Simon Oosthoek <s.oosthoek@xxxxxxxxx> writes:
> ... This is
> prevented (and quite the norm in static PS1 strings) by enclosing the
> terminal code for color inside \[ and \] so bash doesn't count these and
> what is in between them in the length of the prompt string.
Ah, OK, and these \[ things \] behave like other magics like \h and \W
in PS1 in that PS1='\h $(echo_bs_w)' will not work as expected with
echo_bs_w () {
printf "%s" "\\W"
}
hence cannot be used in __git_ps1 function that is called as $(command
substitution).
That was what I was missing.
> The only way to get the colors in without messing up normal functioning
> of the prompt is to use PROMPT_COMMAND to set PS1, with colors based
> dynamically on the state of the tree.
OK. Thanks for explanation.
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