[Bug 1050950] Re: does not use the '--' to stop parsing switches

[broucaries]

Reported here http://www.imagemagick.org/discourse-
server/viewtopic.php?f=3&t=23604

** Also affects: imagemagick
   Importance: Undecided
       Status: New

** Changed in: imagemagick (Ubuntu)
     Assignee: (unassigned) => broucaries (roucaries-bastien+bugs)

** Changed in: imagemagick (Ubuntu)
       Status: New => In Progress

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Title:
  does not use the '--' to stop parsing switches

Status in ImageMagick - Convert, Edit and Compose Images:
  New
Status in “imagemagick” package in Ubuntu:
  In Progress

Bug description:
  How to reproduce:
  $ mkdir -p /tmp/a ; cd /tmp/a
  $ for f in alpha beta -delta; do convert -size 100x100 xc: +noise Random -- $f.png; done
  $ montage -- *.png gamma.jpg

  Expected behaviour:
  ( image gamma.jpg is created )

  Observed behaviour:
  "montage: unrecognized option `-delta.png' @ error/montage.c/MontageImageCommand/865."

  What's weird is I'd expect convert to throw a similar exception when I
  execute:

  $ convert -size 100x100 xc: +noise Random -delta.png

  but it doesn't.  This is what I get instead when I use '--' to stop
  parsing switches:

  $  convert -size 100x100 xc: +noise Random -- -delta.png
  convert: missing an image filename `-delta.png' @ error/convert.c/ConvertImageCommand/3009.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: imagemagick 8:6.6.9.7-5ubuntu3.2
  ProcVersionSignature: Ubuntu 3.2.0-25.40-generic-pae 3.2.18
  Uname: Linux 3.2.0-25-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu13
  Architecture: i386
  Date: Fri Sep 14 10:51:14 2012
  ProcEnviron:
   LANGUAGE=en_CA:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: imagemagick
  UpgradeStatus: Upgraded to precise on 2012-04-28 (139 days ago)

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