespace) }
+  let!(:target_project) { create(:project, namespace: user.namespace) }
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    before do
+      create_list(:deploy_keys_project, 2, project: project_with_deploy_keys)
+    end
+
+    it 'moves the user\'s deploy keys from one project to another' do
+      expect(project_with_deploy_keys.deploy_keys_projects.count).to eq 2
+      expect(target_project.deploy_keys_projects.count).to eq 0
+
+      subject.execute(project_with_deploy_keys)
+
+      expect(project_with_deploy_keys.deploy_keys_projects.count).to eq 0
+      expect(target_project.deploy_keys_projects.count).to eq 2
+    end
+
+    it 'does not link existent deploy_keys in the current project' do
+      target_project.deploy_keys << project_with_deploy_keys.deploy_keys.first
+
+      expect(project_with_deploy_keys.deploy_keys_projects.count).to eq 2
+      expect(target_project.deploy_keys_projects.count).to eq 1
+
+      subject.execute(project_with_deploy_keys)
+
+      expect(project_with_deploy_keys.deploy_keys_projects.count).to eq 0
+      expect(target_project.deploy_keys_projects.count).to eq 2
+    end
+
+    it 'rollbacks changes if transaction fails' do
+      allow(subject).to receive(:success).and_raise(StandardError)
+
+      expect { subject.execute(project_with_deploy_keys) }.to raise_error(StandardError)
+
+      expect(project_with_deploy_keys.deploy_keys_projects.count).to eq 2
+      expect(target_project.deploy_keys_projects.count).to eq 0
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining deploy keys projects' do
+        target_project.deploy_keys << project_with_deploy_keys.deploy_keys.first
+
+        subject.execute(project_with_deploy_keys, options)
+
+        expect(project_with_deploy_keys.deploy_keys_projects.count).not_to eq 0
+      end
+    end
+  end
+end

spec/services/projects/move_forks_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveForksService do
+  include ProjectForksHelper
+
+  let!(:user) { create(:user) }
+  let!(:project_with_forks) { create(:project, namespace: user.namespace) }
+  let!(:target_project) { create(:project, namespace: user.namespace) }
+  let!(:lvl1_forked_project_1) { fork_project(project_with_forks, user) }
+  let!(:lvl1_forked_project_2) { fork_project(project_with_forks, user) }
+  let!(:lvl2_forked_project_1_1) { fork_project(lvl1_forked_project_1, user) }
+  let!(:lvl2_forked_project_1_2) { fork_project(lvl1_forked_project_1, user) }
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    context 'when moving a root forked project' do
+      it 'moves the descendant forks' do
+        expect(project_with_forks.forks.count).to eq 2
+        expect(target_project.forks.count).to eq 0
+
+        subject.execute(project_with_forks)
+
+        expect(project_with_forks.forks.count).to eq 0
+        expect(target_project.forks.count).to eq 2
+        expect(lvl1_forked_project_1.forked_from_project).to eq target_project
+        expect(lvl1_forked_project_1.fork_network_member.forked_from_project).to eq target_project
+        expect(lvl1_forked_project_2.forked_from_project).to eq target_project
+        expect(lvl1_forked_project_2.fork_network_member.forked_from_project).to eq target_project
+      end
+
+      it 'updates the fork network' do
+        expect(project_with_forks.fork_network.root_project).to eq project_with_forks
+        expect(project_with_forks.fork_network.fork_network_members.map(&:project)).to include project_with_forks
+
+        subject.execute(project_with_forks)
+
+        expect(target_project.reload.fork_network.root_project).to eq target_project
+        expect(target_project.fork_network.fork_network_members.map(&:project)).not_to include project_with_forks
+      end
+    end
+
+    context 'when moving a intermediate forked project' do
+      it 'moves the descendant forks' do
+        expect(lvl1_forked_project_1.forks.count).to eq 2
+        expect(target_project.forks.count).to eq 0
+
+        subject.execute(lvl1_forked_project_1)
+
+        expect(lvl1_forked_project_1.forks.count).to eq 0
+        expect(target_project.forks.count).to eq 2
+        expect(lvl2_forked_project_1_1.forked_from_project).to eq target_project
+        expect(lvl2_forked_project_1_1.fork_network_member.forked_from_project).to eq target_project
+        expect(lvl2_forked_project_1_2.forked_from_project).to eq target_project
+        expect(lvl2_forked_project_1_2.fork_network_member.forked_from_project).to eq target_project
+      end
+
+      it 'moves the ascendant fork' do
+        subject.execute(lvl1_forked_project_1)
+
+        expect(target_project.forked_from_project).to eq project_with_forks
+        expect(target_project.fork_network_member.forked_from_project).to eq project_with_forks
+      end
+
+      it 'does not update fork network' do
+        subject.execute(lvl1_forked_project_1)
+
+        expect(target_project.reload.fork_network.root_project).to eq project_with_forks
+      end
+    end
+
+    context 'when moving a leaf forked project' do
+      it 'moves the ascendant fork' do
+        subject.execute(lvl2_forked_project_1_1)
+
+        expect(target_project.forked_from_project).to eq lvl1_forked_project_1
+        expect(target_project.fork_network_member.forked_from_project).to eq lvl1_forked_project_1
+      end
+
+      it 'does not update fork network' do
+        subject.execute(lvl2_forked_project_1_1)
+
+        expect(target_project.reload.fork_network.root_project).to eq project_with_forks
+      end
+    end
+
+    it 'rollbacks changes if transaction fails' do
+      allow(subject).to receive(:success).and_raise(StandardError)
+
+      expect { subject.execute(project_with_forks) }.to raise_error(StandardError)
+
+      expect(project_with_forks.forks.count).to eq 2
+      expect(target_project.forks.count).to eq 0
+    end
+  end
+end

