[Bug 1960366] Re: skel.bashrc PS1 debian_chroot not dynamic in xterm title

[Tuomas Heino]

Added a patch at
https://git.launchpad.net/~iheino+ub/ubuntu/+source/bash/commit/?h=bugfix/1960366

** Description changed:

- Submitting a patch soon.
+ https://git.launchpad.net/~iheino+ub/ubuntu/+source/bash/commit/?h=bugfix/1960366
  
- Without fix:
- $ set|fgrep PS1|head -1
+ Expected:
+ 
+ debian_chroot part of xterm title should update dynamically; with the
+ following PS1 contents by default
+ 
+ $ set | fgrep PS1 | head -1
+ PS1='\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
+ 
+ Actual result without patch:
+ 
+ debian_chroot part of xterm title got evaluated only during bash
+ startup, as can be seen in PS1 contents
+ 
+ $ set | fgrep PS1 | head -1
  PS1='\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
- 
- With quotation fix applied:
- $ set|fgrep PS1|head -1
- PS1='\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '

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https://bugs.launchpad.net/bugs/1960366

Title:
  skel.bashrc PS1 debian_chroot not dynamic in xterm title

Status in bash package in Ubuntu:
  New

Bug description:
  https://git.launchpad.net/~iheino+ub/ubuntu/+source/bash/commit/?h=bugfix/1960366

  Expected:

  debian_chroot part of xterm title should update dynamically; with the
  following PS1 contents by default

  $ set | fgrep PS1 | head -1
  PS1='\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '

  Actual result without patch:

  debian_chroot part of xterm title got evaluated only during bash
  startup, as can be seen in PS1 contents

  $ set | fgrep PS1 | head -1
  PS1='\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '

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