[Bug 435199] Re: utility 'file' does not recognize hfs disk image

[Lars Noodén]

Still present in 13.10

$ wget 'https://download.mozilla.org/?product=firefox-25.0&os=osx&lang
=en-US'

$ file Firefox\ 25.0.dmg 
Firefox 25.0.dmg: bzip2 compressed data, block size = 900k

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https://bugs.launchpad.net/bugs/435199

Title:
  utility 'file' does not recognize hfs disk image

Status in “file” package in Ubuntu:
  Confirmed

Bug description:
  file does not recognize HFS file system images, for example, this one,
  but the same problem exists for other disk image files from other
  sources

  $ wget http://www.bombich.com/software/download_ccc.php

  $ file ccc-3.3.dmg
  ccc-3.3.dmg: data

  I would expect it to look at the files system header (or other
  metadata) and identify the file as an HFS or HFS+ file system image

  http://developer.apple.com/mac/library/technotes/tn/tn1150.html#VolumeHeader

  $ apt-cache policy file
  file:
    Installed: 5.03-1ubuntu1
    Candidate: 5.03-1ubuntu1
    Version table:
   *** 5.03-1ubuntu1 0
          500 http://fi.archive.ubuntu.com karmic/main Packages
          100 /var/lib/dpkg/status

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