1 files changed, 96 insertions, 0 deletions
diff --git a/lib/gitlab/bare_repository_importer.rb b/lib/gitlab/bare_repository_importer.rb
new file mode 100644
index 00000000000..9323bfc7fb2
--- /dev/null
+++ b/lib/gitlab/bare_repository_importer.rb
@@ -0,0 +1,96 @@
+module Gitlab
+  class BareRepositoryImporter
+    NoAdminError = Class.new(StandardError)
+
+    def self.execute
+      Gitlab.config.repositories.storages.each do |storage_name, repository_storage|
+        git_base_path = repository_storage['path']
+        repos_to_import = Dir.glob(git_base_path + '/**/*.git')
+
+        repos_to_import.each do |repo_path|
+          if repo_path.end_with?('.wiki.git')
+            log " * Skipping wiki repo"
+            next
+          end
+
+          log "Processing #{repo_path}".color(:yellow)
+
+          repo_relative_path = repo_path[repository_storage['path'].length..-1]
+                                 .sub(/^\//, '') # Remove leading `/`
+                                 .sub(/\.git$/, '') # Remove `.git` at the end
+          new(storage_name, repo_relative_path).create_project_if_needed
+        end
+      end
+    end
+
+    attr_reader :storage_name, :full_path, :group_path, :project_path, :user
+    delegate :log, to: :class
+
+    def initialize(storage_name, repo_path)
+      @storage_name = storage_name
+      @full_path = repo_path
+
+      unless @user = User.admins.order_id_asc.first
+        raise NoAdminError.new('No admin user found to import repositories')
+      end
+
+      @group_path, @project_path = File.split(repo_path)
+      @group_path = nil if @group_path == '.'
+    end
+
+    def create_project_if_needed
+      if project = Project.find_by_full_path(full_path)
+        log " * #{project.name} (#{full_path}) exists"
+        return project
+      end
+
+      create_project
+    end
+
+    private
+
+    def create_project
+      group = find_or_create_group
+
+      project_params = {
+        name: project_path,
+        path: project_path,
+        repository_storage: storage_name,
+        namespace_id: group&.id
+      }
+
+      project = Projects::CreateService.new(user, project_params).execute
+
+      if project.persisted?
+        log " * Created #{project.name} (#{full_path})".color(:green)
+        ProjectCacheWorker.perform_async(project.id)
+      else
+        log " * Failed trying to create #{project.name} (#{full_path})".color(:red)
+        log "   Errors: #{project.errors.messages}".color(:red)
+      end
+
+      project
+    end
+
+    def find_or_create_group
+      return nil unless group_path
+
+      if namespace = Namespace.find_by_full_path(group_path)
+        log " * Namespace #{group_path} exists.".color(:green)
+        return namespace
+      end
+
+      log " * Creating Group: #{group_path}"
+      Groups::NestedCreateService.new(user, group_path: group_path).execute
+    end
+
+    # This is called from within a rake task only used by Admins, so allow writing
+    # to STDOUT
+    #
+    # rubocop:disable Rails/Output
+    def self.log(message)
+      puts message
+    end
+    # rubocop:enable Rails/Output
+  end
+end