mirror: Add -n (dry-run) option to sync-mirrors script.

mirror/files/sync-mirrors

@@ -27,12 +27,13 @@ else
 fi
 
 VERBOSE=0
+NOOP=""
 EXTRA_OPTS=""
-while getopts "vhl" c ; do
+while getopts "vhln" c ; do
     case $c in
 	v)
 	    VERBOSE=1
-	    EXTRA_OPTS="-v --progress"
+	    EXTRA_OPTS="${EXTRA_OPTS} -v --progress"
 	    ;;
 	h)
 	    usage
@@ -45,6 +46,10 @@ while getopts "vhl" c ; do
 	    done
 	    exit 0
 	    ;;
+        n)
+            NOOP=" (DRY RUN)"
+            EXTRA_OPTS="${EXTRA_OPTS} -n"
+            ;;
     esac
 done
 
@@ -98,7 +103,7 @@ for mirror in ${SYNC} ; do
         echo "ERR: No SRC set for mirror ${mirror} ..." 1>&2
         exit 1
     fi
-    logmsg "Starting ${mirror} sync ..."
+    logmsg "Starting ${mirror} sync${NOOP}..."
     rsync -aH -4 ${EXTRA_OPTS} --numeric-ids --delete --delete-delay \
         --delay-updates --no-motd ${RSYNCOPTS} --log-file=${LOGFILE} \
         --exclude=.~tmp~/ ${SRC} /srv/mirrors/${mirror}/
@@ -106,7 +111,7 @@ for mirror in ${SYNC} ; do
     if [ ${STATUS} -ne 0 ]; then
         echo "WARN: Encountered errors on ${mirror} sync, see ${LOGFILE} for details" 1>&2
     fi
-    logmsg "Finished ${mirror} sync with exit status ${STATUS} ..."
+    logmsg "Finished ${mirror} sync with exit status ${STATUS}${NOOP} ..."
     if [ "${POSTCMD}" != "" ]; then
         logmsg "Running post for ${mirror} ..."
         ${POSTCMD} 2>&1 | awk \