Added MAINTENANCE flag (-m). If set, simulate WAIT-button in ISMAS

update_psa

@@ -5,6 +5,7 @@
 #                                UPDATE PSA
 # Usage:
 #   update_psa [ --? ]
+#              [ -m  ]
 #              [ --help ]
 #              [ --wdir "working_directory" ]
 #              [ --file "config_file" ]
@@ -23,9 +24,15 @@ if [ -z $IFS ]; then
     IFS=$'\n'
 fi
 
+MAINTENANCE="NO"
+
 # parse commandline parameters
 while test $# -gt 0; do
     case $1 in
+        --maintenance | -m )
+            shift
+            MAINTENANCE="YES"
+            ;;
         --file | --fil | --fi | --f | -file | -fil | -fi | -f )
             shift
             CONFIGFILENAME="$1"
@@ -47,6 +54,7 @@ while test $# -gt 0; do
             exit 0
             ;;
         --dbg | --db | --d | -dbg | -db | -d )
+            shift
             set_dbg_level $DEBUG
             ;; 
         -*)
@@ -71,14 +79,24 @@ if cd "$WORKING_DIRECTORY"; then
 	    then 
             check_sanity_of_repository
 
-            set_updates_available
-            while :
-            do
-                sleep 5
-                updates_available && break
-            done 
-
-            #update_psa "testing"
+            if [ "$MAINTENANCE" = "NO" ]; then
+                log_info "update_psa:${LINENO}: MAINTENANCE OFF. Checking for updates..."
+                # someone must have activated the WAIT-button in ISMAS. 
+                # Request the status of this button in updates_available().
+                if ! updates_available; then 
+                    update_psa_false_alarm "update requested, but no WAIT state detected !!!"
+                    log_fatal "update_psa:${LINENO}: update requested, but no WAIT state detected !!!"
+                fi
+            else
+                # simulate an activated WAIT-button
+                set_updates_available
+                while :
+                do
+                    sleep 5
+                    updates_available && break
+                done 
+            fi
+            # updates available
             update_psa
         fi
     fi