[Bug 778627] Re: In natty, bash completion now quotes shell variable references rather than expanding them

[Graeme Hewson]

$ bash --version
GNU bash, version 4.2.37(1)-release (x86_64-pc-linux-gnu)

$ wajig list bash
ii  bash                                  4.2-5ubuntu1                               amd64        GNU Bourne Again SHell
ii  bash-completion                       1:2.0-1ubuntu2                             all          programmable completion for the bash shell
ii  command-not-found                     0.3ubuntu5                                 all          Suggest installation of packages in interactive bash sessions

$ wajig detail bash
Package: bash                            
Essential: yes
New: yes
State: installed
Automatically installed: no
Multi-Arch: foreign
Version: 4.2-5ubuntu1
Priority: required
Section: shells
Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
Architecture: amd64
Uncompressed Size: 1,450 k
Depends: base-files (>= 2.1.12), debianutils (>= 2.15)
PreDepends: dash (>= 0.5.5.1-2.2), libc6 (>= 2.15), libtinfo5
Recommends: bash-completion (>= 20060301-0)
Suggests: bash-doc
Conflicts: bash-completion (< 20060301-0), bash-completion (< 20060301-0), bash
Replaces: bash-completion (< 20060301-0), bash-completion (< 20060301-0), bash-doc (<= 2.05-1), bash-doc (<= 2.05-1)
Provides: bash
Provided by: bash
Description: GNU Bourne Again SHell

$ wajig detail bash-completion
Package: bash-completion                 
State: installed
Automatically installed: no
Multi-Arch: foreign
Version: 1:2.0-1ubuntu2
Priority: standard
Section: shells
Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
Architecture: all
Uncompressed Size: 892 k
Depends: bash (>= 3.2)
PreDepends: dpkg (>= 1.15.7.2~)
Breaks: xen-tools (<= 4.1-1), xen-tools (<= 4.1-1)
Replaces: bash, bash, cryptsetup (< 2:1.1.2-2), cryptsetup (< 2:1.1.2-2), xen-tools (<= 4.1-1), xen-tools (<= 4.1-1)
Provides: bash-completion
Description: programmable completion for the bash shell

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https://bugs.launchpad.net/bugs/778627

Title:
  In natty, bash completion now quotes shell variable references rather
  than expanding them

Status in “bash” package in Ubuntu:
  Confirmed
Status in “bash” package in Debian:
  New
Status in “bash” package in Fedora:
  New

Bug description:
  Binary package hint: bash

  ~$ mkdir -p /tmp/testd/finger/toe
  /tmp$ cd /tmp/testd
  /tmp/testd$ td=`pwd`
  /tmp/testd$ cd ../
  /tmp$ ls $td/fing

  Type a TAB character at this point, and bash completion makes the line:
  /tmp$ ls \$td/finger 

  Note that while 'fing' has been expanded to 'finger ' (with a space at the end), the $td variable reference has had the
  $ character quoted with a backslash.  This prevents further extension of the pathname, and in fact makes
  the command invalid; if I type a newline at this point, I get:
  ls: cannot access $td/finger: No such file or directory

  This is not useful behavior.  I believe that in Ubuntu 10.10, the $td variable would have been expanded
  to  '/tmp/testd', and subsequent completions starting from '/tmp/testd/finger' would have worked.

  
  [The version of /etc/bash_completion.d/acroread.sh that is installed starts with:

  # _filedir : to handle file and directories with spaces in their names.
  if ! type _filedir &> /dev/null ; then

  so I don't think that file is overriding /etc/bash_completion's
  _filedir ...]

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: bash 4.2-0ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  Date: Fri May  6 09:48:29 2011
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, user)
   LANG=en_US.UTF-8
   LANGUAGE=en_US:en
  SourcePackage: bash
  UpgradeStatus: Upgraded to natty on 2011-04-30 (6 days ago)

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