[Bug 743163] [NEW] FFe: Sync squashfs-tools 1:4.2-1 (main) from Debian unstable (main)

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You have been subscribed to a public bug by Colin Watson (cjwatson):

Please sync squashfs-tools 1:4.2-1 (main) from Debian unstable (main)

Explanation of FeatureFreeze exception:
The upstream maintainer of squashfs-tools asked me to ensure that Natty ships with version 4.2, which has the right userspace support to match the 2.6.38 kernel we're going to ship.  The main feature addition here is XZ support (although I'm not proposing to switch Ubuntu live CDs over to this in Natty), but there seem to be a few worthwhile bug fixes as well.  Here are the upstream release notes:

1. Filesystem improvements:
    1.1 Added XZ compression
    1.2 Added compression options support
2. Miscellaneous improvements/bug fixes
    1.1 Add missing NO_XATTR filesystem flag to indicate no-xattrs option was specified and no xattrs should be stored when appending.
    1.2 Add suppport in Unquashfs -stat option for displaying NO_XATTR flag.
    1.3 Remove checkdata entry from Unsquashfs -stat option if a 4.0 filesystem - checkdata is no longer supported.
    1.4 Fix appending bug when appending to an empty filesystem - this would be incorrectly treated as an error.
    1.5 Use glibc sys/xattr.h include rather than using attr/xattr.h which isn't present by default on some distributions.
    1.6 Unsquashfs, fix block calculation error with regular files when file size is between 2^32-block_size+1 and 2^32-1.
    1.7 Unsquashfs, fix sparse file writing when holes are larger than 2^31-1.
    1.8 Add external CFLAGS and LDFLAGS support to Makefile, and allow build options to be specified on command line. Also don't over-write passed in CFLAGS definition.

Changelog entries since current natty version 1:4.1-1:

squashfs-tools (1:4.2-1) unstable; urgency=low

  * Merging upstream version 4.2.
  * Updating debhelper docs file for new upstream.
  * Updating year in copyright file.

 -- Daniel Baumann <daniel.baumann at progress-technologies.net>  Thu, 17
Mar 2011 15:04:48 +0100

squashfs-tools (1:4.1-3) unstable; urgency=low

  * Making reference to licenses in copyright distribution neutral.
  * Improving previous changelog entries.

 -- Daniel Baumann <daniel.baumann at progress-technologies.net>  Sat, 22
Jan 2011 21:40:48 +0100

squashfs-tools (1:4.1-2) unstable; urgency=low

  * Updating maintainer and uploaders fields.
  * Removing vcs fields.
  * Removing references to my old email address.
  * Makeing packaging distribution neutral.
  * Switching to source format 3.0 (quilt).
  * Updating to debhelper version 8.
  * Rediffing kfreebsd.patch.

 -- Daniel Baumann <daniel.baumann at progress-technologies.net>  Sun, 16
Jan 2011 19:28:31 +0100

** Affects: squashfs-tools (Ubuntu)
     Importance: Wishlist
         Status: Confirmed

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FFe: Sync squashfs-tools 1:4.2-1 (main) from Debian unstable (main)
https://bugs.launchpad.net/bugs/743163
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