#!/bin/bash

echo() { printf '%s\n' "$*"; }
msg() { printf '%s\n' "$*"; }
err() { printf '%s\n' "$*" >&2; }

set_title() { printf '\033]0;%s\007' "$1"; }

trap_error() { err "The command has returned a non-zero exit code ($?)."; }

x() { exec xinit -- -nolisten tcp vt9; }

is_coreutils() {
	declare out
	out=$( df --version 2>/dev/null )

	(( $? )) && {
		err 'df --version exited with an error. This is not GNU coreutils'
		return 3
	}

	[[ "$out" =~ 'GNU coreutils' ]] || {
		err 'Version output does not contain "GNU coreutils". This is not GNU coreutils.'
		return 1
	}
}

fuck() { sudo $(history -p \!\!); }

err() { printf '%s\n' "$*"; }

is_function() {
	[[ $(type -t "$1") == 'function' ]]
}

if is_coreutils; then
	ls() { $(type -P ls) -l -hb --group-directories-first --color=auto "$@"; }
	mv() { $(type -P mv) -v "$@"; }
	cp() { $(type -P cp) -v "$@"; }
	rm() { $(type -P rm) -v "$@"; }
fi