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# vim:ft=sh:noexpandtab
# Various echo functions

ECHO_VERBOSE=0

echo_info() {
	set +x
	[ $ECHO_VERBOSE -ge 0 ] || return
	echo -e "\e[1;34m$@\e[0m" >&2
	[ $ECHO_VERBOSE -lt 3 ] || set -x
}

echo_warn() {
	set +x
	[ $ECHO_VERBOSE -ge -1 ] || return
	echo -e "\e[1;33m$@\e[0m" >&2
	[ $ECHO_VERBOSE -lt 3 ] || set -x
}

echo_error() {
	set +x
	[ $ECHO_VERBOSE -ge -2 ] || return
	echo -e "\e[1;31m$@\e[0m" >&2
	[ $ECHO_VERBOSE -lt 3 ] || set -x
}

echo_die() {
	set +x
	if [ $ECHO_VERBOSE -ge -2 ]; then
		echo -e "\e[1;31m$@\e[0m" >&2
	fi
	[ $ECHO_VERBOSE -lt 3 ] || set -x
	# Suicide
	kill $$
}

echo_dbg() {
	set +x
	[ $ECHO_VERBOSE -ge 1 ] || return
	echo -e "\e[1;90m$@\e[0m" >&2
	[ $ECHO_VERBOSE -lt 3 ] || set -x
}

echo_trace() {
	set +x
	[ $ECHO_VERBOSE -ge 2 ] || return
	echo -e "\e[1;90m$@\e[0m" >&2
	[ $ECHO_VERBOSE -lt 3 ] || set -x
}

echo_verbose() {
	ECHO_VERBOSE=$(expr $ECHO_VERBOSE $1 $2)
	[ $ECHO_VERBOSE -ge 3 ] && set -x || set +x
}