[Bug 53887] Re: [patch] Command completion should be enhanced

[Sami Pietila]

For bash 4.2 the maintainers have implemented features which can be
activated to get the wanted behavior. See .inputrc config options.

However, it can be seen from bash-4.2 source code that there is a bug in
the implementation which prevents needed set show-all-if-ambiguous and
set menu-complete-display-prefix to be activated at the same time.

I reported this bug to bash maintainers 2012-March and sent the patch to
fix the bug, but at least ubuntu 12.10 is still shipping a bash version
with the bug.

--- Configuration for .inputrc ---
TAB:menu-complete
set show-all-if-ambiguous on
set menu-complete-display-prefix on
---


** Patch added: "A fix for the bug which prevents set show-all-if-ambiguous and set menu-complete-display-prefix to be used at the same time."
   https://bugs.launchpad.net/ubuntu/+source/bash/+bug/53887/+attachment/3500978/+files/complete.c.diff

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https://bugs.launchpad.net/bugs/53887

Title:
  [patch] Command completion should be enhanced

Status in “bash” package in Ubuntu:
  Confirmed

Bug description:
  When bash has more than one completion alternatives, it prints the
  list of possible completions. If user presses the TAB again, the list
  is showed again. There should be a completion mode which
  browses/suggests a item from the completion list instead of showing
  the list again. This would be like a mixture of the default completion
  mode and the menu-complete.

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