spring-shell

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Janne Valkealahti 643b189fb8 Default boolean arg to false

- In a case where arg is given as boolean and with plain
  @ShellOption (user doesn't define defaults), configure
  arg not to be mandatory and with default value false.
- This brings this spesific case more close how it behave
  in older shell version.
- Having `@ShellOption boolean arg1` it now works as:
    my-shell:>e2e reg default-value-boolean3
    Hello false
    my-shell:>e2e reg default-value-boolean3 --arg1
    Hello true
    my-shell:>e2e reg default-value-boolean3 --arg1 false
    Hello false
    my-shell:>e2e reg default-value-boolean3 --arg1 true
    Hello true
- Fixes #461

2022-07-18 12:41:23 +03:00