func zipFiles()

in cli_tools/diagnostics/main.go [45:90]
41 lines of code
11 McCabe index (conditional complexity)

func zipFiles(logs []logFolder, outputPath string) (err error) {
	newFile, err := os.Create(outputPath)
	if err != nil {
		return err
	}
	defer func() {
		// This takes priority over the non-fatal errors
		if cErr := newFile.Close(); cErr != nil && (err == nil || err == errNonFatal) {
			err = cErr
		}
	}()

	writer := zip.NewWriter(newFile)
	defer writer.Close()

	err = nil
	for _, folder := range logs {
		for _, path := range folder.files {
			file, zErr := os.Open(path)
			if zErr != nil {
				log.Printf("Error opening file %s for zipping with error %v\n", path, err)
				err = errNonFatal
				continue
			}
			defer func() {
				if cErr := file.Close(); cErr != nil {
					err = errNonFatal
				}
			}()

			p := fmt.Sprintf("%s/%s", folder.name, filepath.Base(path))
			zf, zErr := writer.Create(p)
			if zErr != nil {
				log.Printf("Error saving file %s to zip with error %v\n", path, err)
				err = errNonFatal
				continue
			}

			if _, zErr = io.Copy(zf, file); zErr != nil {
				log.Printf("Error saving contents of file %s with error %v\n", path, err)
				err = errNonFatal
			}
		}
	}
	return err
}