spec/services/projects/move_lfs_objects_projects_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveLfsObjectsProjectsService do
+  let!(:user) { create(:user) }
+  let!(:project_with_lfs_objects) { create(:project, namespace: user.namespace) }
+  let!(:target_project) { create(:project, namespace: user.namespace) }
+
+  subject { described_class.new(target_project, user) }
+
+  before do
+    create_list(:lfs_objects_project, 3, project: project_with_lfs_objects)
+  end
+
+  describe '#execute' do
+    it 'links the lfs objects from existent in source project' do
+      expect(target_project.lfs_objects.count).to eq 0
+
+      subject.execute(project_with_lfs_objects)
+
+      expect(project_with_lfs_objects.reload.lfs_objects.count).to eq 0
+      expect(target_project.reload.lfs_objects.count).to eq 3
+    end
+
+    it 'does not link existent lfs_object in the current project' do
+      target_project.lfs_objects << project_with_lfs_objects.lfs_objects.first(2)
+
+      expect(target_project.lfs_objects.count).to eq 2
+
+      subject.execute(project_with_lfs_objects)
+
+      expect(target_project.lfs_objects.count).to eq 3
+    end
+
+    it 'rollbacks changes if transaction fails' do
+      allow(subject).to receive(:success).and_raise(StandardError)
+
+      expect { subject.execute(project_with_lfs_objects) }.to raise_error(StandardError)
+
+      expect(project_with_lfs_objects.lfs_objects.count).to eq 3
+      expect(target_project.lfs_objects.count).to eq 0
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining lfs objects' do
+        target_project.lfs_objects << project_with_lfs_objects.lfs_objects.first(2)
+
+        subject.execute(project_with_lfs_objects, options)
+
+        expect(project_with_lfs_objects.lfs_objects.count).not_to eq 0
+      end
+    end
+  end
+end

