[bug#58345] [PATCH 3/3] guix-install.sh: Add Bash prompt customization option.

[zimoun]

Hi Maxim,

On ven., 07 oct. 2022 at 01:32, Maxim Cournoyer <maxim.cournoyer@gmail.com> 
wrote:
> * etc/guix-install.sh (sys_customize_bashrc): New function.
> (main): Use it.

Nice idea!

> +sys_customize_bashrc()
> +{
> +    prompt_yes_no "Customize users Bash shell prompt for Guix?" || return
> +    for bashrc in /home/*/.bashrc /root/.bashrc; do
> +        test -f "$bashrc" || continue
> +        grep -Fq '$GUIX_ENVIRONMENT' "$bashrc" && continue
> +        cp "${bashrc}" "${bashrc}.bak"
> +        echo '

Maybe comment, something like:

# Automatically added by Guix install script
> +if [ -n "$GUIX_ENVIRONMENT" ]; then
> +    if [[ $PS1 =~ (.*)"\\$" ]]; then
> +        PS1="${BASH_REMATCH[1]} [env]\\\$ "
> +    fi
> +fi
> +' >> "$bashrc"
> +    done
> +    _msg "${PAS}Bash shell prompt successfully customized for Guix"
> +}

LGTM!


Cheers,
simon