[Bug 934269] Re: grub-mkconfig (running as update-grub) gives scary message "grep: input file '/tmp/grub.cfg.new' is also the output"

[Adam Conrad]

Fixed in bzr.

** Changed in: grub2 (Ubuntu)
       Status: Confirmed => Fix Committed

** Changed in: grub2 (Ubuntu)
     Assignee: (unassigned) => Adam Conrad (adconrad)

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Title:
  grub-mkconfig (running as update-grub) gives scary message "grep:
  input file '/tmp/grub.cfg.new' is also the output"

Status in “grub2” package in Ubuntu:
  Fix Committed

Bug description:
  Running update-grub gives the error:

      grep: input file '/tmp/grub.cfg.new' is also the output

  This problem is caused by a combination of...

      250   exec > ${grub_cfg}.new

  and ...

      285 if [ "x${grub_cfg}" != "x" ] && ! grep -q "^password "
  ${grub_cfg}.new ; then

  effectively resulting in:

  grep -q "^password" /tmp/grub.cfg.new > /tmp/grub.cfg.new

  Problem is in patch debian/patches/grub.cfg_400.patch.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: grub2 (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-16.25-generic-pae 3.2.6
  Uname: Linux 3.2.0-16-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.91-0ubuntu1
  Architecture: i386
  Date: Fri Feb 17 15:17:54 2012
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: Upgraded to precise on 2012-01-12 (36 days ago)

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