spec/services/projects/move_notification_settings_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveNotificationSettingsService do
+  let(:user) { create(:user) }
+  let(:project_with_notifications) { create(:project, namespace: user.namespace) }
+  let(:target_project) { create(:project, namespace: user.namespace) }
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    context 'with notification settings' do
+      before do
+        create_list(:notification_setting, 2, source: project_with_notifications)
+      end
+
+      it 'moves the user\'s notification settings from one project to another' do
+        expect(project_with_notifications.notification_settings.count).to eq 3
+        expect(target_project.notification_settings.count).to eq 1
+
+        subject.execute(project_with_notifications)
+
+        expect(project_with_notifications.notification_settings.count).to eq 0
+        expect(target_project.notification_settings.count).to eq 3
+      end
+
+      it 'rollbacks changes if transaction fails' do
+        allow(subject).to receive(:success).and_raise(StandardError)
+
+        expect { subject.execute(project_with_notifications) }.to raise_error(StandardError)
+
+        expect(project_with_notifications.notification_settings.count).to eq 3
+        expect(target_project.notification_settings.count).to eq 1
+      end
+    end
+
+    it 'does not move existent notification settings in the current project' do
+      expect(project_with_notifications.notification_settings.count).to eq 1
+      expect(target_project.notification_settings.count).to eq 1
+      expect(user.notification_settings.count).to eq 2
+
+      subject.execute(project_with_notifications)
+
+      expect(user.notification_settings.count).to eq 1
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining notification settings' do
+        subject.execute(project_with_notifications, options)
+
+        expect(project_with_notifications.notification_settings.count).not_to eq 0
+      end
+    end
+  end
+end

spec/services/projects/move_project_authorizations_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveProjectAuthorizationsService do
+  let!(:user) { create(:user) }
+  let(:project_with_users) { create(:project, namespace: user.namespace) }
+  let(:target_project) { create(:project, namespace: user.namespace) }
+  let(:master_user) { create(:user) }
+  let(:reporter_user) { create(:user) }
+  let(:developer_user) { create(:user) }
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    before do
+      project_with_users.add_master(master_user)
+      project_with_users.add_developer(developer_user)
+      project_with_users.add_reporter(reporter_user)
+    end
+
+    it 'moves the authorizations from one project to another' do
+      expect(project_with_users.authorized_users.count).to eq 4
+      expect(target_project.authorized_users.count).to eq 1
+
+      subject.execute(project_with_users)
+
+      expect(project_with_users.authorized_users.count).to eq 0
+      expect(target_project.authorized_users.count).to eq 4
+    end
+
+    it 'does not move existent authorizations to the current project' do
+      target_project.add_master(developer_user)
+      target_project.add_developer(reporter_user)
+
+      expect(project_with_users.authorized_users.count).to eq 4
+      expect(target_project.authorized_users.count).to eq 3
+
+      subject.execute(project_with_users)
+
+      expect(project_with_users.authorized_users.count).to eq 0
+      expect(target_project.authorized_users.count).to eq 4
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining project authorizations' do
+        target_project.add_master(developer_user)
+        target_project.add_developer(reporter_user)
+
+        subject.execute(project_with_users, options)
+
+        expect(project_with_users.project_authorizations.count).not_to eq 0
+      end
+    end
+  end
+end

spec/services/projects/move_project_group_links_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveProjectGroupLinksService do
+  let!(:user) { create(:user) }
+  let(:project_with_groups) { create(:project, namespace: user.namespace) }
+  let(:target_project) { create(:project, namespace: user.namespace) }
+  let(:master_group) { create(:group) }
+  let(:reporter_group) { create(:group) }
+  let(:developer_group) { create(:group) }
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    before do
+      project_with_groups.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+      project_with_groups.project_group_links.create(group: developer_group, group_access: Gitlab::Access::DEVELOPER)
+      project_with_groups.project_group_links.create(group: reporter_group, group_access: Gitlab::Access::REPORTER)
+    end
+
+    it 'moves the group links from one project to another' do
+      expect(project_with_groups.project_group_links.count).to eq 3
+      expect(target_project.project_group_links.count).to eq 0
+
+      subject.execute(project_with_groups)
+
+      expect(project_with_groups.project_group_links.count).to eq 0
+      expect(target_project.project_group_links.count).to eq 3
+    end
+
+    it 'does not move existent group links in the current project' do
+      target_project.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+      target_project.project_group_links.create(group: developer_group, group_access: Gitlab::Access::DEVELOPER)
+
+      expect(project_with_groups.project_group_links.count).to eq 3
+      expect(target_project.project_group_links.count).to eq 2
+
+      subject.execute(project_with_groups)
+
+      expect(project_with_groups.project_group_links.count).to eq 0
+      expect(target_project.project_group_links.count).to eq 3
+    end
+
+    it 'rollbacks changes if transaction fails' do
+      allow(subject).to receive(:success).and_raise(StandardError)
+
+      expect { subject.execute(project_with_groups) }.to raise_error(StandardError)
+
+      expect(project_with_groups.project_group_links.count).to eq 3
+      expect(target_project.project_group_links.count).to eq 0
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining project group links' do
+        target_project.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+        target_project.project_group_links.create(group: developer_group, group_access: Gitlab::Access::DEVELOPER)
+
+        subject.execute(project_with_groups, options)
+
+        expect(project_with_groups.project_group_links.count).not_to eq 0
+      end
+    end
+  end
+end

