[Bug 914499] Re: 'su --help' exits with error code 2

[Serge Hallyn]

** Changed in: shadow (Ubuntu)
       Status: New => Fix Released

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Title:
  'su --help' exits with error code 2

Status in shadow package in Ubuntu:
  Fix Released

Bug description:
  Version: 1:4.1.4.2-1ubuntu3.2

  Linux applications that have a "help" or "usage" option almost
  universally print the requested help to stdout and return with an exit
  code of zero.  There was, after all, no error since the user
  explicitly requested this output.

  'su --help', for no apparent reason, prints its help to stderr and
  exits with code 2.  As long as there is a non-zero exit code, output
  to stderr is correct, but it I am convinced the exit code should be
  zero and the output should go to stdout.

  Oddly, although the 'man su' pages do not list -h or --help among the
  available options, 'su --help' does (it also does not complain of an
  invalid option).

  I'm reporting this here because the su maintainers are listed as
  "Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>".

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