Renamed entrypoint scripts to allow for more

Dockerfiles/base/data/docker-entrypoint.d/100-base-libs.sh

@@ -0,0 +1,103 @@
+#!/usr/bin/env bash
+
+set -e
+set -u
+set -o pipefail
+
+
+############################################################
+# Functions
+############################################################
+
+###
+### Log to stdout/stderr
+###
+log() {
+	local type="${1}"     # ok, warn or err
+	local message="${2}"  # msg to print
+	local debug="${3}"    # 0: only warn and error, >0: ok and info
+
+	local clr_ok="\033[0;32m"
+	local clr_info="\033[0;34m"
+	local clr_warn="\033[0;33m"
+	local clr_err="\033[0;31m"
+	local clr_rst="\033[0m"
+
+	if [ "${type}" = "ok" ]; then
+		if [ "${debug}" -gt "0" ]; then
+			printf "${clr_ok}[OK]   %s${clr_rst}\n" "${message}"
+		fi
+	elif [ "${type}" = "info" ]; then
+		if [ "${debug}" -gt "0" ]; then
+			printf "${clr_info}[INFO] %s${clr_rst}\n" "${message}"
+		fi
+	elif [ "${type}" = "warn" ]; then
+		printf "${clr_warn}[WARN] %s${clr_rst}\n" "${message}" 1>&2	# stdout -> stderr
+	elif [ "${type}" = "err" ]; then
+		printf "${clr_err}[ERR]  %s${clr_rst}\n" "${message}" 1>&2	# stdout -> stderr
+	else
+		printf "${clr_err}[???]  %s${clr_rst}\n" "${message}" 1>&2	# stdout -> stderr
+	fi
+}
+
+
+###
+### Wrapper for run_run command
+###
+run() {
+	local cmd="${1}"      # command to execute
+	local debug="${2}"    # show commands if debug level > 1
+
+	local clr_red="\033[0;31m"
+	local clr_green="\033[0;32m"
+	local clr_reset="\033[0m"
+
+	if [ "${debug}" -gt "1" ]; then
+		printf "${clr_red}%s \$ ${clr_green}${cmd}${clr_reset}\n" "$( whoami )"
+	fi
+	/bin/sh -c "LANG=C LC_ALL=C ${cmd}"
+}
+
+
+###
+### Is argument a positive integer?
+###
+isint() {
+	test -n "${1##*[!0-9]*}"
+}
+
+
+###
+### Is env variable set?
+###
+env_set() {
+	printenv "${1}" >/dev/null 2>&1
+}
+
+
+###
+### Get env variable by name
+###
+env_get() {
+	local env_name="${1}"
+
+	# Did we have a default value specified?
+	if [ "${#}" -gt "1" ]; then
+		if ! env_set "${env_name}"; then
+			echo "${2}"
+			return 0
+		fi
+	fi
+	# Just output the env value
+	printenv "${1}"
+}
+
+
+############################################################
+# Sanity Checks
+############################################################
+
+if ! command -v printenv >/dev/null 2>&1; then
+	log "err" "printenv not found, but required." "1"
+	exit 1
+fi