spec/services/projects/move_project_members_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveProjectMembersService do
+  let!(:user) { create(:user) }
+  let(:project_with_users) { create(:project, namespace: user.namespace) }
+  let(:target_project) { create(:project, namespace: user.namespace) }
+  let(:master_user) { create(:user) }
+  let(:reporter_user) { create(:user) }
+  let(:developer_user) { create(:user) }
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    before do
+      project_with_users.add_master(master_user)
+      project_with_users.add_developer(developer_user)
+      project_with_users.add_reporter(reporter_user)
+    end
+
+    it 'moves the members from one project to another' do
+      expect(project_with_users.project_members.count).to eq 4
+      expect(target_project.project_members.count).to eq 1
+
+      subject.execute(project_with_users)
+
+      expect(project_with_users.project_members.count).to eq 0
+      expect(target_project.project_members.count).to eq 4
+    end
+
+    it 'does not move existent members to the current project' do
+      target_project.add_master(developer_user)
+      target_project.add_developer(reporter_user)
+
+      expect(project_with_users.project_members.count).to eq 4
+      expect(target_project.project_members.count).to eq 3
+
+      subject.execute(project_with_users)
+
+      expect(project_with_users.project_members.count).to eq 0
+      expect(target_project.project_members.count).to eq 4
+    end
+
+    it 'rollbacks changes if transaction fails' do
+      allow(subject).to receive(:success).and_raise(StandardError)
+
+      expect { subject.execute(project_with_users) }.to raise_error(StandardError)
+
+      expect(project_with_users.project_members.count).to eq 4
+      expect(target_project.project_members.count).to eq 1
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining project members' do
+        target_project.add_master(developer_user)
+        target_project.add_developer(reporter_user)
+
+        subject.execute(project_with_users, options)
+
+        expect(project_with_users.project_members.count).not_to eq 0
+      end
+    end
+  end
+end

spec/services/projects/move_users_star_projects_service_spec.rb

+require 'spec_helper'
+
+describe Projects::MoveUsersStarProjectsService do
+  let!(:user) { create(:user) }
+  let!(:project_with_stars) { create(:project, namespace: user.namespace) }
+  let!(:target_project) { create(:project, namespace: user.namespace) }
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    before do
+      create_list(:users_star_project, 2, project: project_with_stars)
+    end
+
+    it 'moves the user\'s stars from one project to another' do
+      expect(project_with_stars.users_star_projects.count).to eq 2
+      expect(project_with_stars.star_count).to eq 2
+      expect(target_project.users_star_projects.count).to eq 0
+      expect(target_project.star_count).to eq 0
+
+      subject.execute(project_with_stars)
+      project_with_stars.reload
+      target_project.reload
+
+      expect(project_with_stars.users_star_projects.count).to eq 0
+      expect(project_with_stars.star_count).to eq 0
+      expect(target_project.users_star_projects.count).to eq 2
+      expect(target_project.star_count).to eq 2
+    end
+
+    it 'rollbacks changes if transaction fails' do
+      allow(subject).to receive(:success).and_raise(StandardError)
+
+      expect { subject.execute(project_with_stars) }.to raise_error(StandardError)
+
+      expect(project_with_stars.users_star_projects.count).to eq 2
+      expect(project_with_stars.star_count).to eq 2
+      expect(target_project.users_star_projects.count).to eq 0
+      expect(target_project.star_count).to eq 0
+    end
+  end
+end

