[Bug 476540] [NEW] script 10_linux doesn't sort kernel versions correctly

[Pierre Frenkiel]

Public bug reported:

Binary package hint: grub-pc

Description:	Ubuntu 8.10
Release:	8.10

grub-pc:
  Installed: 1.96+20080512-1ubuntu2
  Candidate: 1.96+20080512-1ubuntu2
  Version table:
 *** 1.96+20080512-1ubuntu2 0
        500 http://ftp.crihan.fr intrepid/universe Packages
        100 /var/lib/dpkg/status
Ihave presently to versions of linux-image:
   /boot/vmlinuz-2.6.27-15-generic
   /boot/vmlinuz-2.6.27-9-generic

I expect the -15 version being found as more recent than -9

what happens:
   /etc/grub.d/10_linux gives:

	Found linux image: /boot/vmlinuz-2.6.27-9-generic
   . . . . . . . . . . . . . 
   Found linux image: /boot/vmlinuz-2.6.27-15-generic
   . . . . . . . . . . . . . 
and then, of course, the 1st menuentry in grub.cfg is for the oldest kernel
Anyway, the sort program doesn''t work correctly with stdin.
 
 I found a fix by removing all functions in 10_linux,
 and replacing:
 =============================================================================
    list=`for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* ; do
           if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
         done`

   while [ "x$list" != "x" ] ; do
     linux=`find_latest $list`
 =============================================================================
    by
 =============================================================================
   list=`for i in $(ls -vr /boot/vmlinu[xz]-* /vmlinu[xz]-* 2>/dev/null) ; do
           if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
         done`

   while [ "x$list" != "x" ] ; do
     linux=`echo $list|cut -d ' ' -f 1`
 =============================================================================

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 8.10
NonfreeKernelModules: hsfengine ath_hal
Package: grub-pc 1.96+20080512-1ubuntu2
ProcEnviron:
 LC_CTYPE=fr_FR
 PATH=/data/home/username/lnx/bin:/data/home/username/bin:/local/bin:/setloc/bin:/opt/apc/bin:/usr/lib/openoffice/program:/sbin:/usr/sbin:/bin:/usr/bin:/usr/games:/usr/local/bin
 LANG=en_US.UTF-8
 SHELL=/bin/ksh
SourcePackage: grub2
Uname: Linux 2.6.27-15-generic i686

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug

-- 
script 10_linux doesn't sort kernel versions correctly
https://bugs.launchpad.net/bugs/476540
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