On Mar 15, 2016, at 11:23 AM, Andrey Repin <anrdae...@yandex.ru> wrote:
>
> PS1_TAIL="$(
> x="$"
> for group in $(id -G); do
> {
> test $group -eq 114 && { x="#"; break; }
> test $group -eq 544 && { x="#"; break; }
> test $group -eq 0 && { x="Please remove well-known SID overrides from your
> /etc/group file#"; break; }
> }
> done
> echo $x
> )"
> if [ "$color_prompt" = yes ]; then
>
> PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\007\]\n$PS1_TAIL
> '
> else
> PS1='\u@\h:\w\007\n$PS1_TAIL '
> fi
> unset color_prompt force_color_prompt
Here’s a simpler version that’s closer to the stock version in color and style,
with the quoting errors fixed:
PS1_COLOR=32
PS1_PCHAR='$'
for group in $(id -G); do
test $group -eq 114 && { PS1_PCHAR='#'; PS1_COLOR=31; break; }
test $group -eq 544 && { PS1_PCHAR='#'; PS1_COLOR=31; break; }
test $group -eq 0 && { PS1_PCHAR='!'; PS1_COLOR=41; break; }
done
PS1='\[\e]0;\w\a\]\n\[\e['$PS1_COLOR'm\]\u@\h '
PS1=$PS1'\[\e[33m\]\w\[\e[0m\]\n'$PS1_PCHAR' '
I’ve split the last line to avoid wrapping.
I’ve gone with the “check engine light” approach to error reporting for the
GID=0 case.
If someone wants to apply this to Cygwin’s stock /etc files, it needs to go in
/etc/bash.bashrc in Cygwin, not /etc/profile.
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