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From: juef <juef@juef.net>
To: ~alpine/users@lists.alpinelinux.org
Subject: Re: ash and su/su -
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(Wed, 29 May 20:23) Tobias Leupold:
>     if [[ "$(whoami)" == "root" ]]; then
>         PS1="\[\033]0;\u@\h:\W\007\]\[\033[01;31m\]\h\[\033[01;34m\] \W #\
> [\033[00m\] "
>     else
>         PS1="\[\033[01;32m\]\u@\h\[\033[01;34m\] \W \$\[\033[00m\] "
>     fi

Nitpicking ;)
both `=` and `==` are equal but
https://git.busybox.net/busybox/tree/coreutils/test.c?id=5353df91cba7b397b9407701681708d0a1518df6#n333

	{ /* "="  */ STREQ   , BINOP  },
	/* "==" is bashism, http://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html
	 * lists only "=" as comparison operator.
	 */
	{ /* "==" */ STREQ   , BINOP  },