Add possibility to check for urgent upgrade only

cluster/maco.check.update.sh

@@ -26,6 +26,9 @@ export OUTPUT_MESSAGE
 # If modifications should be applied
 [ -z "${SIMULATE_MODE}" ] && SIMULATE_MODE=1
 
+# If only urgent upgrade should be checked
+[ -z "${URGENT_ONLY_MODE}" ] && URGENT_ONLY_MODE=1
+
 ## Colors
 readonly PURPLE='\033[1;35m'
 readonly RED='\033[0;31m'
@@ -42,7 +45,7 @@ readonly MACO_TMP_URGENT_FILE="/tmp/.maco.urgent.upgrade"
 usage() {                                                       # {{{
 
 	cat <<- EOF
-usage: $PROGNAME [-d|-h|-s|-q]
+usage: $PROGNAME [-d|-h|-q|-s|-u]
 
 Compare current version of Maco script with the latest and
  the urgent versions then try to prepare the host by:
@@ -52,6 +55,9 @@ EXAMPLES:
     - Verify Maco's upgrade and prepare the current host
         ${PROGNAME}
 
+    - Verify only urgent upgrade for Maco and prepare the current host
+        ${PROGNAME} --urgent
+
 OPTIONS :
     -d,--debug
         Enable debug messages.
@@ -59,11 +65,14 @@ OPTIONS :
     -h,--help
         Print this help message.
 
+    -q,--quiet
+        Disable messages on standard output (except for error).
+
     -s,--simulate
         Only display messages and don't manage temp files.
 
-    -q,--quiet
-        Disable messages on standard output (except for error).
+    -u,--urgent
+        Check only for urgent upgrade.
 EOF
 
 
@@ -242,13 +251,28 @@ main() {                                                        # {{{
 	is_maco_uptodate \
 		&& exit 0
 
-	is_maco_upgrade_require \
-		&& prepare_host_for_upgrade \
-		&& exit 0
-
+	## If URGENT_ONLY_MODE is set
+	if [ "${URGENT_ONLY_MODE}" -eq "0"  ]; then
+		### Check only for urgent upgrade {{{
 		is_maco_urgent_upgrade_require \
 			&& prepare_host_for_upgrade \
 			&& exit 0
+		### }}}
+
+	else
+		### Check for latest upgrade {{{
+		is_maco_upgrade_require \
+			&& prepare_host_for_upgrade \
+			&& exit 0
+		### }}}
+
+		### Check for urgent upgrade {{{
+		is_maco_urgent_upgrade_require \
+			&& prepare_host_for_upgrade \
+			&& exit 0
+		### }}}
+
+	fi
 
 }
 # }}}
@@ -281,6 +305,10 @@ if [ ! "${NBARGS}" -eq "0" ]; then
 			## Only display messages
 			SIMULATE_MODE=0
 			;;
+		-u|--urgent )   ## Urgent upgrade only
+			## Check only for urgent upgrade
+			URGENT_ONLY_MODE=0
+			;;
 		-- )            ## End of options list
 			## End the while loop
 			break