Add --hostname option

cluster/sge.enable.host.queue.sh

@@ -31,7 +31,7 @@ readonly COLOR_DEBUG="${PURPLE}"
 usage() {                                                       # {{{
 
 	cat <<- EOF
-usage: $PROGNAME [--help|-d,--debug|-q,--quiet] [hostname]
+usage: $PROGNAME [--help] [-d|-h|-q] [hostname]
 
 Try to enable all SGE queues of the current host (default),
 if no pending upgrades (Maco, APT) are present,
@@ -43,13 +43,17 @@ EXAMPLES :
 
     - Enable SGE's queue(s) of "marvin.domain.tld" host
         ${PROGNAME} marvin.domain.tld
+        ${PROGNAME} -h marvin.domain.tld
 
 OPTIONS :
+    -d,--debug
+        Enable debug messages.
+
     --help
         Print this help message.
 
-    -d,--debug
-        Enable debug messages.
+    -h,--host,--hostname SGE_HOST_TO_MANAGE
+        Manage SGE's queue(s) of "SGE_HOST_TO_MANAGE" host.
 
     -q,--quiet
         Disable messages on standard output (except for error).
@@ -309,7 +313,7 @@ if [ ! "${NBARGS}" -eq "0" ]; then
 		## No way to monitor pending upgrades on a remote host
 		CHECK_UPGRADE="1"
 
-		## Switch to next arg
+		## Switch to the next argument
 		shift
 		manage_arg=$((manage_arg+1))
 	else
@@ -321,23 +325,29 @@ if [ ! "${NBARGS}" -eq "0" ]; then
 	while printf -- '%s' "${1}" | grep -q -E -- "^-*"; do
 
 	case "${1}" in
-		--help )        ## help
+		-d|--debug )           ## debug
+			DEBUG=0
+			;;
+		--help )               ## help
 			usage
 			## Exit after help informations
 			exit 0
 			;;
-		-d|--debug )    ## debug
-			DEBUG=0
+		-h|--host|--hostname ) ## Specify a different host to manage
+			## Move to the next argument
+			shift
+			## Override previous definition of sge_hostname
+			sge_hostname="${1}"
 			;;
-		-q|--quiet )    ## Silent mode
+		-q|--quiet )           ## Silent mode
 			## Avoid to display any message on standard output
 			OUTPUT_MESSAGE=1
 			;;
-		-- )            ## End of options list
+		-- )                   ## End of options list
 			## End the while loop
 			break
 			;;
-		* )             ## unknow option
+		* )                    ## unknow option
 			printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
 			printf '%b\n' "---"
 			usage
@@ -348,7 +358,7 @@ if [ ! "${NBARGS}" -eq "0" ]; then
 	debug_message "Arguments management − \
 ${RED}${1}${COLOR_DEBUG} option managed."
 
-	## Next arg
+	## Move to the next argument
 	shift
 	manage_arg=$((manage_arg+1))