Re: Buffer corruption when the terminal is resized.

[Paul Peet]

declare -- PS1="\\[\\e]0;\\u@\\h:
\\w\\a\\]\${debian_chroot:+(\$debian_chroot)}\\[\\033[01;32m\\]\\u@\\h\\[\\033[00m\\]:\\[\\033[01;34m\\]\\w\\[\\033[00m\\]\\\$
"


On Sat, Jun 10, 2017 at 6:47 PM, George <tetsujin@scope-eye.net> wrote:
> On Sat, 2017-06-10 at 11:20 -0500, Eduardo Bustamante wrote:
>
> On Sat, Jun 10, 2017 at 04:56:35PM +0200, Paul Peet wrote:
>
> I would like to report a bug with bash (readline?). This bug can be
> reproduced by opening gnome-terminal with bash running. By quickly
> horizontally resizing the terminal window you can see that the buffer
> seems to be corrupted as you see repeated or even removed lines or
> characters.
>
>
> What's the value of your PS1? (use: declare -p PS1)
>
> It's actually shown in his video link...  Looks like at the start of PS1 he
> has \[ and \] surrounding escape characters rather than the whole escape
> sequence:
>
> \[\e\]0;
>
> Rather than:
>
> \[\e0;\]
>
> Bash relies on \[ and \] to determine how much space is occupied by the
> prompt when it is to be redrawn, so in this case it thinks the prompt is 2
> columns wider than it actually is.