spec/services/projects/overwrite_project_service_spec.rb

+require 'spec_helper'
+
+describe Projects::OverwriteProjectService do
+  include ProjectForksHelper
+
+  let(:user) { create(:user) }
+  let(:project_from) { create(:project, namespace: user.namespace) }
+  let(:project_to) { create(:project, namespace: user.namespace) }
+  let!(:lvl1_forked_project_1) { fork_project(project_from, user) }
+  let!(:lvl1_forked_project_2) { fork_project(project_from, user) }
+  let!(:lvl2_forked_project_1_1) { fork_project(lvl1_forked_project_1, user) }
+  let!(:lvl2_forked_project_1_2) { fork_project(lvl1_forked_project_1, user) }
+
+  subject { described_class.new(project_to, user) }
+
+  before do
+    allow(project_to).to receive(:import_data).and_return(double(data: { 'original_path' => project_from.path }))
+  end
+
+  describe '#execute' do
+    shared_examples 'overwrite actions' do
+      it 'moves deploy keys' do
+        deploy_keys_count = project_from.deploy_keys_projects.count
+
+        subject.execute(project_from)
+
+        expect(project_to.deploy_keys_projects.count).to eq deploy_keys_count
+      end
+
+      it 'moves notification settings' do
+        notification_count = project_from.notification_settings.count
+
+        subject.execute(project_from)
+
+        expect(project_to.notification_settings.count).to eq notification_count
+      end
+
+      it 'moves users stars' do
+        stars_count = project_from.users_star_projects.count
+
+        subject.execute(project_from)
+        project_to.reload
+
+        expect(project_to.users_star_projects.count).to eq stars_count
+        expect(project_to.star_count).to eq stars_count
+      end
+
+      it 'moves project group links' do
+        group_links_count = project_from.project_group_links.count
+
+        subject.execute(project_from)
+
+        expect(project_to.project_group_links.count).to eq group_links_count
+      end
+
+      it 'moves memberships and authorizations' do
+        members_count = project_from.project_members.count
+        project_authorizations = project_from.project_authorizations.count
+
+        subject.execute(project_from)
+
+        expect(project_to.project_members.count).to eq members_count
+        expect(project_to.project_authorizations.count).to eq project_authorizations
+      end
+
+      context 'moves lfs objects relationships' do
+        before do
+          create_list(:lfs_objects_project, 3, project: project_from)
+        end
+
+        it do
+          lfs_objects_count = project_from.lfs_objects.count
+
+          subject.execute(project_from)
+
+          expect(project_to.lfs_objects.count).to eq lfs_objects_count
+        end
+      end
+
+      it 'removes the original project' do
+        subject.execute(project_from)
+
+        expect { Project.find(project_from.id) }.to raise_error(ActiveRecord::RecordNotFound)
+      end
+
+      it 'renames the project' do
+        subject.execute(project_from)
+
+        expect(project_to.full_path).to eq project_from.full_path
+      end
+    end
+
+    context 'when project does not have any relation' do
+      it_behaves_like 'overwrite actions'
+    end
+
+    context 'when project with elements' do
+      it_behaves_like 'overwrite actions' do
+        let(:master_user) { create(:user) }
+        let(:reporter_user) { create(:user) }
+        let(:developer_user) { create(:user) }
+        let(:master_group) { create(:group) }
+        let(:reporter_group) { create(:group) }
+        let(:developer_group) { create(:group) }
+
+        before do
+          create_list(:deploy_keys_project, 2, project: project_from)
+          create_list(:notification_setting, 2, source: project_from)
+          create_list(:users_star_project, 2, project: project_from)
+          project_from.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+          project_from.project_group_links.create(group: developer_group, group_access: Gitlab::Access::DEVELOPER)
