func buildBeforeFunc()

in gpbackup_s3_plugin.go [118:137]

• 19 lines of code
• 4 McCabe index (conditional complexity)

func buildBeforeFunc(expectedNArgs ...int) (beforeFunc cli.BeforeFunc) {
	beforeFunc = func(context *cli.Context) error {
		actualNArg := context.NArg()
		argMatched := false
		for _, expectedNArg := range expectedNArgs {
			if actualNArg == expectedNArg {
				argMatched = true
				break
			}
		}
		if !argMatched {
			return fmt.Errorf("ERROR: Invalid number of arguments to plugin command. "+
				"Expected %v arguments. Got %d arguments", expectedNArgs, actualNArg)
		} else {
			return nil
		}

	}
	return beforeFunc
}