add logger level

script

@@ -3,7 +3,7 @@
 set -eu
 
 usage() {
-	printf "Usage: %s [-h]\n" "$0"
+	printf "Usage: %s [-l debug|info|error] [-h]\n" "$0"
 }
 
 help() {
@@ -18,6 +18,9 @@ help() {
  OPTIONS
 
     -h    Show this help
+
+	-l debug|info|error
+	      Debug level
 EOH
 }
 
@@ -28,17 +31,15 @@ on_interrupt() {
 }
 
 main() {
-	while getopts "hf:" option; do
+	while getopts "l:h" option; do
 		case "${option}" in
 			h) help; exit 0;;
-			f) FOO="$OPTARG";;
+			l) LOG_VERBOSE="$OPTARG";;
 			?) log -l error "$(usage)"; exit 1;;
 		esac
 	done
 
-	FOO="${FOO:-defaultValue}"
-
-	# log [-t] [-l debug|error] message
+	# log [-t] [-l debug|info|notice|warning|error] message
 
 	exit 0
 }
@@ -57,13 +58,27 @@ log() {
 
 	if [ -t 2 ] && [ -z "${NO_COLOR-}" ]; then
 		case "${LEVEL}" in
-			debug) COLOR="$(tput setaf 3)";;
-			error) COLOR="$(tput setaf 1)";;
-			*) COLOR="$(tput sgr0)"
+			debug) COLOR="$(tput setaf 3)"; LEVEL=100;;
+			notice) COLOR="$(tput setaf 4)"; LEVEL=250;;
+			warning) COLOR="$(tput setaf 5)"; LEVEL=300;;
+			error) COLOR="$(tput setaf 1)"; LEVEL=400;;
+			*) COLOR="$(tput sgr0)"; LEVEL=200;;
 		esac
 	fi
 
-	printf "%s%s%s\n" "${COLOR:-}" "${TIME:-}" "$*" >&2
+	LOG_VERBOSE="${LOG_VERBOSE:-info}"
+
+	case "${LOG_VERBOSE}" in
+		debug) LOG_VERBOSE_VALUE=100;;
+		notice) LOG_VERBOSE_VALUE=250;;
+		warning) LOG_VERBOSE_VALUE=300;;
+		error) LOG_VERBOSE_VALUE=400;;
+		*) LOG_VERBOSE_VALUE=200;;
+	esac
+
+	if [ $LEVEL -ge $LOG_VERBOSE_VALUE ]; then
+		printf "%s%s%s\n" "${COLOR:-}" "${TIME:-}" "$*" >&2
+	fi
 }
 
 trap on_interrupt INT