+          project_from.project_group_links.create(group: reporter_group, group_access: Gitlab::Access::REPORTER)
+          project_from.add_master(master_user)
+          project_from.add_developer(developer_user)
+          project_from.add_reporter(reporter_user)
+        end
+      end
+    end
+
+    context 'forks' do
+      context 'when moving a root forked project' do
+        it 'moves the descendant forks' do
+          expect(project_from.forks.count).to eq 2
+          expect(project_to.forks.count).to eq 0
+
+          subject.execute(project_from)
+
+          expect(project_from.forks.count).to eq 0
+          expect(project_to.forks.count).to eq 2
+          expect(lvl1_forked_project_1.forked_from_project).to eq project_to
+          expect(lvl1_forked_project_1.fork_network_member.forked_from_project).to eq project_to
+          expect(lvl1_forked_project_2.forked_from_project).to eq project_to
+          expect(lvl1_forked_project_2.fork_network_member.forked_from_project).to eq project_to
+        end
+
+        it 'updates the fork network' do
+          expect(project_from.fork_network.root_project).to eq project_from
+          expect(project_from.fork_network.fork_network_members.map(&:project)).to include project_from
+
+          subject.execute(project_from)
+
+          expect(project_to.reload.fork_network.root_project).to eq project_to
+          expect(project_to.fork_network.fork_network_members.map(&:project)).not_to include project_from
+        end
+      end
+      context 'when moving a intermediate forked project' do
+        let(:project_to) { create(:project, namespace: lvl1_forked_project_1.namespace) }
+
+        it 'moves the descendant forks' do
+          expect(lvl1_forked_project_1.forks.count).to eq 2
+          expect(project_to.forks.count).to eq 0
+
+          subject.execute(lvl1_forked_project_1)
+
+          expect(lvl1_forked_project_1.forks.count).to eq 0
+          expect(project_to.forks.count).to eq 2
+          expect(lvl2_forked_project_1_1.forked_from_project).to eq project_to
+          expect(lvl2_forked_project_1_1.fork_network_member.forked_from_project).to eq project_to
+          expect(lvl2_forked_project_1_2.forked_from_project).to eq project_to
+          expect(lvl2_forked_project_1_2.fork_network_member.forked_from_project).to eq project_to
+        end
+
+        it 'moves the ascendant fork' do
+          subject.execute(lvl1_forked_project_1)
+
+          expect(project_to.reload.forked_from_project).to eq project_from
+          expect(project_to.fork_network_member.forked_from_project).to eq project_from
+        end
+
+        it 'does not update fork network' do
+          subject.execute(lvl1_forked_project_1)
+
+          expect(project_to.reload.fork_network.root_project).to eq project_from
+        end
+      end
+    end
+
+    context 'if an exception is raised' do
+      it 'rollbacks changes' do
+        updated_at = project_from.updated_at
+
+        allow(subject).to receive(:rename_project).and_raise(StandardError)
+
+        expect { subject.execute(project_from) }.to raise_error(StandardError)
+        expect(Project.find(project_from.id)).not_to be_nil
+        expect(project_from.reload.updated_at.change(usec: 0)).to eq updated_at.change(usec: 0)
+      end
+
+      it 'tries to restore the original project repositories' do
+        allow(subject).to receive(:rename_project).and_raise(StandardError)
+
+        expect(subject).to receive(:attempt_restore_repositories).with(project_from)
+
+        expect { subject.execute(project_from) }.to raise_error(StandardError)
+      end
+    end
+  end
+end

spec/views/projects/merge_requests/_commits.html.haml_spec.rb

@@ -28,6 +28,6 @@ describe 'projects/merge_requests/_commits.html.haml' do
     commit = merge_request.commits.first # HEAD
     href = diffs_project_merge_request_path(target_project, merge_request, commit_id: commit)
 
-    expect(rendered).to have_link(Commit.truncate_sha(commit.sha), href: href)
+    expect(rendered).to have_link(href: href)
   end
 end