logging functions and color variables

modules/colors.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+# Color variables for logging.
+
+RESET="\033[0m"
+GREEN="\033[1;32m"
+RED="\033[1;31m"

modules/functions.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# Common utility functions shared across multiple files.
+source colors.sh
+
+check_dependencies() {
+	return 0
+}
+
+log_info() {
+	local caller="${0##*/}"
+	echo -e "$caller: INFO: $*" >&2
+}
+
+log_notice() {
+	local caller="${0##*/}"
+	echo -e "$caller: ${GREEN}NOTICE: $*${RESET}" >&2
+}
+
+log_err() {
+	local caller="${0##*/}"
+	echo -e "$caller: ${RED}ERROR: $*${RESET}" >&2
+}