segfault/provision/system/funcs

#! /usr/bin/env bash

# shellcheck disable=SC2034 # unused variable warning for ansi colors

CY="\033[1;33m" # yellow
CG="\033[1;32m" # green
CR="\033[1;31m" # red
CC="\033[1;36m" # cyan
CM="\033[1;35m" # magenta
CW="\033[1;37m" # magenta
CF="\033[2m"    # faint
CN="\033[0m"    # none

CBG="\033[42;1m" # Background Green

# night-mode
CDY="\033[0;33m" # yellow
CDG="\033[0;32m" # green
CDR="\033[0;31m" # red
CDC="\033[0;36m" # cyan
CDM="\033[0;35m" # magenta

# Clear from cursor to end of line
CL="\033[0K"

if [[ -z $SF_DEBUG ]]; then
	DEBUGF(){ :;}
	DEBUGF_R(){ :;}
else
	DEBUGF(){ echo -e "${CY}DEBUG:${CN} $*";}
	DEBUGF_R(){ echo -e "${CY}DEBUG:${CN} ${CR}$*${CN}";}
fi

ERREXIT()
{
	local code
	code="$1"
	[[ $? -ne 0 ]] && code="$?"
	[[ -z $code ]] && code=99

	shift 1
	[[ -n $1 ]] && echo -e >&2 "${CR}ERROR:${CN} $*"

	exit "$code"
}

WARN()
{
	local code
	code="$1"
	[[ -z $code ]] && code=255

	shift 1
	echo -e >&2 "${CY}WARNING(${code}):${CN} $*"
}

INFO()
{
	echo -e >&2 "--> ${CM}$*${CN}"
}


NEED_ROOT()
{
	[[ "$(id -u)" -ne 0 ]] && ERREXIT 255 "Error: Run this scrpt as root"
}

IS_APT_INSTALLED()
{
	[[ "$(apt -qq list "$*" 2>/dev/null)" = *"[installed]" ]] && return 0 || return 1
}