109 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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module Gitlab
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  module ImportExport
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    module CommandLineUtil
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      UNTAR_MASK = 'u+rwX,go+rX,go-w'
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      DEFAULT_DIR_MODE = 0700
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      def tar_czf(archive:, dir:)
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        tar_with_options(archive: archive, dir: dir, options: 'czf')
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      end
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      def untar_zxf(archive:, dir:)
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        untar_with_options(archive: archive, dir: dir, options: 'zxf')
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      end
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      def tar_cf(archive:, dir:)
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        tar_with_options(archive: archive, dir: dir, options: 'cf')
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      end
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      def untar_xf(archive:, dir:)
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        untar_with_options(archive: archive, dir: dir, options: 'xf')
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      end
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      def gzip(dir:, filename:)
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        gzip_with_options(dir: dir, filename: filename)
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      end
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      def gunzip(dir:, filename:)
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        gzip_with_options(dir: dir, filename: filename, options: 'd')
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      end
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      def gzip_with_options(dir:, filename:, options: nil)
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        filepath = File.join(dir, filename)
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        cmd = %W(gzip #{filepath})
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        cmd << "-#{options}" if options
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        _, status = Gitlab::Popen.popen(cmd)
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        if status == 0
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          status
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        else
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          raise Gitlab::ImportExport::Error.file_compression_error
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        end
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      end
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      def mkdir_p(path)
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        FileUtils.mkdir_p(path, mode: DEFAULT_DIR_MODE)
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        FileUtils.chmod(DEFAULT_DIR_MODE, path)
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      end
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      private
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      def download_or_copy_upload(uploader, upload_path)
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        if uploader.upload.local?
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          copy_files(uploader.path, upload_path)
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        else
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          download(uploader.url, upload_path)
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        end
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      end
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      def download(url, upload_path)
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        File.open(upload_path, 'w') do |file|
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          # Download (stream) file from the uploader's location
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          IO.copy_stream(URI.parse(url).open, file)
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        end
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      end
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      def tar_with_options(archive:, dir:, options:)
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        execute_cmd(%W(tar -#{options} #{archive} -C #{dir} .))
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      end
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      def untar_with_options(archive:, dir:, options:)
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        execute_cmd(%W(tar -#{options} #{archive} -C #{dir}))
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        execute_cmd(%W(chmod -R #{UNTAR_MASK} #{dir}))
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      end
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      # rubocop:disable Gitlab/ModuleWithInstanceVariables
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      def execute_cmd(cmd)
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        output, status = Gitlab::Popen.popen(cmd)
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        return true if status == 0
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        output = output&.strip
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        message = "command exited with error code #{status}"
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        message += ": #{output}" if output.present?
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        if @shared.respond_to?(:error)
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          @shared.error(Gitlab::ImportExport::Error.new(message))
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          false
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        else
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          raise Gitlab::ImportExport::Error, message
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        end
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      end
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      # rubocop:enable Gitlab/ModuleWithInstanceVariables
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      def copy_files(source, destination)
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        # if we are copying files, create the destination folder
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        destination_folder = File.file?(source) ? File.dirname(destination) : destination
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        mkdir_p(destination_folder)
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        FileUtils.copy_entry(source, destination)
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        true
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      end
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    end
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  end
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end
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